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全部资讯   / 乐信Java开发工程师笔试题

乐信Java开发工程师笔试题

2021-12-25 11:20:36

<div class="WordSection1"> <p class="MsoNormal" style="margin-top:2.9pt;text-indent:24.65pt;line-height: 19.25pt;mso-line-height-rule:exactly"><b><span lang="EN-US" style="font-size: 11.0pt;mso-fareast-font-family:Arial;color:#393939;position:relative; top:-5.0pt;mso-text-raise:5.0pt;letter-spacing:.15pt">1</span></b><b><span lang="EN-US" style="font-size:11.0pt;mso-fareast-font-family:Arial;color:#393939; position:relative;top:-5.0pt;mso-text-raise:5.0pt;letter-spacing:.05pt">.</span></b><span style="font-size:11.0pt;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family: 微软雅黑;color:#393939;position:relative;top:-5.0pt;mso-text-raise:5.0pt; letter-spacing:.3pt">画出项⽬的架构</span><span style="font-size:11.0pt;font-family: &quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑;color:#393939;position:relative; top:-5.0pt;mso-text-raise:5.0pt;letter-spacing:.25pt">图</span><span lang="EN-US" style="font-size:11.0pt;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family: 微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="text-indent:24.7pt;line-height:87%"><b><span lang="EN-US" style="font-size:11.0pt;line-height:87%;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.15pt">2</span></b><b><span lang="EN-US" style="font-size:11.0pt;line-height:87%;mso-fareast-font-family:Arial; color:#393939;letter-spacing:.1pt">.</span></b><span style="font-size:11.0pt; line-height:87%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.2pt">所处⾃⼰负责的业务模块</span><span style="font-size: 11.0pt;line-height:87%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.25pt">,</span><span style="font-size:11.0pt; line-height:87%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.2pt">其中⽤到了哪些技术点?</span><span lang="EN-US" style="font-size:11.0pt;line-height:87%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:2.6pt;text-indent:24.65pt;line-height: 87%"><b><span lang="EN-US" style="font-size:11.0pt;line-height:87%;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.1pt">3.</span></b><span style="font-size: 11.0pt;line-height:87%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.1pt">如何实现最终⼀致</span><span style="font-size:11.0pt; line-height:87%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.05pt">性分布式事务?</span><span lang="EN-US" style="font-size:11.0pt;line-height:87%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:2.6pt;text-indent:47.65pt;line-height: 87%"><span lang="EN-US" style="font-size:11.0pt;line-height:87%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#393939">1.<span style="letter-spacing: -.05pt"> </span></span><span style="font-size:11.0pt;line-height:87%; font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑;color:#393939">⼆阶段提交<span style="letter-spacing:-.7pt">:</span></span><span lang="EN-US" style="font-size: 11.0pt;line-height:87%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:1.7pt;margin-right:26.35pt;margin-bottom: 0cm;margin-left:69.4pt;margin-bottom:.0001pt;text-indent:-.2pt;line-height: 97%"><span lang="EN-US" style="font-size:11.0pt;line-height:97%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#393939;letter-spacing:.3pt">a</span><span lang="EN-US" style="font-size:11.0pt;line-height:97%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#393939;letter-spacing:.15pt">.</span><span lang="EN-US" style="font-size:11.0pt;line-height:97%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#393939;letter-spacing:.2pt"> </span><span style="font-size:11.0pt;line-height:97%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.4pt">概念</span><span style="font-size:11.0pt;line-height:97%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.5pt">:</span><span style="font-size:11.0pt;line-height:97%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.4pt">参与者将操作成败通知协调者</span><span style="font-size:11.0pt;line-height:97%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.5pt">,</span><span style="font-size:11.0pt;line-height:97%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.4pt">再由协调者根据所有参与者的</span><span style="font-size:11.0pt;line-height:97%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939"> <span style="letter-spacing:.35pt">反馈情报决定各参与者是否要提交操作还是中</span><span style="letter-spacing:.3pt">⽌操作</span><span style="letter-spacing:.4pt">。</span></span><span lang="EN-US" style="font-size:11.0pt;line-height:97%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:1.75pt;margin-right:26.65pt;margin-bottom: 0cm;margin-left:69.8pt;margin-bottom:.0001pt;text-indent:-.2pt;line-height: 97%"><span lang="EN-US" style="font-size:11.0pt;line-height:97%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#393939;letter-spacing:.2pt">b</span><span lang="EN-US" style="font-size:11.0pt;line-height:97%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#393939;letter-spacing:.15pt">. </span><span style="font-size:11.0pt;line-height:97%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.4pt">作⽤:主要保证了分布式事务的原</span><span style="font-size:11.0pt;line-height:97%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.35pt">⼦性</span><span style="font-size:11.0pt;line-height:97%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.4pt">;</span><span style="font-size:11.0pt;line-height:97%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.35pt">第⼀阶段为准备阶段</span><span style="font-size:11.0pt;line-height:97%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.4pt">,</span><span style="font-size:11.0pt;line-height:97%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.35pt">第⼆</span><span style="font-size:11.0pt;line-height:97%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939"> <span style="letter-spacing:.05pt">阶段为提</span>交阶段<span style="letter-spacing:.05pt">;</span></span><span lang="EN-US" style="font-size: 11.0pt;line-height:97%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:6.95pt;text-indent:24.0pt;line-height: 190.65pt;mso-line-height-rule:exactly;vertical-align:middle"><span lang="EN-US"><!--[if gte vml 1]><v:shapetype id="_x0000_t75" coordsize="21600,21600" o:spt="75" o:preferrelative="t" path="m@4@5l@4@11@9@11@9@5xe" filled="f" stroked="f"> <v:stroke joinstyle="miter"/> <v:formulas> <v:f eqn="if lineDrawn pixelLineWidth 0"/> <v:f eqn="sum @0 1 0"/> <v:f eqn="sum 0 0 @1"/> <v:f eqn="prod @2 1 2"/> <v:f eqn="prod @3 21600 pixelWidth"/> <v:f eqn="prod @3 21600 pixelHeight"/> <v:f eqn="sum @0 0 1"/> <v:f eqn="prod @6 1 2"/> <v:f eqn="prod @7 21600 pixelWidth"/> <v:f eqn="sum @8 21600 0"/> <v:f eqn="prod @7 21600 pixelHeight"/> <v:f eqn="sum @10 21600 0"/> </v:formulas> <v:path o:extrusionok="f" gradientshapeok="t" o:connecttype="rect"/> <o:lock v:ext="edit" aspectratio="t"/> </v:shapetype><v:shape id="IM_x0020_2" o:spid="_x0000_i1034" type="#_x0000_t75" style='width:304.8pt;height:190.8pt;visibility:visible;mso-wrap-style:square'> <v:imagedata src="file:///C:\Users\SEEHOP~1\AppData\Local\Temp\msohtmlclip1\01\clip_image001.jpg" o:title=""/> </v:shape><![endif]--><!--[if !vml]--><img width="406" height="254" src="file:///C:/Users/SEEHOP~1/AppData/Local/Temp/msohtmlclip1/01/clip_image001.jpg" v:shapes="IM_x0020_2"><!--[endif]--><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:9.15pt;margin-right:27.05pt;margin-bottom: 0cm;margin-left:69.3pt;margin-bottom:.0001pt;text-indent:-.1pt;line-height: 97%"><span lang="EN-US" style="font-size:11.0pt;line-height:97%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#393939;letter-spacing:.1pt">c. </span><span style="font-size:11.0pt;line-height:97%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.2pt">缺点</span><span style="font-size:11.0pt;line-height:97%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.25pt">:</span><span lang="EN-US" style="font-size:11.0pt;line-height:97%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939">&nbsp; </span><u><span style="font-size:11.0pt;line-height:97%;font-family: &quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑;color:#DF402A;letter-spacing:.2pt">不仅要锁住参与者的所有资源</span></u><u><span style="font-size:11.0pt;line-height:97%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#DF402A;letter-spacing:.25pt">,</span></u><u><span style="font-size:11.0pt;line-height:97%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#DF402A;letter-spacing:.2pt">⽽且要锁住协调者资</span></u><u><span style="font-size:11.0pt;line-height:97%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#DF402A;letter-spacing:.15pt">源</span></u><u><span style="font-size:11.0pt;line-height:97%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#DF402A;letter-spacing:.25pt">,</span></u><u><span style="font-size:11.0pt;line-height:97%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#DF402A;letter-spacing:.15pt">开销</span></u><span style="font-size:11.0pt;line-height:97%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#DF402A"> <u>⼤<span style="letter-spacing:-.05pt"> </span>&nbsp;</u></span><u><span style="font-size:11.0pt;line-height:97%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:-.85pt">。</span></u><u><span style="font-size:11.0pt;line-height:97%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939">⼀句话总结就是<span style="letter-spacing: -.85pt">:</span><span lang="EN-US" style="letter-spacing:-3.25pt">&nbsp; </span></span></u><u><span lang="EN-US" style="font-size:11.0pt;line-height:97%;mso-fareast-font-family:Arial; color:#393939">2PC</span></u><u><span style="font-size:11.0pt;line-height:97%; font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑;color:#393939">效率很低<span style="letter-spacing:-.85pt">,</span>对⾼并发很不友好<span style="letter-spacing:-.85pt">。</span><span lang="EN-US">&nbsp; </span></span></u><span lang="EN-US" style="font-size:11.0pt;line-height:97%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:2.65pt;text-indent:47.05pt;line-height: 87%"><span lang="EN-US" style="font-size:11.0pt;line-height:87%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#393939">2. </span><span style="font-size: 11.0pt;line-height:87%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939">三阶段提交<span style="letter-spacing:-.1pt">:</span></span><span lang="EN-US" style="font-size:11.0pt;line-height:87%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:1.85pt;margin-right:26.35pt;margin-bottom: 0cm;margin-left:69.3pt;margin-bottom:.0001pt;text-indent:-.1pt;line-height: 107%"><span lang="EN-US" style="font-size:11.0pt;line-height:107%;font-family: &quot;Tahoma&quot;,sans-serif;mso-fareast-font-family:Tahoma;color:#393939;letter-spacing: .15pt">a</span><span lang="EN-US" style="font-size:11.0pt;line-height:107%; font-family:&quot;Tahoma&quot;,sans-serif;mso-fareast-font-family:Tahoma;color:#393939; letter-spacing:.1pt">. </span><span style="font-size:11.0pt;line-height:107%; font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑;color:#393939; letter-spacing:.2pt">概念</span><span style="font-size:11.0pt;line-height:107%; font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑;color:#393939; letter-spacing:.25pt">:</span><span lang="EN-US" style="font-size:11.0pt; line-height:107%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939">&nbsp; </span><u><span style="font-size:11.0pt;line-height:107%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.2pt">三阶段提交协议在协调者和参与者中都引⼊超时机制</span></u><u><span style="font-size:11.0pt;line-height:107%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.25pt">,</span></u><u><span style="font-size:11.0pt;line-height:107%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.2pt">并</span></u><u><span style="font-size:11.0pt;line-height:107%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.15pt">且把</span></u><span style="font-size:11.0pt;line-height:107%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939"> <u><span style="letter-spacing:.45pt">两阶段提交</span><span style="letter-spacing:.4pt">协议的第⼀个阶段拆分成了两步</span><span style="letter-spacing: .5pt">:</span><span style="letter-spacing:.4pt">询问</span><span style="letter-spacing:.5pt">,</span><span style="letter-spacing:.4pt">然后再锁资源</span><span style="letter-spacing:.5pt">,</span><span style="letter-spacing:.4pt">最</span></u> <u>后真正提交</u> 。这样三阶段提交就有</span><u><span lang="EN-US" style="font-size:11.0pt; line-height:107%;mso-fareast-font-family:Arial;color:#393939">CanCommit </span></u><u><span style="font-size:11.0pt;line-height:107%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939">、<span lang="EN-US" style="letter-spacing: -1.85pt">&nbsp; </span></span></u><u><span lang="EN-US" style="font-size:11.0pt;line-height:107%;mso-fareast-font-family: Arial;color:#393939">PreCommit </span></u><u><span style="font-size:11.0pt; line-height:107%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939">、</span></u><span lang="EN-US" style="font-size:11.0pt;line-height: 107%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑;color:#393939">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span><u><span lang="EN-US" style="font-size:11.0pt;line-height:107%;mso-fareast-font-family:Arial; color:#393939;letter-spacing:.25pt">D</span></u><u><span lang="EN-US" style="font-size:11.0pt;line-height:107%;mso-fareast-font-family:Arial; color:#393939;letter-spacing:.2pt">o</span></u><u><span lang="EN-US" style="font-size:11.0pt;line-height:107%;mso-fareast-font-family:Arial; color:#393939;letter-spacing:.25pt">C</span></u><u><span lang="EN-US" style="font-size:11.0pt;line-height:107%;mso-fareast-font-family:Arial; color:#393939;letter-spacing:.2pt">o</span></u><u><span lang="EN-US" style="font-size:11.0pt;line-height:107%;mso-fareast-font-family:Arial; color:#393939;letter-spacing:.25pt">mm</span></u><u><span lang="EN-US" style="font-size:11.0pt;line-height:107%;mso-fareast-font-family:Arial; color:#393939;letter-spacing:.1pt">i</span></u><u><span lang="EN-US" style="font-size:11.0pt;line-height:107%;mso-fareast-font-family:Arial; color:#393939;letter-spacing:.05pt">t</span></u><span style="font-size:11.0pt; line-height:107%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.25pt">三个阶段</span><span style="font-size:11.0pt; line-height:107%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.35pt">。</span><span lang="EN-US" style="font-size: 11.0pt;line-height:107%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family: 微软雅黑"><o:p></o:p></span></p> </div><p> <span lang="EN-US" style="font-size:10.5pt;font-family:&quot;Arial&quot;,sans-serif; mso-fareast-font-family:宋体;mso-fareast-theme-font:minor-fareast;mso-ansi-language: EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA;mso-no-proof:yes"><br clear="all" style="page-break-before:always;mso-break-type:section-break"> </span> </p><div class="WordSection2"> <p class="MsoNormal" style="line-height:105%"><span lang="EN-US">&nbsp;</span></p> <p class="MsoNormal" style="line-height:106%"><span lang="EN-US">&nbsp;</span></p> <p class="MsoNormal" style="text-indent:24.0pt;line-height:349.25pt;mso-line-height-rule: exactly;vertical-align:middle"><span lang="EN-US"><!--[if gte vml 1]><v:shape id="IM_x0020_3" o:spid="_x0000_i1033" type="#_x0000_t75" style='width:403.2pt; height:349.2pt;visibility:visible;mso-wrap-style:square'> <v:imagedata src="file:///C:\Users\SEEHOP~1\AppData\Local\Temp\msohtmlclip1\01\clip_image002.jpg" o:title=""/> </v:shape><![endif]--><!--[if !vml]--><img width="538" height="466" src="file:///C:/Users/SEEHOP~1/AppData/Local/Temp/msohtmlclip1/01/clip_image002.jpg" v:shapes="IM_x0020_3"><!--[endif]--><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:8.75pt;text-indent:69.6pt;line-height: 100%"><span lang="EN-US" style="font-size:11.0pt;line-height:100%;font-family: &quot;Tahoma&quot;,sans-serif;mso-fareast-font-family:Tahoma;color:#393939;letter-spacing: .1pt">b. </span><span style="font-size:11.0pt;line-height:100%;font-family: &quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.1pt">缺点</span><span style="font-size:11.0pt;line-height:100%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.15pt">:</span><span lang="EN-US" style="font-size:11.0pt;line-height:100%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939">&nbsp; </span><u><span style="font-size:11.0pt;line-height:100%;font-family: &quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.05pt">如果进⼊</span></u><u><span lang="EN-US" style="font-size:11.0pt;line-height:100%;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.05pt">PreCommit</span></u><u><span style="font-size:11.0pt;line-height:100%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.05pt">后</span></u><u><span style="font-size:11.0pt;line-height:100%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.15pt">,</span></u><u><span lang="EN-US" style="font-size:11.0pt;line-height:100%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939">&nbsp; </span></u><u><span lang="EN-US" style="font-size:11.0pt;line-height:100%; mso-fareast-font-family:Arial;color:#393939;letter-spacing:.05pt">Coordinator</span></u><u><span style="font-size:11.0pt;line-height:100%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.05pt">发出的是</span></u><u><span lang="EN-US" style="font-size:11.0pt;line-height:100%;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.05pt">abort</span></u><u><span style="font-size:11.0pt;line-height:100%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.05pt">请求</span></u><u><span style="font-size:11.0pt;line-height:100%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.15pt">,</span></u><u><span style="font-size:11.0pt;line-height:100%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.05pt">假</span></u><span lang="EN-US" style="font-size:11.0pt;line-height:100%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:.35pt;margin-right:32.25pt;margin-bottom: 0cm;margin-left:24.45pt;margin-bottom:.0001pt;text-indent:44.9pt;line-height: 104%"><u><span style="font-size:11.0pt;line-height:104%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.25pt">设只有⼀个</span></u><u><span lang="EN-US" style="font-size:11.0pt;line-height:104%;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.2pt">C</span></u><u><span lang="EN-US" style="font-size:11.0pt;line-height:104%;mso-fareast-font-family:Arial; color:#393939;letter-spacing:.15pt">oho</span></u><u><span lang="EN-US" style="font-size:11.0pt;line-height:104%;mso-fareast-font-family:Arial; color:#393939;letter-spacing:.1pt">rt</span></u><u><span style="font-size:11.0pt; line-height:104%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.25pt">收到并进⾏了</span></u><u><span lang="EN-US" style="font-size:11.0pt;line-height:104%;mso-fareast-font-family:Arial; color:#393939;letter-spacing:.1pt">abo</span></u><u><span lang="EN-US" style="font-size:11.0pt;line-height:104%;mso-fareast-font-family:Arial; color:#393939;letter-spacing:.05pt">rt</span></u><u><span style="font-size: 11.0pt;line-height:104%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family: 微软雅黑;color:#393939;letter-spacing:.2pt">操作</span></u><u><span style="font-size: 11.0pt;line-height:104%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family: 微软雅黑;color:#393939;letter-spacing:.3pt">,</span></u><u><span lang="EN-US" style="font-size:11.0pt;line-height:104%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939">&nbsp; </span></u><span lang="EN-US" style="font-size:11.0pt;line-height:104%; font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑;color:#393939">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><u><span style="font-size:11.0pt;line-height:104%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.5pt">⽽其他对于系统状态未知</span></u><u><span style="font-size:11.0pt;line-height:104%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.45pt">的</span></u><u><span lang="EN-US" style="font-size:11.0pt;line-height:104%;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.3pt">C</span></u><u><span lang="EN-US" style="font-size:11.0pt;line-height:104%;mso-fareast-font-family:Arial; color:#393939;letter-spacing:.25pt">oho</span></u><u><span lang="EN-US" style="font-size:11.0pt;line-height:104%;mso-fareast-font-family:Arial; color:#393939;letter-spacing:.15pt">r</span></u><u><span lang="EN-US" style="font-size:11.0pt;line-height:104%;mso-fareast-font-family:Arial; color:#393939;letter-spacing:.1pt">t</span></u><u><span style="font-size:11.0pt; line-height:104%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.45pt">会根据</span></u><u><span lang="EN-US" style="font-size:11.0pt;line-height:104%;mso-fareast-font-family:Arial; color:#393939;letter-spacing:.25pt">3</span></u><u><span lang="EN-US" style="font-size:11.0pt;line-height:104%;mso-fareast-font-family:Arial; color:#393939;letter-spacing:.3pt">PC</span></u><u><span style="font-size:11.0pt; line-height:104%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.45pt">选择继续</span></u><u><span lang="EN-US" style="font-size:11.0pt;line-height:104%;mso-fareast-font-family:Arial; color:#393939;letter-spacing:.3pt">C</span></u><u><span lang="EN-US" style="font-size:11.0pt;line-height:104%;mso-fareast-font-family:Arial; color:#393939;letter-spacing:.25pt">o</span></u><u><span lang="EN-US" style="font-size:11.0pt;line-height:104%;mso-fareast-font-family:Arial; color:#393939;letter-spacing:.35pt">mm</span></u><u><span lang="EN-US" style="font-size:11.0pt;line-height:104%;mso-fareast-font-family:Arial; color:#393939;letter-spacing:.1pt">it</span></u><u><span style="font-size:11.0pt; line-height:104%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.5pt">,</span></u><u><span style="font-size:11.0pt; line-height:104%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.45pt">此时系统状态</span></u><span style="font-size: 11.0pt;line-height:104%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family: 微软雅黑;color:#393939"> <u>发⽣不⼀致性<span style="letter-spacing:-4.6pt">。</span><span lang="EN-US">&nbsp; </span></u></span><span lang="EN-US" style="font-size:11.0pt;line-height:104%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:.05pt;text-indent:46.95pt;line-height: 87%"><span lang="EN-US" style="font-size:11.0pt;line-height:87%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#393939">3.<span style="letter-spacing: -.05pt"> </span></span><span style="font-size:11.0pt;line-height:87%; font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑;color:#393939">柔性事务<span style="letter-spacing:-.35pt">:</span></span><span lang="EN-US" style="font-size: 11.0pt;line-height:87%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:2.45pt;margin-right:24.25pt;margin-bottom: 0cm;margin-left:69.25pt;margin-bottom:.0001pt;text-indent:-.05pt;line-height: 106%"><span lang="EN-US" style="font-size:12.0pt;line-height:106%;font-family: &quot;Tahoma&quot;,sans-serif;mso-fareast-font-family:Tahoma;color:#333333;letter-spacing: .1pt">a. </span><span style="font-size:12.0pt;line-height:106%;font-family: &quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑;color:#333333;letter-spacing:.1pt">概念:</span><span lang="EN-US" style="font-size:12.0pt;line-height:106%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#333333">&nbsp; </span><span style="font-size:11.0pt;line-height:106%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.1pt">所谓柔性事务</span><span style="font-size:11.0pt;line-height:106%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.05pt">是相对强制锁表的刚性事务⽽⾔</span><span style="font-size:11.0pt;line-height:106%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.1pt">。</span><span style="font-size:11.0pt;line-height:106%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.05pt">流程⼊下</span><span style="font-size:11.0pt;line-height:106%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.1pt">:</span><span lang="EN-US" style="font-size:11.0pt;line-height:106%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939">&nbsp;&nbsp;&nbsp; </span><u><span style="font-size:11.0pt;line-height:106%;font-family: &quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.4pt">服务器</span></u><u><span lang="EN-US" style="font-size:11.0pt;line-height:106%;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.3pt">A</span></u><u><span style="font-size: 11.0pt;line-height:106%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family: 微软雅黑;color:#393939;letter-spacing:.4pt">的事务如果执⾏顺利</span></u><u><span style="font-size:11.0pt;line-height:106%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.45pt">,</span></u><u><span style="font-size:11.0pt;line-height:106%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.4pt">那么事务</span></u><u><span lang="EN-US" style="font-size:11.0pt;line-height:106%;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.3pt">A</span></u><u><span style="font-size: 11.0pt;line-height:106%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family: 微软雅黑;color:#393939;letter-spacing:.4pt">就先⾏提</span></u><u><span style="font-size:11.0pt;line-height:106%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.35pt">交</span></u><u><span style="font-size:11.0pt;line-height:106%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.45pt">,</span></u><u><span style="font-size:11.0pt;line-height:106%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.35pt">如果事务</span></u><u><span lang="EN-US" style="font-size:11.0pt;line-height:106%;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.25pt">B</span></u><u><span style="font-size:11.0pt;line-height:106%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.35pt">也执</span></u><span style="font-size:11.0pt;line-height:106%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939"> <u><span style="letter-spacing:.3pt">⾏顺利,则事务</span><span style="letter-spacing:.1pt"> </span></u></span><u><span lang="EN-US" style="font-size:11.0pt;line-height:106%;mso-fareast-font-family:Arial; color:#393939;letter-spacing:.2pt">B</span></u><u><span style="font-size:11.0pt; line-height:106%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.3pt">也提交,整个事务就算完</span></u><u><span style="font-size:11.0pt;line-height:106%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.25pt">成</span></u><u><span style="font-size:11.0pt;line-height:106%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.3pt">。</span></u><u><span style="font-size:11.0pt;line-height:106%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.25pt">但是如果事务</span></u><u><span lang="EN-US" style="font-size:11.0pt;line-height:106%;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.15pt">B</span></u><u><span style="font-size:11.0pt;line-height:106%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.25pt">执⾏失</span></u><span lang="EN-US" style="font-size:11.0pt;line-height:106%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939">&nbsp;&nbsp; </span><u><span style="font-size:11.0pt;line-height:106%;font-family: &quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.4pt">败</span></u><u><span style="font-size:11.0pt;line-height:106%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.45pt">,</span></u><u><span style="font-size:11.0pt;line-height:106%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.4pt">事务</span></u><u><span lang="EN-US" style="font-size:11.0pt;line-height:106%;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.3pt">B</span></u><u><span style="font-size: 11.0pt;line-height:106%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family: 微软雅黑;color:#393939;letter-spacing:.4pt">本身回滚</span></u><u><span style="font-size:11.0pt;line-height:106%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.45pt">,</span></u><u><span style="font-size:11.0pt;line-height:106%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.4pt">这时事务</span></u><u><span lang="EN-US" style="font-size:11.0pt;line-height:106%;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.3pt">A</span></u><u><span style="font-size: 11.0pt;line-height:106%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family: 微软雅黑;color:#393939;letter-spacing:.4pt">已经被提交</span></u><u><span style="font-size:11.0pt;line-height:106%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.45pt">,</span></u><u><span style="font-size:11.0pt;line-height:106%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.4pt">所以需要执⾏⼀</span></u><u><span style="font-size:11.0pt;line-height:106%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.35pt">个补偿操</span></u><span style="font-size:11.0pt;line-height:106%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939"> <u><span style="letter-spacing:.4pt">作</span><span style="letter-spacing:.5pt">,</span><span style="letter-spacing:.4pt">将已经提交的事务</span></u></span><u><span lang="EN-US" style="font-size:11.0pt;line-height:106%;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.3pt">A</span></u><u><span style="font-size: 11.0pt;line-height:106%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family: 微软雅黑;color:#393939;letter-spacing:.4pt">执⾏的操作作反操作</span></u><u><span style="font-size:11.0pt;line-height:106%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.45pt">,</span></u><u><span style="font-size:11.0pt;line-height:106%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.4pt">恢复到未执⾏前事务</span></u><u><span lang="EN-US" style="font-size:11.0pt;line-height:106%;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.3pt">A</span></u><u><span style="font-size: 11.0pt;line-height:106%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family: 微软雅黑;color:#393939;letter-spacing:.4pt">的</span></u><span style="font-size: 11.0pt;line-height:106%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family: 微软雅黑;color:#393939"> <u>状态<span style="letter-spacing:-4.2pt">。</span><span lang="EN-US">&nbsp; </span></u></span><span lang="EN-US" style="font-size:11.0pt;line-height:106%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:1.65pt;margin-right:26.65pt;margin-bottom: 0cm;margin-left:69.35pt;margin-bottom:.0001pt;text-indent:.25pt;line-height: 97%"><span lang="EN-US" style="font-size:11.0pt;line-height:97%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#393939;letter-spacing:.1pt">b</span><span lang="EN-US" style="font-size:11.0pt;line-height:97%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#393939;letter-spacing:.05pt">.</span><span lang="EN-US" style="font-size:11.0pt;line-height:97%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#393939;letter-spacing:.1pt"> </span><span style="font-size:11.0pt;line-height:97%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.05pt">缺点</span><span style="font-size:11.0pt;line-height:97%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.1pt">:</span><span lang="EN-US" style="font-size:11.0pt;line-height:97%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939">&nbsp; </span><u><span style="font-size:11.0pt;line-height:97%;font-family: &quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.05pt">业务侵⼊性太强</span></u><span style="font-size:11.0pt;line-height:97%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.1pt"> ,</span><span style="font-size:11.0pt;line-height:97%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.05pt">还要补偿操作</span><span style="font-size:11.0pt;line-height:97%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.1pt">,</span><span style="font-size:11.0pt;line-height:97%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.05pt">缺乏普遍性</span><span style="font-size:11.0pt;line-height:97%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.1pt">,</span><span style="font-size:11.0pt;line-height:97%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.05pt">没法⼤规模推</span><span style="font-size:11.0pt;line-height:97%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939"> ⼴<span style="letter-spacing:-.65pt">。</span></span><span lang="EN-US" style="font-size:11.0pt;line-height:97%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:2.35pt;text-indent:46.65pt;line-height: 87%"><span lang="EN-US" style="font-size:11.0pt;line-height:87%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#393939;letter-spacing:.1pt">4. </span><u><span style="font-size:11.0pt;line-height:87%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.15pt">消息最终⼀致性解决⽅案</span></u><u><span style="font-size:11.0pt;line-height:87%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.1pt">之</span></u><u><span lang="EN-US" style="font-size:11.0pt;line-height:87%;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.1pt">R</span></u><u><span lang="EN-US" style="font-size:11.0pt;line-height:87%;mso-fareast-font-family:Arial; color:#393939;letter-spacing:.05pt">abbit</span></u><u><span lang="EN-US" style="font-size:11.0pt;line-height:87%;mso-fareast-font-family:Arial; color:#393939;letter-spacing:.1pt">MQ</span></u><u><span style="font-size:11.0pt; line-height:87%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.1pt">实现</span></u><u><span style="font-size:11.0pt; line-height:87%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.2pt">:</span></u><u><span lang="EN-US" style="font-size:11.0pt;line-height:87%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939">&nbsp; </span></u><span lang="EN-US" style="font-size:11.0pt;line-height:87%; font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:1.7pt;text-indent:69.2pt;line-height:92%"><span lang="EN-US" style="font-size:11.0pt;line-height:92%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#393939;letter-spacing:.1pt">a. </span><u><span style="font-size:11.0pt;line-height:92%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.15pt">实现:</span></u><u><span style="font-size:11.0pt;line-height:92%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.1pt">发送⽅确认</span></u><u><span lang="EN-US" style="font-size:11.0pt;line-height:92%;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.05pt">+</span></u><u><span style="font-size:11.0pt;line-height:92%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.1pt">消息持久化</span></u><u><span lang="EN-US" style="font-size:11.0pt;line-height:92%;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.05pt">+</span></u><u><span style="font-size:11.0pt;line-height:92%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.1pt">消费者确认</span></u><u><span style="font-size:11.0pt;line-height:92%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.15pt">。</span></u><u><span lang="EN-US" style="font-size:11.0pt;line-height:92%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939">&nbsp; </span></u><span lang="EN-US" style="font-size:11.0pt;line-height:92%; font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> </div><p> <span lang="EN-US" style="font-size:10.5pt;font-family:&quot;Arial&quot;,sans-serif; mso-fareast-font-family:宋体;mso-fareast-theme-font:minor-fareast;mso-ansi-language: EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA;mso-no-proof:yes"><br clear="all" style="page-break-before:always;mso-break-type:section-break"> </span> </p><div class="WordSection3"> <p class="MsoNormal" style="line-height:137%"><span lang="EN-US">&nbsp;</span></p> <p class="MsoNormal" style="margin-top:4.75pt;text-indent:24.6pt;line-height: 87%"><b><span lang="EN-US" style="font-size:11.0pt;line-height:87%;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.1pt">4</span></b><b><span lang="EN-US" style="font-size:11.0pt;line-height:87%;mso-fareast-font-family:Arial; color:#393939;letter-spacing:.05pt">.</span></b><span style="font-size:11.0pt; line-height:87%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.1pt">索引的</span><b><span lang="EN-US" style="font-size:11.0pt;line-height:87%;mso-fareast-font-family:Arial; color:#393939;letter-spacing:.05pt">B+</span></b><span style="font-size:11.0pt; line-height:87%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.1pt">树结构是咋样的?</span><span lang="EN-US" style="font-size:11.0pt;line-height:87%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:1.2pt;text-indent:47.65pt;line-height: 20.4pt;mso-line-height-rule:exactly"><span lang="EN-US" style="font-size:11.0pt; font-family:&quot;Tahoma&quot;,sans-serif;mso-fareast-font-family:Tahoma;color:#393939; position:relative;top:-2.0pt;mso-text-raise:2.0pt;letter-spacing:.2pt">1</span><span lang="EN-US" style="font-size:11.0pt;font-family:&quot;Tahoma&quot;,sans-serif;mso-fareast-font-family: Tahoma;color:#393939;position:relative;top:-2.0pt;mso-text-raise:2.0pt; letter-spacing:.1pt">.</span><span lang="EN-US" style="font-size:11.0pt; font-family:&quot;Tahoma&quot;,sans-serif;mso-fareast-font-family:Tahoma;color:#393939; position:relative;top:-2.0pt;mso-text-raise:2.0pt;letter-spacing:.15pt">&nbsp;</span><span lang="EN-US" style="font-size:11.0pt; mso-fareast-font-family:Arial;color:#393939;position:relative;top:-2.0pt; mso-text-raise:2.0pt;letter-spacing:.25pt">B</span><span lang="EN-US" style="font-size:11.0pt;mso-fareast-font-family:Arial;color:#393939;position: relative;top:-2.0pt;mso-text-raise:2.0pt;letter-spacing:.15pt">-</span><span lang="EN-US" style="font-size:11.0pt;mso-fareast-font-family:Arial;color:#393939; position:relative;top:-2.0pt;mso-text-raise:2.0pt;letter-spacing:.1pt">t</span><span lang="EN-US" style="font-size:11.0pt;mso-fareast-font-family:Arial;color:#393939; position:relative;top:-2.0pt;mso-text-raise:2.0pt;letter-spacing:.15pt">r</span><span lang="EN-US" style="font-size:11.0pt;mso-fareast-font-family:Arial;color:#393939; position:relative;top:-2.0pt;mso-text-raise:2.0pt;letter-spacing:.2pt">e</span><span lang="EN-US" style="font-size:11.0pt;mso-fareast-font-family:Arial;color:#393939; position:relative;top:-2.0pt;mso-text-raise:2.0pt;letter-spacing:.15pt">e</span><span style="font-size:11.0pt;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family: 微软雅黑;color:#393939;position:relative;top:-2.0pt;mso-text-raise:2.0pt; letter-spacing:.4pt">:</span><span lang="EN-US" style="font-size:11.0pt; font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:4.5pt;text-indent:24.0pt;line-height:169.85pt; mso-line-height-rule:exactly;vertical-align:middle"><span lang="EN-US"><!--[if gte vml 1]><v:shape id="IM_x0020_4" o:spid="_x0000_i1032" type="#_x0000_t75" style='width:403.2pt; height:169.8pt;visibility:visible;mso-wrap-style:square'> <v:imagedata src="file:///C:\Users\SEEHOP~1\AppData\Local\Temp\msohtmlclip1\01\clip_image003.png" o:title=""/> </v:shape><![endif]--><!--[if !vml]--><img width="538" height="226" src="file:///C:/Users/SEEHOP~1/AppData/Local/Temp/msohtmlclip1/01/clip_image004.gif" v:shapes="IM_x0020_4"><!--[endif]--><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:8.7pt;margin-right:26.25pt;margin-bottom: 0cm;margin-left:47.15pt;margin-bottom:.0001pt;text-indent:22.65pt;line-height: 99%"><span lang="EN-US" style="font-size:11.0pt;line-height:99%;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.3pt">B</span><span lang="EN-US" style="font-size:11.0pt;line-height:99%;mso-fareast-font-family:Arial; color:#393939;letter-spacing:.15pt">-tr</span><span lang="EN-US" style="font-size:11.0pt;line-height:99%;mso-fareast-font-family:Arial; color:#393939;letter-spacing:.25pt">ee</span><span lang="EN-US" style="font-size: 11.0pt;line-height:99%;mso-fareast-font-family:Arial;color:#393939;letter-spacing: .15pt"> </span><span style="font-size:11.0pt;line-height:99%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.45pt">利⽤了磁盘块的特性进⾏构建的树</span><span style="font-size:11.0pt;line-height:99%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.5pt">。</span><span style="font-size:11.0pt;line-height:99%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.45pt">每个磁盘块</span><span style="font-size:11.0pt;line-height:99%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.4pt">⼀个节点</span><span style="font-size:11.0pt;line-height:99%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.5pt">,</span><span style="font-size:11.0pt;line-height:99%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.4pt">每个</span><span style="font-size:11.0pt;line-height:99%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939"> <span style="letter-spacing:.45pt">节点包含了</span><span style="letter-spacing:.4pt">很关键字</span><span style="letter-spacing:.45pt">。</span><span style="letter-spacing:.4pt">把树的节点关键字增多后树的层级⽐原来的⼆叉树少</span> <span style="letter-spacing:.3pt">了,减少数据查找的次数</span><span style="letter-spacing:.25pt">和复杂度</span><span style="letter-spacing:.3pt">。</span></span><span lang="EN-US" style="font-size: 11.0pt;line-height:99%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:1.35pt;margin-right:41.4pt;margin-bottom: 0cm;margin-left:48.8pt;margin-bottom:.0001pt;text-indent:21.0pt;line-height: 101%"><span lang="EN-US" style="font-size:11.0pt;line-height:101%;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.3pt">B</span><span lang="EN-US" style="font-size:11.0pt;line-height:101%;mso-fareast-font-family:Arial; color:#393939;letter-spacing:.15pt">-tr</span><span lang="EN-US" style="font-size:11.0pt;line-height:101%;mso-fareast-font-family:Arial; color:#393939;letter-spacing:.25pt">ee</span><span style="font-size:11.0pt; line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.45pt">巧妙利⽤了磁盘预读原理,将</span><span style="font-size: 11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family: 微软雅黑;color:#393939;letter-spacing:.4pt">⼀个节点的⼤⼩设为等于⼀个⻚</span><span style="font-size:11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939"> <span style="letter-spacing:.2pt">(每⻚为</span><span style="letter-spacing:.1pt"> </span></span><span lang="EN-US" style="font-size: 11.0pt;line-height:101%;mso-fareast-font-family:Arial;color:#393939;letter-spacing: .1pt">4</span><span lang="EN-US" style="font-size:11.0pt;line-height:101%; mso-fareast-font-family:Arial;color:#393939;letter-spacing:.15pt">K</span><span style="font-size:11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.2pt">),这样每个节</span><span style="font-size:11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.15pt">点只需要⼀次</span><span lang="EN-US" style="font-size:11.0pt;line-height:101%;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.05pt">I/</span><span lang="EN-US" style="font-size:11.0pt;line-height:101%;mso-fareast-font-family:Arial; color:#393939;letter-spacing:.1pt">O</span><span style="font-size:11.0pt; line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.15pt">就可以完全载⼊</span><span style="font-size:11.0pt; line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.2pt">。</span><span lang="EN-US" style="font-size: 11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family: 微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="text-indent:69.85pt"><span lang="EN-US" style="font-size:11.0pt;mso-fareast-font-family:Arial;color:#393939;letter-spacing: .25pt">B</span><span lang="EN-US" style="font-size:11.0pt;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.15pt">-tr</span><span lang="EN-US" style="font-size:11.0pt;mso-fareast-font-family:Arial;color:#393939;letter-spacing: .2pt">ee</span><span lang="EN-US" style="font-size:11.0pt;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.15pt"> </span><span style="font-size:11.0pt; font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑;color:#393939; letter-spacing:.35pt">的数据可以存在任何节</span><span style="font-size:11.0pt; font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑;color:#393939; letter-spacing:.3pt">点中</span><span style="font-size:11.0pt;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.4pt">。</span><span lang="EN-US" style="font-size:11.0pt;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family: 微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:.3pt;text-indent:47.05pt;line-height:20.4pt; mso-line-height-rule:exactly"><span lang="EN-US" style="font-size:11.0pt; font-family:&quot;Tahoma&quot;,sans-serif;mso-fareast-font-family:Tahoma;color:#393939; position:relative;top:-2.0pt;mso-text-raise:2.0pt;letter-spacing:.2pt">2</span><span lang="EN-US" style="font-size:11.0pt;font-family:&quot;Tahoma&quot;,sans-serif;mso-fareast-font-family: Tahoma;color:#393939;position:relative;top:-2.0pt;mso-text-raise:2.0pt; letter-spacing:.1pt">.</span><span lang="EN-US" style="font-size:11.0pt; font-family:&quot;Tahoma&quot;,sans-serif;mso-fareast-font-family:Tahoma;color:#393939; position:relative;top:-2.0pt;mso-text-raise:2.0pt;letter-spacing:.15pt">&nbsp;</span><span lang="EN-US" style="font-size:11.0pt; mso-fareast-font-family:Arial;color:#393939;position:relative;top:-2.0pt; mso-text-raise:2.0pt;letter-spacing:.2pt">B+</span><span lang="EN-US" style="font-size:11.0pt;mso-fareast-font-family:Arial;color:#393939;position: relative;top:-2.0pt;mso-text-raise:2.0pt;letter-spacing:.1pt">tr</span><span lang="EN-US" style="font-size:11.0pt;mso-fareast-font-family:Arial;color:#393939; position:relative;top:-2.0pt;mso-text-raise:2.0pt;letter-spacing:.2pt">e</span><span lang="EN-US" style="font-size:11.0pt;mso-fareast-font-family:Arial;color:#393939; position:relative;top:-2.0pt;mso-text-raise:2.0pt;letter-spacing:.15pt">e</span><span style="font-size:11.0pt;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family: 微软雅黑;color:#393939;position:relative;top:-2.0pt;mso-text-raise:2.0pt; letter-spacing:.35pt">:</span><span lang="EN-US" style="font-size:11.0pt; font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:4.5pt;text-indent:24.0pt;line-height:182.65pt; mso-line-height-rule:exactly;vertical-align:middle"><span lang="EN-US"><!--[if gte vml 1]><v:shape id="IM_x0020_5" o:spid="_x0000_i1031" type="#_x0000_t75" style='width:403.2pt; height:182.4pt;visibility:visible;mso-wrap-style:square'> <v:imagedata src="file:///C:\Users\SEEHOP~1\AppData\Local\Temp\msohtmlclip1\01\clip_image005.png" o:title=""/> </v:shape><![endif]--><!--[if !vml]--><img width="538" height="243" src="file:///C:/Users/SEEHOP~1/AppData/Local/Temp/msohtmlclip1/01/clip_image006.gif" v:shapes="IM_x0020_5"><!--[endif]--><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:8.75pt;margin-right:26.8pt;margin-bottom: 0cm;margin-left:24.4pt;margin-bottom:.0001pt;text-indent:45.45pt;line-height: 103%"><span lang="EN-US" style="font-size:11.0pt;line-height:103%;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.2pt">B</span><span lang="EN-US" style="font-size:11.0pt;line-height:103%;mso-fareast-font-family:Arial; color:#393939;letter-spacing:.15pt">+</span><span lang="EN-US" style="font-size: 11.0pt;line-height:103%;mso-fareast-font-family:Arial;color:#393939;letter-spacing: .1pt">tr</span><span lang="EN-US" style="font-size:11.0pt;line-height:103%; mso-fareast-font-family:Arial;color:#393939;letter-spacing:.15pt">ee</span><span lang="EN-US" style="font-size:11.0pt;line-height:103%;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.1pt"> </span><span style="font-size:11.0pt; line-height:103%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.25pt">是</span><span style="font-size:11.0pt; line-height:103%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.1pt"> </span><span lang="EN-US" style="font-size: 11.0pt;line-height:103%;mso-fareast-font-family:Arial;color:#393939;letter-spacing: .2pt">B</span><span lang="EN-US" style="font-size:11.0pt;line-height:103%; mso-fareast-font-family:Arial;color:#393939;letter-spacing:.1pt">-tr</span><span lang="EN-US" style="font-size:11.0pt;line-height:103%;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.15pt">ee</span><span lang="EN-US" style="font-size:11.0pt;line-height:103%;mso-fareast-font-family:Arial; color:#393939;letter-spacing:.1pt"> </span><span style="font-size:11.0pt; line-height:103%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.25pt">的变种</span><span style="font-size:11.0pt; line-height:103%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.3pt">,</span><span lang="EN-US" style="font-size: 11.0pt;line-height:103%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family: 微软雅黑;color:#393939">&nbsp; </span><span lang="EN-US" style="font-size:11.0pt;line-height:103%;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.2pt">B</span><span lang="EN-US" style="font-size:11.0pt;line-height:103%;mso-fareast-font-family:Arial; color:#393939;letter-spacing:.15pt">+</span><span lang="EN-US" style="font-size: 11.0pt;line-height:103%;mso-fareast-font-family:Arial;color:#393939;letter-spacing: .1pt">tr</span><span lang="EN-US" style="font-size:11.0pt;line-height:103%; mso-fareast-font-family:Arial;color:#393939;letter-spacing:.15pt">ee</span><span lang="EN-US" style="font-size:11.0pt;line-height:103%;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.1pt"> </span><span style="font-size:11.0pt; line-height:103%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.25pt">数据只存储在</span><span style="font-size:11.0pt; line-height:103%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.2pt">叶⼦节点中</span><span style="font-size:11.0pt; line-height:103%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.3pt">。</span><span style="font-size:11.0pt; line-height:103%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.2pt">这样在</span><span lang="EN-US" style="font-size: 11.0pt;line-height:103%;mso-fareast-font-family:Arial;color:#393939;letter-spacing: .15pt">B</span><span lang="EN-US" style="font-size:11.0pt;line-height:103%; mso-fareast-font-family:Arial;color:#393939"> </span><span style="font-size: 11.0pt;line-height:103%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family: 微软雅黑;color:#393939;letter-spacing:.45pt">树的基础上每个节点存储的关</span><span style="font-size:11.0pt;line-height:103%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.4pt">键字数更多</span><span style="font-size:11.0pt;line-height:103%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.45pt">,</span><span style="font-size:11.0pt;line-height:103%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.4pt">树的层级更少所以查询数据更快</span><span style="font-size:11.0pt;line-height:103%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.45pt">,</span><span style="font-size:11.0pt;line-height:103%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.4pt">所</span><span style="font-size:11.0pt;line-height:103%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939"> <span style="letter-spacing:.45pt">有指关键字指针都存在叶⼦节点,</span><span style="letter-spacing:.4pt">所以每次查找的次数都相同所以查询速度更稳</span> <span style="letter-spacing: .3pt">定</span><span lang="EN-US" style="letter-spacing:.05pt">;</span></span><span lang="EN-US" style="font-size:11.0pt;line-height:103%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:.05pt;text-indent:24.9pt;line-height:87%"><b><span lang="EN-US" style="font-size:11.0pt;line-height:87%;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.15pt">5</span></b><b><span lang="EN-US" style="font-size:11.0pt;line-height:87%;mso-fareast-font-family:Arial; color:#393939;letter-spacing:.1pt">.</span></b><span style="font-size:11.0pt; line-height:87%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.25pt">哪些情况下索引会失效?除了加索引优化</span><span style="font-size:11.0pt;line-height:87%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.2pt">查询</span><span style="font-size:11.0pt;line-height:87%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.25pt">,</span><span style="font-size:11.0pt;line-height:87%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.2pt">还有哪些⽅法?</span><span lang="EN-US" style="font-size:11.0pt;line-height:87%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> </div><p> <span lang="EN-US" style="font-size:10.5pt;font-family:&quot;Arial&quot;,sans-serif; mso-fareast-font-family:宋体;mso-fareast-theme-font:minor-fareast;mso-ansi-language: EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA;mso-no-proof:yes"><br clear="all" style="page-break-before:always;mso-break-type:section-break"> </span> </p><div class="WordSection4"> <p class="MsoNormal" style="line-height:126%"><span lang="EN-US">&nbsp;</span></p> <p class="MsoNormal" style="margin-top:4.75pt;margin-right:25.2pt;margin-bottom: 0cm;margin-left:24.45pt;margin-bottom:.0001pt;text-indent:.2pt;line-height: 101%"><b><span lang="EN-US" style="font-size:11.0pt;line-height:101%;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.2pt">6</span></b><b><span lang="EN-US" style="font-size:11.0pt;line-height:101%;mso-fareast-font-family:Arial; color:#393939;letter-spacing:.1pt">.</span></b><span style="font-size:11.0pt; line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.3pt">说说⾃⼰了解的设计模式</span><span style="font-size: 11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family: 微软雅黑;color:#393939;letter-spacing:.25pt">?</span><span lang="EN-US" style="font-size:11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.1pt">&nbsp; </span><b><span lang="EN-US" style="font-size: 11.0pt;line-height:101%;mso-fareast-font-family:Arial;color:#393939;letter-spacing: .15pt">Sp</span></b><b><span lang="EN-US" style="font-size:11.0pt;line-height: 101%;mso-fareast-font-family:Arial;color:#393939;letter-spacing:.1pt">r</span></b><b><span lang="EN-US" style="font-size:11.0pt;line-height:101%;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.05pt">i</span></b><b><span lang="EN-US" style="font-size:11.0pt;line-height:101%;mso-fareast-font-family:Arial; color:#393939;letter-spacing:.15pt">ng</span></b><span style="font-size:11.0pt; line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.25pt">中⽤到了哪些设计模式?⾃⼰有⽤过哪些设</span><span style="font-size:11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939"> <span style="letter-spacing:-.7pt">计模式吗?</span></span><span lang="EN-US" style="font-size:11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="text-indent:47.65pt;line-height:96%"><span lang="EN-US" style="font-size:11.0pt;line-height:96%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#393939;letter-spacing:.15pt">1</span><span lang="EN-US" style="font-size:11.0pt;line-height:96%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#393939;letter-spacing:.1pt">. </span><span lang="EN-US" style="font-size:11.0pt;line-height:96%;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.1pt">s</span><span lang="EN-US" style="font-size:11.0pt;line-height:96%;mso-fareast-font-family:Arial; color:#393939;letter-spacing:.15pt">p</span><span lang="EN-US" style="font-size: 11.0pt;line-height:96%;mso-fareast-font-family:Arial;color:#393939;letter-spacing: .1pt">r</span><span lang="EN-US" style="font-size:11.0pt;line-height:96%; mso-fareast-font-family:Arial;color:#393939;letter-spacing:.05pt">i</span><span lang="EN-US" style="font-size:11.0pt;line-height:96%;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.1pt">ng</span><span style="font-size:11.0pt; line-height:96%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.15pt">中的设计模式</span><span style="font-size:11.0pt; line-height:96%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.2pt">:</span><span lang="EN-US" style="font-size: 11.0pt;line-height:96%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:1.55pt;margin-right:30.6pt;margin-bottom: 0cm;margin-left:69.3pt;margin-bottom:.0001pt;text-indent:-.1pt;line-height: 107%"><span lang="EN-US" style="font-size:11.0pt;line-height:107%;font-family: &quot;Tahoma&quot;,sans-serif;mso-fareast-font-family:Tahoma;color:#393939">a. </span><span style="font-size:11.0pt;line-height:107%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939">简单⼯⼚<span style="letter-spacing:-.05pt">:</span><span lang="EN-US" style="letter-spacing:-.75pt">&nbsp; </span></span><span lang="EN-US" style="font-size:9.5pt;line-height:107%; font-family:&quot;Verdana&quot;,sans-serif;mso-fareast-font-family:Verdana;mso-bidi-font-family: Verdana;color:#393939">spring</span><span style="font-size:9.5pt;line-height: 107%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑;color:#393939">中的</span><span lang="EN-US" style="font-size:9.5pt;line-height:107%;font-family:&quot;Verdana&quot;,sans-serif; mso-fareast-font-family:Verdana;mso-bidi-font-family:Verdana;color:#393939">BeanFactory</span><span style="font-size:9.5pt;line-height:107%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939">就是简单⼯⼚模式的体现<span style="letter-spacing: -.05pt">,</span>根据传⼊⼀个 <span style="letter-spacing:.1pt">唯⼀的标识来获得</span></span><span lang="EN-US" style="font-size:9.5pt;line-height:107%;font-family:&quot;Verdana&quot;,sans-serif; mso-fareast-font-family:Verdana;mso-bidi-font-family:Verdana;color:#393939; letter-spacing:.05pt">bean</span><span style="font-size:9.5pt;line-height:107%; font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑;color:#393939; letter-spacing:.1pt">对象</span><span style="font-size:9.5pt;line-height:107%; font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑;color:#393939; letter-spacing:.15pt">,</span><span style="font-size:9.5pt;line-height:107%; font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑;color:#393939; letter-spacing:.1pt">但是否是在传⼊参数后创建还是传⼊参数前创建这个</span><span style="font-size:9.5pt; line-height:107%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939"> 要根据具体情况来定<span style="letter-spacing:-.5pt">。</span></span><span lang="EN-US" style="font-size:9.5pt;line-height:107%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:2.5pt;text-indent:69.6pt;line-height:93%"><span lang="EN-US" style="font-size:11.0pt;line-height:93%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#393939">b. </span><span style="font-size: 11.0pt;line-height:93%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939">单例模式<span style="letter-spacing:-.05pt">:</span><span lang="EN-US" style="letter-spacing:-1.15pt">&nbsp; </span></span><span lang="EN-US" style="font-size:9.5pt;line-height:93%; font-family:&quot;Verdana&quot;,sans-serif;mso-fareast-font-family:Verdana;mso-bidi-font-family: Verdana;color:#393939">Spring</span><span style="font-size:9.5pt;line-height: 93%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑;color:#393939">下默认的</span><span lang="EN-US" style="font-size:9.5pt;line-height:93%;font-family:&quot;Verdana&quot;,sans-serif; mso-fareast-font-family:Verdana;mso-bidi-font-family:Verdana;color:#393939">bean</span><span style="font-size:9.5pt;line-height:93%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939">均为</span><span lang="EN-US" style="font-size:9.5pt;line-height:93%;font-family:&quot;Verdana&quot;,sans-serif; mso-fareast-font-family:Verdana;mso-bidi-font-family:Verdana;color:#393939">singleton</span><span style="font-size:11.0pt;line-height:93%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939">。</span><span lang="EN-US" style="font-size:11.0pt;line-height:93%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:1.65pt;margin-right:27.3pt;margin-bottom: 0cm;margin-left:69.3pt;margin-bottom:.0001pt;text-indent:-.1pt;line-height: 110%"><span lang="EN-US" style="font-size:11.0pt;line-height:110%;font-family: &quot;Tahoma&quot;,sans-serif;mso-fareast-font-family:Tahoma;color:#393939">c. </span><span style="font-size:11.0pt;line-height:110%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939">代理模式<span style="letter-spacing:-.05pt">:</span><span lang="EN-US" style="letter-spacing:-1.0pt">&nbsp; </span></span><span style="font-size:9.5pt;line-height:110%;font-family: &quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑;color:#393939">为其他对象提供⼀种代理以控制对这个对象的访问。<span lang="EN-US" style="letter-spacing:-.9pt">&nbsp;&nbsp;&nbsp; </span>从结构上来看 <span style="letter-spacing:.1pt">和</span></span><span lang="EN-US" style="font-size:9.5pt;line-height:110%;font-family:&quot;Verdana&quot;,sans-serif; mso-fareast-font-family:Verdana;mso-bidi-font-family:Verdana;color:#393939; letter-spacing:.1pt">Decorator</span><span style="font-size:9.5pt;line-height: 110%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑;color:#393939; letter-spacing:.1pt">模式类</span><span style="font-size:9.5pt;line-height:110%; font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑;color:#393939; letter-spacing:.05pt">似</span><span style="font-size:9.5pt;line-height:110%; font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑;color:#393939; letter-spacing:.15pt">,</span><span style="font-size:9.5pt;line-height:110%; font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑;color:#393939; letter-spacing:.05pt">但</span><span lang="EN-US" style="font-size:9.5pt; line-height:110%;font-family:&quot;Verdana&quot;,sans-serif;mso-fareast-font-family:Verdana; mso-bidi-font-family:Verdana;color:#393939;letter-spacing:.05pt">Proxy</span><span style="font-size:9.5pt;line-height:110%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.05pt">是控制</span><span style="font-size:9.5pt;line-height:110%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.15pt">,</span><span style="font-size:9.5pt;line-height:110%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.05pt">更像是⼀种对功能的限制</span><span style="font-size:9.5pt;line-height:110%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.15pt">,</span><span style="font-size:9.5pt;line-height:110%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.05pt">⽽</span><span lang="EN-US" style="font-size:9.5pt;line-height:110%;font-family:&quot;Verdana&quot;,sans-serif; mso-fareast-font-family:Verdana;mso-bidi-font-family:Verdana;color:#393939; letter-spacing:.05pt">Decorator</span><span lang="EN-US" style="font-size:9.5pt; line-height:110%;font-family:&quot;Verdana&quot;,sans-serif;mso-fareast-font-family:Verdana; mso-bidi-font-family:Verdana;color:#393939"> </span><span style="font-size: 9.5pt;line-height:110%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939">是增加职责<span style="letter-spacing:-.05pt">。</span><span lang="EN-US" style="letter-spacing:-.5pt">&nbsp;&nbsp; </span></span><span lang="EN-US" style="font-size:9.5pt;line-height:110%; font-family:&quot;Verdana&quot;,sans-serif;mso-fareast-font-family:Verdana;mso-bidi-font-family: Verdana;color:#393939">spring</span><span style="font-size:9.5pt;line-height: 110%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑;color:#393939">的</span><span lang="EN-US" style="font-size:9.5pt;line-height:110%;font-family:&quot;Verdana&quot;,sans-serif; mso-fareast-font-family:Verdana;mso-bidi-font-family:Verdana;color:#393939">Proxy</span><span style="font-size:9.5pt;line-height:110%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939">模式在</span><span lang="EN-US" style="font-size:9.5pt;line-height:110%;font-family:&quot;Verdana&quot;,sans-serif; mso-fareast-font-family:Verdana;mso-bidi-font-family:Verdana;color:#393939">aop</span><span style="font-size:9.5pt;line-height:110%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939">中有体现<span style="letter-spacing:-.05pt">,</span>⽐如</span><span lang="EN-US" style="font-size:9.5pt;line-height:110%;font-family:&quot;Verdana&quot;,sans-serif; mso-fareast-font-family:Verdana;mso-bidi-font-family:Verdana;color:#393939">JdkDynamicAopProxy</span><span style="font-size:9.5pt;line-height:110%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939">和 </span><span lang="EN-US" style="font-size:9.5pt;line-height:110%;font-family:&quot;Verdana&quot;,sans-serif; mso-fareast-font-family:Verdana;mso-bidi-font-family:Verdana;color:#393939; letter-spacing:.1pt">C</span><span lang="EN-US" style="font-size:9.5pt; line-height:110%;font-family:&quot;Verdana&quot;,sans-serif;mso-fareast-font-family:Verdana; mso-bidi-font-family:Verdana;color:#393939;letter-spacing:.05pt">glib2AopProxy</span><span style="font-size:9.5pt;line-height:110%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.15pt">。</span><span lang="EN-US" style="font-size:9.5pt;line-height:110%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:2.65pt;margin-right:29.7pt;margin-bottom: 0cm;margin-left:69.65pt;margin-bottom:.0001pt;text-indent:-.25pt;line-height: 97%"><span lang="EN-US" style="font-size:9.5pt;line-height:97%;font-family:&quot;Verdana&quot;,sans-serif; mso-fareast-font-family:Verdana;mso-bidi-font-family:Verdana;color:#393939; letter-spacing:.05pt">d. </span><span style="font-size:9.5pt;line-height:97%; font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑;color:#393939; letter-spacing:.1pt">观察者模式:定义对象间的⼀种⼀对多的依赖关系,当⼀个对象的状态发⽣改</span><span style="font-size:9.5pt;line-height:97%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939">变 时<span style="letter-spacing:-.05pt">,</span>所有依赖于它的对象都得到通知并被⾃动更新<span style="letter-spacing:-.05pt">。</span><span lang="EN-US" style="letter-spacing: -1.15pt">&nbsp; </span></span><span lang="EN-US" style="font-size:9.5pt;line-height:97%;font-family:&quot;Verdana&quot;,sans-serif; mso-fareast-font-family:Verdana;mso-bidi-font-family:Verdana;color:#393939">spring</span><span style="font-size:9.5pt;line-height:97%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939">中</span><span lang="EN-US" style="font-size:9.5pt;line-height:97%;font-family:&quot;Verdana&quot;,sans-serif; mso-fareast-font-family:Verdana;mso-bidi-font-family:Verdana;color:#393939">Observer</span><span style="font-size:9.5pt;line-height:97%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939">模式常⽤的</span><span lang="EN-US" style="font-size:9.5pt;line-height:97%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:1.85pt;text-indent:69.2pt;line-height: 17.4pt;mso-line-height-rule:exactly"><span style="font-size:9.5pt;font-family: &quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑;color:#393939;position:relative; top:-4.5pt;mso-text-raise:4.5pt;letter-spacing:.15pt">地⽅是</span><span lang="EN-US" style="font-size:9.5pt;font-family:&quot;Verdana&quot;,sans-serif;mso-fareast-font-family: Verdana;mso-bidi-font-family:Verdana;color:#393939;position:relative; top:-4.5pt;mso-text-raise:4.5pt;letter-spacing:.1pt">l</span><span lang="EN-US" style="font-size:9.5pt;font-family:&quot;Verdana&quot;,sans-serif;mso-fareast-font-family: Verdana;mso-bidi-font-family:Verdana;color:#393939;position:relative; top:-4.5pt;mso-text-raise:4.5pt;letter-spacing:.05pt">istener</span><span style="font-size:9.5pt;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;position:relative;top:-4.5pt;mso-text-raise:4.5pt;letter-spacing: .1pt">的实现</span><span style="font-size:9.5pt;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;position:relative;top:-4.5pt; mso-text-raise:4.5pt;letter-spacing:.15pt">。</span><span style="font-size:9.5pt; font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑;color:#393939; position:relative;top:-4.5pt;mso-text-raise:4.5pt;letter-spacing:.1pt">如</span><span lang="EN-US" style="font-size:9.5pt;font-family:&quot;Verdana&quot;,sans-serif;mso-fareast-font-family: Verdana;mso-bidi-font-family:Verdana;color:#393939;position:relative; top:-4.5pt;mso-text-raise:4.5pt;letter-spacing:.05pt">ApplicationListener</span><span style="font-size:9.5pt;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;position:relative;top:-4.5pt;mso-text-raise:4.5pt;letter-spacing: .15pt">。</span><span lang="EN-US" style="font-size:9.5pt;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="text-indent:24.5pt;line-height:87%"><b><span lang="EN-US" style="font-size:11.0pt;line-height:87%;mso-fareast-font-family: Arial;color:#393939;letter-spacing:-.1pt">7.TCP</span></b><span style="font-size:11.0pt;line-height:87%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:-.15pt">的</span><span style="font-size:11.0pt;line-height:87%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:-.1pt">三次握⼿四次挥⼿机制?</span><span lang="EN-US" style="font-size:11.0pt;line-height:87%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:2.6pt;margin-right:280.1pt;margin-bottom: 0cm;margin-left:69.35pt;margin-bottom:.0001pt;text-indent:-21.7pt;line-height: 95%"><span lang="EN-US" style="font-size:11.0pt;line-height:95%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#393939;letter-spacing:.05pt">1. </span><span lang="EN-US" style="font-size:11.0pt;line-height:95%;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.05pt">TCP</span><span style="font-size: 11.0pt;line-height:95%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.05pt">建</span><span style="font-size:11.0pt; line-height:95%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939">⽴连接的过程<span style="letter-spacing:.05pt">。</span> 三次握⼿<span style="letter-spacing:-.65pt">:</span></span><span lang="EN-US" style="font-size: 11.0pt;line-height:95%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:2.55pt;margin-right:28.0pt;margin-bottom: 0cm;margin-left:69.3pt;margin-bottom:.0001pt;text-indent:.75pt;line-height: 95%"><span lang="EN-US" style="font-size:11.0pt;line-height:95%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#1A1A1A;letter-spacing:.25pt">1</span><span lang="EN-US" style="font-size:11.0pt;line-height:95%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#1A1A1A;letter-spacing:.15pt">. </span><span style="font-size:11.0pt;line-height:95%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A;letter-spacing:.4pt">第⼀次握⼿</span><span lang="EN-US" style="font-size:11.0pt;line-height:95%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A;letter-spacing:.15pt">(</span><span style="font-size:11.0pt;line-height:95%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A;letter-spacing:.4pt">客户端发送</span><span lang="EN-US" style="font-size:11.0pt;line-height:95%;mso-fareast-font-family: Arial;color:#1A1A1A;letter-spacing:.25pt">syn</span><span style="font-size: 11.0pt;line-height:95%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#1A1A1A;letter-spacing:.4pt">包到服务器端</span><span lang="EN-US" style="font-size:11.0pt;line-height:95%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A;letter-spacing:.15pt">)</span><span style="font-size:11.0pt;line-height:95%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A;letter-spacing:.45pt">:</span><span style="font-size:11.0pt;line-height:95%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A;letter-spacing:.4pt">客户端发送</span><span lang="EN-US" style="font-size:11.0pt;line-height:95%;mso-fareast-font-family: Arial;color:#1A1A1A;letter-spacing:.2pt">syn</span><span style="font-size:11.0pt; line-height:95%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#1A1A1A;letter-spacing:.35pt">包到服务</span><span style="font-size:11.0pt; line-height:95%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#1A1A1A"> <span style="letter-spacing:.25pt">器端</span><span style="letter-spacing:.35pt">,</span><span style="letter-spacing:.25pt">进⼊</span></span><span lang="EN-US" style="font-size:11.0pt;line-height:95%;mso-fareast-font-family: Arial;color:#1A1A1A;letter-spacing:.15pt">syn_send</span><span style="font-size:11.0pt;line-height:95%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A;letter-spacing:.25pt">状态</span><span style="font-size:11.0pt;line-height:95%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A;letter-spacing:.35pt">,</span><span style="font-size:11.0pt;line-height:95%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A;letter-spacing:.25pt">等待服务器端的确认</span><span style="font-size:11.0pt;line-height:95%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A;letter-spacing:.35pt">;</span><span lang="EN-US" style="font-size:11.0pt;line-height:95%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:1.0pt;margin-right:32.6pt;margin-bottom: 0cm;margin-left:69.75pt;margin-bottom:.0001pt;text-indent:-.3pt;line-height: 99%"><span lang="EN-US" style="font-size:11.0pt;line-height:99%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#1A1A1A;letter-spacing:.25pt">2</span><span lang="EN-US" style="font-size:11.0pt;line-height:99%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#1A1A1A;letter-spacing:.15pt">. </span><span style="font-size:11.0pt;line-height:99%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A;letter-spacing:.45pt">第⼆次握⼿</span><span lang="EN-US" style="font-size:11.0pt;line-height:99%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A;letter-spacing:.15pt">(</span><span style="font-size:11.0pt;line-height:99%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A;letter-spacing:.45pt">服务器返回</span><span lang="EN-US" style="font-size:11.0pt;line-height:99%;mso-fareast-font-family: Arial;color:#1A1A1A;letter-spacing:.25pt">syn</span><span lang="EN-US" style="font-size:11.0pt;line-height:99%;mso-fareast-font-family:Arial; color:#1A1A1A;letter-spacing:.3pt">+</span><span lang="EN-US" style="font-size: 11.0pt;line-height:99%;mso-fareast-font-family:Arial;color:#1A1A1A;letter-spacing: .25pt">a</span><span lang="EN-US" style="font-size:11.0pt;line-height:99%; mso-fareast-font-family:Arial;color:#1A1A1A;letter-spacing:.2pt">ck</span><span style="font-size:11.0pt;line-height:99%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A;letter-spacing:.4pt">包给客户端</span><span lang="EN-US" style="font-size:11.0pt;line-height:99%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A;letter-spacing:.1pt">)</span><span style="font-size:11.0pt;line-height:99%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A;letter-spacing:.45pt">:</span><span style="font-size:11.0pt;line-height:99%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A;letter-spacing:.4pt">服务器端收到客户端</span><span style="font-size:11.0pt;line-height:99%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A"> <span style="letter-spacing:.35pt">的</span></span><span lang="EN-US" style="font-size:11.0pt;line-height:99%;mso-fareast-font-family: Arial;color:#1A1A1A;letter-spacing:.2pt">syn</span><span style="font-size:11.0pt; line-height:99%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#1A1A1A;letter-spacing:.35pt">包</span><span style="font-size:11.0pt; line-height:99%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#1A1A1A;letter-spacing:.4pt">,</span><span style="font-size:11.0pt; line-height:99%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#1A1A1A;letter-spacing:.35pt">发送</span><span lang="EN-US" style="font-size: 11.0pt;line-height:99%;mso-fareast-font-family:Arial;color:#1A1A1A;letter-spacing: .2pt">syn+ack</span><span style="font-size:11.0pt;line-height:99%;font-family: &quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑;color:#1A1A1A;letter-spacing:.35pt">包给客户端</span><span style="font-size:11.0pt;line-height:99%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A;letter-spacing:.4pt">,</span><span style="font-size:11.0pt;line-height:99%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A;letter-spacing:.35pt">进⼊</span><span lang="EN-US" style="font-size:11.0pt;line-height:99%;mso-fareast-font-family: Arial;color:#1A1A1A;letter-spacing:.2pt">sy</span><span lang="EN-US" style="font-size:11.0pt;line-height:99%;mso-fareast-font-family:Arial; color:#1A1A1A;letter-spacing:.15pt">n_</span><span lang="EN-US" style="font-size: 11.0pt;line-height:99%;mso-fareast-font-family:Arial;color:#1A1A1A;letter-spacing: .1pt">r</span><span lang="EN-US" style="font-size:11.0pt;line-height:99%; mso-fareast-font-family:Arial;color:#1A1A1A;letter-spacing:.15pt">ecv</span><span style="font-size:11.0pt;line-height:99%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A;letter-spacing:.3pt">状态</span><span style="font-size:11.0pt;line-height:99%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A;letter-spacing:.4pt">;</span><span lang="EN-US" style="font-size:11.0pt;line-height:99%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:1.15pt;margin-right:35.35pt;margin-bottom: 0cm;margin-left:69.45pt;margin-bottom:.0001pt;text-indent:-.05pt;line-height: 101%"><span lang="EN-US" style="font-size:11.0pt;line-height:101%;font-family: &quot;Tahoma&quot;,sans-serif;mso-fareast-font-family:Tahoma;color:#1A1A1A;letter-spacing: .25pt">3</span><span lang="EN-US" style="font-size:11.0pt;line-height:101%; font-family:&quot;Tahoma&quot;,sans-serif;mso-fareast-font-family:Tahoma;color:#1A1A1A; letter-spacing:.15pt">. </span><span style="font-size:11.0pt;line-height:101%; font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑;color:#1A1A1A; letter-spacing:.4pt">第三次握⼿</span><span lang="EN-US" style="font-size:11.0pt; line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#1A1A1A;letter-spacing:.15pt">(</span><span style="font-size:11.0pt; line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#1A1A1A;letter-spacing:.4pt">客服端返回</span><span lang="EN-US" style="font-size:11.0pt;line-height:101%;mso-fareast-font-family:Arial; color:#1A1A1A;letter-spacing:.25pt">ack</span><span style="font-size:11.0pt; line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#1A1A1A;letter-spacing:.4pt">包给服务端</span><span lang="EN-US" style="font-size:11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A;letter-spacing:.15pt">)</span><span style="font-size:11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A;letter-spacing:.45pt">:</span><span style="font-size:11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A;letter-spacing:.4pt">客户</span><span style="font-size:11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A;letter-spacing:.35pt">端收到服务器端的</span><span lang="EN-US" style="font-size:11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A">&nbsp;&nbsp; </span><span lang="EN-US" style="font-size:11.0pt;line-height:101%; mso-fareast-font-family:Arial;color:#1A1A1A;letter-spacing:.25pt">syn+ack</span><span style="font-size:11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A;letter-spacing:.45pt">包</span><span style="font-size:11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A;letter-spacing:.5pt">,</span><span style="font-size:11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A;letter-spacing:.45pt">发送个</span><span lang="EN-US" style="font-size:11.0pt;line-height:101%;mso-fareast-font-family: Arial;color:#1A1A1A;letter-spacing:.25pt">ack</span><span style="font-size: 11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family: 微软雅黑;color:#1A1A1A;letter-spacing:.45pt">包到服务器端</span><span style="font-size: 11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family: 微软雅黑;color:#1A1A1A;letter-spacing:.5pt">,</span><span style="font-size:11.0pt; line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#1A1A1A;letter-spacing:.45pt">⾄</span><span style="font-size:11.0pt; line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#1A1A1A;letter-spacing:.4pt">此</span><span style="font-size:11.0pt; line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#1A1A1A;letter-spacing:.5pt">,</span><span style="font-size:11.0pt; line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#1A1A1A;letter-spacing:.4pt">客户端与服务器端进⼊</span><span style="font-size: 11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family: 微软雅黑;color:#1A1A1A"> </span><span lang="EN-US" style="font-size:11.0pt; line-height:101%;mso-fareast-font-family:Arial;color:#1A1A1A;letter-spacing: .2pt">es</span><span lang="EN-US" style="font-size:11.0pt;line-height:101%; mso-fareast-font-family:Arial;color:#1A1A1A;letter-spacing:.1pt">t</span><span lang="EN-US" style="font-size:11.0pt;line-height:101%;mso-fareast-font-family: Arial;color:#1A1A1A;letter-spacing:.2pt">ab</span><span lang="EN-US" style="font-size:11.0pt;line-height:101%;mso-fareast-font-family:Arial; color:#1A1A1A;letter-spacing:.1pt">li</span><span lang="EN-US" style="font-size: 11.0pt;line-height:101%;mso-fareast-font-family:Arial;color:#1A1A1A;letter-spacing: .2pt">s</span><span lang="EN-US" style="font-size:11.0pt;line-height:101%; mso-fareast-font-family:Arial;color:#1A1A1A;letter-spacing:.15pt">hed</span><span style="font-size:11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A;letter-spacing:.25pt">状态</span><span style="font-size:11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A;letter-spacing:.35pt">;</span><span lang="EN-US" style="font-size:11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:1.7pt;margin-right:29.0pt;margin-bottom: 0cm;margin-left:69.3pt;margin-bottom:.0001pt;text-indent:-.2pt;line-height: 97%"><span lang="EN-US" style="font-size:11.0pt;line-height:97%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#1A1A1A;letter-spacing:.25pt">4</span><span lang="EN-US" style="font-size:11.0pt;line-height:97%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#1A1A1A;letter-spacing:.15pt">. </span><span style="font-size:11.0pt;line-height:97%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A;letter-spacing:.45pt">握⼿过程中传</span><span style="font-size:11.0pt;line-height:97%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A;letter-spacing:.4pt">送的包不包含任何数据</span><span style="font-size:11.0pt;line-height:97%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A;letter-spacing:.45pt">,</span><span style="font-size:11.0pt;line-height:97%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A;letter-spacing:.4pt">连接建⽴后才会开始传送数</span><span lang="EN-US" style="font-size:11.0pt;line-height:97%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A">&nbsp; </span><span style="font-size:11.0pt;line-height:97%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A;letter-spacing:.2pt">据,理想状态下,</span><span lang="EN-US" style="font-size:11.0pt;line-height:97%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A">&nbsp; </span><span lang="EN-US" style="font-size:11.0pt;line-height:97%; mso-fareast-font-family:Arial;color:#1A1A1A;letter-spacing:.1pt">TCP</span><span style="font-size:11.0pt;line-height:97%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A;letter-spacing:.15pt">连接⼀旦建⽴</span><span style="font-size:11.0pt;line-height:97%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A;letter-spacing:.2pt">,</span><span style="font-size:11.0pt;line-height:97%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A;letter-spacing:.15pt">在通信双⽅的任何⼀⽅主动关闭</span><span style="font-size:11.0pt;line-height:97%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A"> 连接前,<span lang="EN-US" style="letter-spacing:-1.25pt">&nbsp; </span></span><span lang="EN-US" style="font-size:11.0pt;line-height:97%;mso-fareast-font-family: Arial;color:#1A1A1A">TCP</span><span style="font-size:11.0pt;line-height:97%; font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑;color:#1A1A1A">连接都会⼀直保持下去。</span><span lang="EN-US" style="font-size:11.0pt;line-height:97%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:2.65pt;margin-right:280.1pt;margin-bottom: 0cm;margin-left:69.85pt;margin-bottom:.0001pt;text-indent:-22.8pt;line-height: 95%"><span lang="EN-US" style="font-size:11.0pt;line-height:95%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#393939;letter-spacing:.1pt">2. </span><span lang="EN-US" style="font-size:11.0pt;line-height:95%;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.1pt">TC</span><span lang="EN-US" style="font-size:11.0pt;line-height:95%;mso-fareast-font-family:Arial; color:#393939;letter-spacing:.05pt">P</span><span style="font-size:11.0pt; line-height:95%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.05pt">断开连接的过程</span><span style="font-size:11.0pt; line-height:95%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.15pt">。</span><span style="font-size:11.0pt; line-height:95%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939"> 四次挥⼿<span style="letter-spacing:-1.0pt">:</span></span><span lang="EN-US" style="font-size:11.0pt;line-height:95%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:1.25pt;margin-right:24.55pt;margin-bottom: 0cm;margin-left:69.4pt;margin-bottom:.0001pt;text-indent:.7pt;line-height:98%"><span lang="EN-US" style="font-size:11.0pt;line-height:98%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#1A1A1A;letter-spacing:.25pt">1</span><span lang="EN-US" style="font-size:11.0pt;line-height:98%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#1A1A1A;letter-spacing:.15pt">.</span><span lang="EN-US" style="font-size:11.0pt;line-height:98%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#1A1A1A;letter-spacing:.2pt"> </span><span style="font-size:11.0pt;line-height:98%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A;letter-spacing:.4pt">第⼀次挥⼿</span><span style="font-size:11.0pt;line-height:98%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A;letter-spacing:.5pt">:</span><span style="font-size:11.0pt;line-height:98%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A;letter-spacing:.4pt">主动关闭⽅发送</span><span lang="EN-US" style="font-size:11.0pt;line-height:98%;mso-fareast-font-family: Arial;color:#1A1A1A;letter-spacing:.15pt">f</span><span lang="EN-US" style="font-size:11.0pt;line-height:98%;mso-fareast-font-family:Arial; color:#1A1A1A;letter-spacing:.1pt">i</span><span lang="EN-US" style="font-size: 11.0pt;line-height:98%;mso-fareast-font-family:Arial;color:#1A1A1A;letter-spacing: .25pt">n</span><span style="font-size:11.0pt;line-height:98%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A;letter-spacing:.4pt">包到被动关闭⽅</span><span style="font-size:11.0pt;line-height:98%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A;letter-spacing:.5pt">,</span><span style="font-size:11.0pt;line-height:98%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A;letter-spacing:.4pt">告诉被动关闭⽅我</span><span style="font-size:11.0pt;line-height:98%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A"> <span style="letter-spacing:.2pt">不会再给你发</span><span style="letter-spacing:.15pt">送数据了</span><span style="letter-spacing:.2pt">;</span></span><span lang="EN-US" style="font-size:11.0pt;line-height:98%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:1.25pt;margin-right:24.25pt;margin-bottom: 0cm;margin-left:69.45pt;margin-bottom:.0001pt;line-height:98%"><span lang="EN-US" style="font-size:11.0pt;line-height:98%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#1A1A1A;letter-spacing:.25pt">2</span><span lang="EN-US" style="font-size:11.0pt;line-height:98%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#1A1A1A;letter-spacing:.15pt">.</span><span lang="EN-US" style="font-size:11.0pt;line-height:98%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#1A1A1A;letter-spacing:.2pt"> </span><span style="font-size:11.0pt;line-height:98%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A;letter-spacing:.4pt">第⼆次挥⼿</span><span style="font-size:11.0pt;line-height:98%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A;letter-spacing:.5pt">:</span><span style="font-size:11.0pt;line-height:98%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A;letter-spacing:.4pt">被动关闭⽅收到</span><span lang="EN-US" style="font-size:11.0pt;line-height:98%;mso-fareast-font-family: Arial;color:#1A1A1A;letter-spacing:.25pt">syn</span><span style="font-size: 11.0pt;line-height:98%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#1A1A1A;letter-spacing:.4pt">包</span><span style="font-size:11.0pt; line-height:98%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#1A1A1A;letter-spacing:.5pt">,</span><span style="font-size:11.0pt; line-height:98%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#1A1A1A;letter-spacing:.4pt">发送</span><span lang="EN-US" style="font-size: 11.0pt;line-height:98%;mso-fareast-font-family:Arial;color:#1A1A1A;letter-spacing: .25pt">ack</span><span style="font-size:11.0pt;line-height:98%;font-family: &quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑;color:#1A1A1A;letter-spacing:.4pt">给对⽅</span><span style="font-size:11.0pt;line-height:98%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A;letter-spacing:.5pt">,</span><span style="font-size:11.0pt;line-height:98%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A;letter-spacing:.4pt">确认序号为收</span><span style="font-size:11.0pt;line-height:98%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A"> <span style="letter-spacing:.1pt">到序号</span></span><span lang="EN-US" style="font-size:11.0pt;line-height:98%;mso-fareast-font-family: Arial;color:#1A1A1A;letter-spacing:.05pt">+1</span><span style="font-size:11.0pt; line-height:98%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#1A1A1A;letter-spacing:.15pt">;</span><span lang="EN-US" style="font-size: 11.0pt;line-height:98%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:1.25pt;text-indent:69.4pt;line-height: 100%"><span lang="EN-US" style="font-size:11.0pt;line-height:100%;font-family: &quot;Tahoma&quot;,sans-serif;mso-fareast-font-family:Tahoma;color:#1A1A1A;letter-spacing: .25pt">3</span><span lang="EN-US" style="font-size:11.0pt;line-height:100%; font-family:&quot;Tahoma&quot;,sans-serif;mso-fareast-font-family:Tahoma;color:#1A1A1A; letter-spacing:.15pt">. </span><span style="font-size:11.0pt;line-height:100%; font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑;color:#1A1A1A; letter-spacing:.45pt">第三次挥⼿:被动关闭⽅也也发送</span><span lang="EN-US" style="font-size: 11.0pt;line-height:100%;mso-fareast-font-family:Arial;color:#1A1A1A;letter-spacing: .15pt">fi</span><span lang="EN-US" style="font-size:11.0pt;line-height:100%; mso-fareast-font-family:Arial;color:#1A1A1A;letter-spacing:.25pt">n</span><span style="font-size:11.0pt;line-height:100%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A;letter-spacing:.45pt">包给</span><span style="font-size:11.0pt;line-height:100%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A;letter-spacing:.4pt">主动关闭⽅</span><span style="font-size:11.0pt;line-height:100%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A;letter-spacing:.45pt">,</span><span style="font-size:11.0pt;line-height:100%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A;letter-spacing:.4pt">告诉对⽅我也</span><span lang="EN-US" style="font-size:11.0pt;line-height:100%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> </div><p> <span lang="EN-US" style="font-size:10.5pt;font-family:&quot;Arial&quot;,sans-serif; mso-fareast-font-family:宋体;mso-fareast-theme-font:minor-fareast;mso-ansi-language: EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA;mso-no-proof:yes"><br clear="all" style="page-break-before:always;mso-break-type:section-break"> </span> </p><div class="WordSection5"> <p class="MsoNormal" style="line-height:137%"><span lang="EN-US">&nbsp;</span></p> <p class="MsoNormal" style="margin-top:4.7pt;text-indent:69.4pt;line-height:87%"><span style="font-size:11.0pt;line-height:87%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A;letter-spacing:.15pt">不会给你发送数据了</span><span style="font-size:11.0pt;line-height:87%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A;letter-spacing:.2pt">;</span><span lang="EN-US" style="font-size:11.0pt;line-height:87%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:1.35pt;margin-right:24.25pt;margin-bottom: 0cm;margin-left:69.3pt;margin-bottom:.0001pt;text-indent:-.2pt;line-height: 101%"><span lang="EN-US" style="font-size:11.0pt;line-height:101%;font-family: &quot;Tahoma&quot;,sans-serif;mso-fareast-font-family:Tahoma;color:#1A1A1A;letter-spacing: .3pt">4</span><span lang="EN-US" style="font-size:11.0pt;line-height:101%; font-family:&quot;Tahoma&quot;,sans-serif;mso-fareast-font-family:Tahoma;color:#1A1A1A; letter-spacing:.2pt">. </span><span style="font-size:11.0pt;line-height:101%; font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑;color:#1A1A1A; letter-spacing:.45pt">第四次</span><span style="font-size:11.0pt;line-height:101%; font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑;color:#1A1A1A; letter-spacing:.4pt">挥⼿</span><span style="font-size:11.0pt;line-height:101%; font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑;color:#1A1A1A; letter-spacing:.5pt">:</span><span style="font-size:11.0pt;line-height:101%; font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑;color:#1A1A1A; letter-spacing:.4pt">主动关闭⽅收到</span><span lang="EN-US" style="font-size:11.0pt; line-height:101%;mso-fareast-font-family:Arial;color:#1A1A1A;letter-spacing: .25pt">syn</span><span style="font-size:11.0pt;line-height:101%;font-family: &quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑;color:#1A1A1A;letter-spacing:.4pt">包</span><span style="font-size:11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A;letter-spacing:.5pt">,</span><span style="font-size:11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A;letter-spacing:.4pt">发送</span><span lang="EN-US" style="font-size:11.0pt;line-height:101%;mso-fareast-font-family: Arial;color:#1A1A1A;letter-spacing:.25pt">ack</span><span style="font-size: 11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family: 微软雅黑;color:#1A1A1A;letter-spacing:.4pt">给对⽅</span><span style="font-size:11.0pt; line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#1A1A1A;letter-spacing:.5pt">,</span><span style="font-size:11.0pt; line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#1A1A1A;letter-spacing:.4pt">⾄此</span><span style="font-size:11.0pt; line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#1A1A1A;letter-spacing:.5pt">,</span><span style="font-size:11.0pt; line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#1A1A1A;letter-spacing:.4pt">完成四</span><span style="font-size:11.0pt; line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#1A1A1A"> 次挥⼿<span style="letter-spacing:-.75pt">;</span></span><span lang="EN-US" style="font-size:11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="text-indent:24.7pt;line-height:97%"><b><span lang="EN-US" style="font-size:11.0pt;line-height:97%;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.1pt">8</span></b><b><span lang="EN-US" style="font-size:11.0pt;line-height:97%;mso-fareast-font-family:Arial; color:#393939;letter-spacing:.05pt">.</span></b><b><span lang="EN-US" style="font-size:11.0pt;line-height:97%;mso-fareast-font-family:Arial; color:#393939;letter-spacing:.1pt">H</span></b><b><span lang="EN-US" style="font-size:11.0pt;line-height:97%;mso-fareast-font-family:Arial; color:#393939;letter-spacing:.05pt">tt</span></b><b><span lang="EN-US" style="font-size:11.0pt;line-height:97%;mso-fareast-font-family:Arial; color:#393939;letter-spacing:.1pt">p</span></b><b><span lang="EN-US" style="font-size:11.0pt;line-height:97%;mso-fareast-font-family:Arial; color:#393939;letter-spacing:.05pt">s</span></b><span style="font-size:11.0pt; line-height:97%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.15pt">原理?</span><span lang="EN-US" style="font-size:11.0pt;line-height:97%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:2.25pt;text-indent:69.85pt;line-height: 87%"><span lang="EN-US" style="font-size:11.0pt;line-height:87%;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.15pt">HTTPS</span><span style="font-size: 11.0pt;line-height:87%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.2pt">协</span><span style="font-size:11.0pt; line-height:87%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.15pt">议就是基于</span><span lang="EN-US" style="font-size:11.0pt;line-height:87%;mso-fareast-font-family:Arial; color:#393939;letter-spacing:.1pt">SSL</span><span style="font-size:11.0pt; line-height:87%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.15pt">的</span><span lang="EN-US" style="font-size: 11.0pt;line-height:87%;mso-fareast-font-family:Arial;color:#393939;letter-spacing: .1pt">HTTP</span><span style="font-size:11.0pt;line-height:87%;font-family: &quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.15pt">协议</span><span lang="EN-US" style="font-size:11.0pt;line-height:87%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:2.65pt;text-indent:69.85pt;line-height: 85%"><span lang="EN-US" style="font-size:11.0pt;line-height:85%;mso-fareast-font-family: Arial;color:#393939">HTTPS</span><span style="font-size:11.0pt;line-height: 85%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑;color:#393939">使⽤与</span><span lang="EN-US" style="font-size:11.0pt;line-height:85%;mso-fareast-font-family: Arial;color:#393939">HTTP</span><span style="font-size:11.0pt;line-height:85%; font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑;color:#393939">不同的端⼝(</span><span lang="EN-US" style="font-size:11.0pt;line-height:85%;mso-fareast-font-family: Arial;color:#393939">HTTPM80</span><span style="font-size:11.0pt;line-height: 85%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑;color:#393939; letter-spacing:-.05pt">,</span><span lang="EN-US" style="font-size:11.0pt; line-height:85%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:-2.1pt">&nbsp;&nbsp; </span><span lang="EN-US" style="font-size:11.0pt;line-height:85%;mso-fareast-font-family: Arial;color:#393939">HTTPSM443</span><span style="font-size:11.0pt;line-height: 85%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑;color:#393939; letter-spacing:-.05pt">)</span><span lang="EN-US" style="font-size:11.0pt; line-height:85%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:3.05pt;margin-right:39.15pt;margin-bottom: 0cm;margin-left:69.25pt;margin-bottom:.0001pt;text-indent:.1pt;line-height: 109%"><span style="font-size:11.0pt;line-height:109%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.45pt">提供了身份验证与</span><span style="font-size:11.0pt;line-height:109%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.4pt">加密通信⽅法</span><span style="font-size:11.0pt;line-height:109%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.45pt">,</span><span style="font-size:11.0pt;line-height:109%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.4pt">被⼴泛⽤于互联⽹上安全敏感的通</span><span style="font-size:11.0pt;line-height:109%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939"> 信<span style="letter-spacing:-.6pt">。</span></span><span lang="EN-US" style="font-size:11.0pt;line-height:109%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:1.3pt;text-indent:24.0pt;line-height:316.4pt; mso-line-height-rule:exactly;vertical-align:middle"><span lang="EN-US"><!--[if gte vml 1]><v:shape id="IM_x0020_6" o:spid="_x0000_i1030" type="#_x0000_t75" style='width:297pt; height:316.8pt;visibility:visible;mso-wrap-style:square'> <v:imagedata src="file:///C:\Users\SEEHOP~1\AppData\Local\Temp\msohtmlclip1\01\clip_image007.jpg" o:title=""/> </v:shape><![endif]--><!--[if !vml]--><img width="396" height="422" src="file:///C:/Users/SEEHOP~1/AppData/Local/Temp/msohtmlclip1/01/clip_image007.jpg" v:shapes="IM_x0020_6"><!--[endif]--><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:10.3pt;margin-right:33.6pt;margin-bottom: 0cm;margin-left:91.9pt;margin-bottom:.0001pt;text-indent:.05pt;line-height: 101%"><span lang="EN-US" style="font-size:11.0pt;line-height:101%;mso-fareast-font-family: Arial;color:#1A1A1A;letter-spacing:.1pt">1 </span><span style="font-size:11.0pt; line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#1A1A1A;letter-spacing:.2pt">、</span><span style="font-size:11.0pt; line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#1A1A1A;letter-spacing:.15pt">客户端请求</span><span lang="EN-US" style="font-size:11.0pt;line-height:101%;mso-fareast-font-family:Arial; color:#1A1A1A;letter-spacing:.1pt">SSL</span><span style="font-size:11.0pt; line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#1A1A1A;letter-spacing:.15pt">连接</span><span style="font-size:11.0pt; line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#1A1A1A;letter-spacing:.2pt">,</span><span style="font-size:11.0pt; line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#1A1A1A;letter-spacing:.15pt">并将⾃⼰⽀持的加</span><span style="font-size:11.0pt; line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#1A1A1A;letter-spacing:.1pt">密规则发给⽹站</span><span style="font-size:11.0pt; line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#1A1A1A;letter-spacing:.2pt">。</span><span lang="EN-US" style="font-size: 11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family: 微软雅黑;color:#1A1A1A">&nbsp;&nbsp;&nbsp;&nbsp; </span><span lang="EN-US" style="font-size:11.0pt;line-height:101%;mso-fareast-font-family: Arial;color:#1A1A1A;letter-spacing:.2pt">2</span><span lang="EN-US" style="font-size:11.0pt;line-height:101%;mso-fareast-font-family:Arial; color:#1A1A1A;letter-spacing:.1pt"> </span><span style="font-size:11.0pt; line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#1A1A1A;letter-spacing:.3pt">、服务器端将⾃⼰的身份信息以证书形式</span><span style="font-size:11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A;letter-spacing:.25pt">发回给客户端</span><span style="font-size:11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A;letter-spacing:.3pt">。</span><span style="font-size:11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A;letter-spacing:.25pt">证书⾥</span><span style="font-size:11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A"> <span style="letter-spacing:.35pt">⾯包含了⽹站地址</span><span style="letter-spacing:.4pt">,</span><span style="letter-spacing:.35pt">加密公钥</span><span style="letter-spacing:.4pt">,</span><span style="letter-spacing:.35pt">以及</span><span style="letter-spacing:.3pt">证书的颁发机构</span><span style="letter-spacing:.4pt">。</span></span><span lang="EN-US" style="font-size:11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:.1pt;margin-right:181.95pt;margin-bottom: 0cm;margin-left:113.3pt;margin-bottom:.0001pt;text-indent:-21.25pt;line-height: 94%"><span lang="EN-US" style="font-size:11.0pt;line-height:94%;mso-fareast-font-family: Arial;color:#1A1A1A;letter-spacing:.25pt">3</span><span style="font-size:11.0pt; line-height:94%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#1A1A1A;letter-spacing:.45pt">、</span><span style="font-size:11.0pt; line-height:94%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#1A1A1A;letter-spacing:.4pt">获得</span><span style="font-size:11.0pt; line-height:94%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#1A1A1A;letter-spacing:.35pt">证书后</span><span style="font-size:11.0pt; line-height:94%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#1A1A1A;letter-spacing:.45pt">,</span><span style="font-size:11.0pt; line-height:94%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#1A1A1A;letter-spacing:.35pt">客户要做以下⼯作</span><span style="font-size:11.0pt; line-height:94%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#1A1A1A"> <span lang="EN-US" style="position:relative;top:-1.0pt; mso-text-raise:1.0pt"><!--[if gte vml 1]><v:shape id="IM_x0020_7" o:spid="_x0000_i1029" type="#_x0000_t75" style='width:4.8pt;height:4.8pt;visibility:visible; mso-wrap-style:square'> <v:imagedata src="file:///C:\Users\SEEHOP~1\AppData\Local\Temp\msohtmlclip1\01\clip_image008.png" o:title=""/> </v:shape><![endif]--><!--[if !vml]--><img width="6" height="6" src="file:///C:/Users/SEEHOP~1/AppData/Local/Temp/msohtmlclip1/01/clip_image009.gif" v:shapes="IM_x0020_7"><!--[endif]--></span><span lang="EN-US" style="letter-spacing: .15pt">&nbsp;&nbsp;</span><span style="letter-spacing: .4pt">验证证书合法性</span></span><span lang="EN-US" style="font-size:11.0pt;line-height: 94%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:2.7pt;margin-right:28.8pt;margin-bottom: 0cm;margin-left:114.35pt;margin-bottom:.0001pt;text-indent:-1.0pt;line-height: 101%"><span lang="EN-US" style="font-size:11.0pt;line-height:101%;font-family: &quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑;color:#1A1A1A;position:relative; top:-1.0pt;mso-text-raise:1.0pt"><!--[if gte vml 1]><v:shape id="IM_x0020_8" o:spid="_x0000_i1028" type="#_x0000_t75" style='width:4.8pt;height:4.8pt; visibility:visible;mso-wrap-style:square'> <v:imagedata src="file:///C:\Users\SEEHOP~1\AppData\Local\Temp\msohtmlclip1\01\clip_image010.png" o:title=""/> </v:shape><![endif]--><!--[if !vml]--><img width="6" height="6" src="file:///C:/Users/SEEHOP~1/AppData/Local/Temp/msohtmlclip1/01/clip_image011.gif" v:shapes="IM_x0020_8"><!--[endif]--></span><span lang="EN-US" style="font-size:11.0pt; line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#1A1A1A;letter-spacing:.15pt">&nbsp; </span><span style="font-size:11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A;letter-spacing:.45pt">如果证书受信任,客户端会⽣成</span><span style="font-size:11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A;letter-spacing:.4pt">⼀串随机数的密码</span><span style="font-size:11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A;letter-spacing:.45pt">,</span><span style="font-size:11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A;letter-spacing:.4pt">并⽤证</span><span style="font-size:11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A"> <span style="letter-spacing:.25pt">书提供的公</span><span style="letter-spacing:.2pt">钥进⾏加密</span><span style="letter-spacing:.25pt">。</span></span><span lang="EN-US" style="font-size:11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="text-indent:113.35pt;line-height:87%"><span lang="EN-US" style="font-size:11.0pt;line-height:87%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A;position:relative;top:-1.0pt; mso-text-raise:1.0pt"><!--[if gte vml 1]><v:shape id="IM_x0020_9" o:spid="_x0000_i1027" type="#_x0000_t75" style='width:4.8pt;height:4.8pt;visibility:visible; mso-wrap-style:square'> <v:imagedata src="file:///C:\Users\SEEHOP~1\AppData\Local\Temp\msohtmlclip1\01\clip_image012.png" o:title=""/> </v:shape><![endif]--><!--[if !vml]--><img width="6" height="6" src="file:///C:/Users/SEEHOP~1/AppData/Local/Temp/msohtmlclip1/01/clip_image013.gif" v:shapes="IM_x0020_9"><!--[endif]--></span><span lang="EN-US" style="font-size:11.0pt; line-height:87%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#1A1A1A;letter-spacing:.15pt">&nbsp; </span><span style="font-size:11.0pt;line-height:87%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A;letter-spacing:.35pt">将加密好</span><span style="font-size:11.0pt;line-height:87%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A;letter-spacing:.3pt">的随机数发给服务器</span><span style="font-size:11.0pt;line-height:87%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A;letter-spacing:.35pt">。</span><span lang="EN-US" style="font-size:11.0pt;line-height:87%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:2.7pt;text-indent:91.95pt;line-height: 87%"><span lang="EN-US" style="font-size:11.0pt;line-height:87%;mso-fareast-font-family: Arial;color:#1A1A1A;letter-spacing:.2pt">4</span><span lang="EN-US" style="font-size:11.0pt;line-height:87%;mso-fareast-font-family:Arial; color:#1A1A1A;letter-spacing:.1pt"> </span><span style="font-size:11.0pt; line-height:87%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#1A1A1A;letter-spacing:.35pt">、</span><span style="font-size:11.0pt; line-height:87%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#1A1A1A;letter-spacing:.3pt">获得到客户端发的加密了的随机数之后</span><span style="font-size:11.0pt;line-height:87%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A;letter-spacing:.35pt">,</span><span style="font-size:11.0pt;line-height:87%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A;letter-spacing:.3pt">服</span><span style="font-size:11.0pt;line-height:87%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A;letter-spacing:.25pt">务器⽤⾃⼰的私钥</span><span lang="EN-US" style="font-size:11.0pt;line-height:87%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> </div><p> <span lang="EN-US" style="font-size:10.5pt;font-family:&quot;Arial&quot;,sans-serif; mso-fareast-font-family:宋体;mso-fareast-theme-font:minor-fareast;mso-ansi-language: EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA;mso-no-proof:yes"><br clear="all" style="page-break-before:always;mso-break-type:section-break"> </span> </p><div class="WordSection6"> <p class="MsoNormal" style="line-height:139%"><span lang="EN-US">&nbsp;</span></p> <p class="MsoNormal" style="margin-top:4.7pt;margin-right:29.6pt;margin-bottom: 0cm;margin-left:91.8pt;margin-bottom:.0001pt;text-indent:.15pt;line-height: 101%"><span style="font-size:11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A;letter-spacing:.35pt">进⾏解密</span><span style="font-size:11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A;letter-spacing:.45pt">,</span><span style="font-size:11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A;letter-spacing:.35pt">得到这个随机数</span><span style="font-size:11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A;letter-spacing:.4pt">,</span><span style="font-size:11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A;letter-spacing:.35pt">把这个随机数作为对称加密的密钥</span><span style="font-size:11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A;letter-spacing:.4pt">。</span><span style="font-size:11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A"> <span style="letter-spacing:.3pt">(</span> <u><span style="letter-spacing:.25pt">利⽤⾮对称加密传输对称加密的密钥</span></u><span style="letter-spacing:.3pt">)</span><span lang="EN-US">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span><span lang="EN-US" style="font-size:11.0pt;line-height:101%;mso-fareast-font-family: Arial;color:#1A1A1A;letter-spacing:.2pt">5</span><span lang="EN-US" style="font-size:11.0pt;line-height:101%;mso-fareast-font-family:Arial; color:#1A1A1A;letter-spacing:.1pt"> </span><span style="font-size:11.0pt; line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#1A1A1A;letter-spacing:.3pt">、之后服务器与客户之间就可以</span><span style="font-size: 11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family: 微软雅黑;color:#1A1A1A;letter-spacing:.25pt">⽤随机数对各⾃的信息进⾏加</span><span lang="EN-US" style="font-size:11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A">&nbsp;&nbsp;&nbsp;&nbsp; </span><span style="font-size:11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A">密,解密。</span><span lang="EN-US" style="font-size:11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:.1pt;margin-right:28.15pt;margin-bottom: 0cm;margin-left:91.7pt;margin-bottom:.0001pt;text-indent:.2pt;line-height:101%"><span style="font-size:11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A;letter-spacing:.4pt">注意的是</span><span style="font-size:11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A;letter-spacing:.5pt">:</span><span style="font-size:11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A;letter-spacing:.4pt">证书是⼀个公钥</span><span style="font-size:11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A;letter-spacing:.5pt">,</span><span style="font-size:11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A;letter-spacing:.4pt">这个公钥是进⾏加密⽤的</span><span style="font-size:11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A;letter-spacing:.45pt">。</span><span style="font-size:11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A;letter-spacing:.4pt">⽽私钥是</span><span style="font-size:11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A"> <span style="letter-spacing:.45pt">进⾏解</span><span style="letter-spacing:.4pt">密⽤的</span><span style="letter-spacing:.5pt">。</span><span style="letter-spacing:.4pt">公钥任何都知道</span><span style="letter-spacing:.5pt">,</span><span style="letter-spacing:.4pt">私钥只有⾃⼰知道</span><span style="letter-spacing:.5pt">。</span><span style="letter-spacing:.4pt">这是⾮对称</span> 加密<span style="letter-spacing:-.55pt">。</span></span><span lang="EN-US" style="font-size:11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:.05pt;text-indent:91.9pt;line-height:87%"><span style="font-size:11.0pt;line-height:87%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A;letter-spacing:.35pt">⽽对称加密就是钥</span><span style="font-size:11.0pt;line-height:87%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A;letter-spacing:.3pt">匙只有⼀把</span><span style="font-size:11.0pt;line-height:87%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A;letter-spacing:.35pt">,</span><span style="font-size:11.0pt;line-height:87%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A;letter-spacing:.3pt">我们都知道</span><span style="font-size:11.0pt;line-height:87%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A;letter-spacing:.35pt">。</span><span lang="EN-US" style="font-size:11.0pt;line-height:87%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:2.65pt;margin-right:28.15pt;margin-bottom: 0cm;margin-left:92.2pt;margin-bottom:.0001pt;text-indent:-.15pt;line-height: 109%"><span style="font-size:11.0pt;line-height:109%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A;letter-spacing:.2pt">之所以⽤到对称加密,是因为</span><span style="font-size:11.0pt;line-height:109%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A;letter-spacing:.1pt"> <u>&nbsp;</u></span><u><span style="font-size:11.0pt; line-height:109%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#1A1A1A;letter-spacing:.15pt">对称加密的速度更快</span></u><u><span style="font-size:11.0pt;line-height:109%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A;letter-spacing:.2pt">。</span></u><u><span style="font-size:11.0pt;line-height:109%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A;letter-spacing:.15pt">⽽⾮对称加密</span></u><span style="font-size:11.0pt;line-height:109%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#1A1A1A"> <u>的可靠性更⾼<span style="letter-spacing: -5.05pt">。</span><span lang="EN-US">&nbsp; </span></u></span><span lang="EN-US" style="font-size:11.0pt;line-height:109%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:14.95pt;margin-right:29.25pt;margin-bottom: 0cm;margin-left:91.75pt;margin-bottom:.0001pt;line-height:101%"><u><span style="font-size:11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#DF402A;letter-spacing:.4pt">客户端请求</span></u><u><span lang="EN-US" style="font-size:11.0pt;line-height:101%;mso-fareast-font-family: Arial;color:#DF402A;letter-spacing:.15pt">--</span></u><u><span style="font-size:11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#DF402A;letter-spacing:.4pt">服务端发送证书</span></u><u><span style="font-size:11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#DF402A;letter-spacing:.35pt">(公钥</span></u><u><span style="font-size:11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#DF402A;letter-spacing:.4pt">)</span></u><u><span lang="EN-US" style="font-size:11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#DF402A">&nbsp; </span></u><u><span lang="EN-US" style="font-size:11.0pt;line-height:101%; mso-fareast-font-family:Arial;color:#DF402A;letter-spacing:.1pt">--</span></u><u><span style="font-size:11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#DF402A;letter-spacing:.35pt">客户端验证证书</span></u><u><span style="font-size:11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#DF402A;letter-spacing:.4pt">,</span></u><u><span style="font-size:11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#DF402A;letter-spacing:.35pt">并⽣成</span></u><span style="font-size:11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#DF402A"> <u><span style="letter-spacing:.55pt">随机数,通过</span><span style="letter-spacing:.5pt">公钥加密后发送给服务端</span></u></span><u><span lang="EN-US" style="font-size:11.0pt;line-height:101%;mso-fareast-font-family:Arial; color:#DF402A;letter-spacing:.15pt">--</span></u><u><span style="font-size: 11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family: 微软雅黑;color:#DF402A;letter-spacing:.5pt">服务端⽤私钥解密出随机</span></u><span style="font-size:11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#DF402A"> <u>数</u></span><u><span lang="EN-US" style="font-size:11.0pt;line-height:101%;mso-fareast-font-family:Arial; color:#DF402A">--</span></u><u><span style="font-size:11.0pt;line-height:101%; font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑;color:#DF402A">对称加密传输数据<span style="letter-spacing:-.25pt">。</span><span lang="EN-US">&nbsp; </span></span></u><span lang="EN-US" style="font-size:11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="text-indent:24.7pt"><b><span lang="EN-US" style="font-size:11.0pt;mso-fareast-font-family:Arial;color:#393939;letter-spacing: .2pt">9</span></b><b><span lang="EN-US" style="font-size:11.0pt;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.1pt">.</span></b><b><span lang="EN-US" style="font-size:11.0pt;mso-fareast-font-family:Arial;color:#393939;letter-spacing: .25pt">R</span></b><b><span lang="EN-US" style="font-size:11.0pt;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.2pt">ed</span></b><b><span lang="EN-US" style="font-size:11.0pt;mso-fareast-font-family:Arial;color:#393939;letter-spacing: .1pt">i</span></b><b><span lang="EN-US" style="font-size:11.0pt;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.2pt">s</span></b><span style="font-size: 11.0pt;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑;color:#393939; letter-spacing:.35pt">的</span><span style="font-size:11.0pt;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.3pt">数据类型有哪些?与</span><b><span lang="EN-US" style="font-size:11.0pt;mso-fareast-font-family:Arial;color:#393939; letter-spacing:.25pt">M</span></b><b><span lang="EN-US" style="font-size:11.0pt; mso-fareast-font-family:Arial;color:#393939;letter-spacing:.15pt">e</span></b><b><span lang="EN-US" style="font-size:11.0pt;mso-fareast-font-family:Arial;color:#393939; letter-spacing:.25pt">m</span></b><b><span lang="EN-US" style="font-size:11.0pt; mso-fareast-font-family:Arial;color:#393939;letter-spacing:.15pt">cached</span></b><span style="font-size:11.0pt;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family: 微软雅黑;color:#393939;letter-spacing:.3pt">的区别?</span><span lang="EN-US" style="font-size:11.0pt;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family: 微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:.35pt;text-indent:47.45pt"><span lang="EN-US" style="font-size:11.0pt;mso-fareast-font-family:Arial;color:#393939; letter-spacing:.2pt">R</span><span lang="EN-US" style="font-size:11.0pt; mso-fareast-font-family:Arial;color:#393939;letter-spacing:.15pt">ed</span><span lang="EN-US" style="font-size:11.0pt;mso-fareast-font-family:Arial;color:#393939; letter-spacing:.1pt">i</span><span lang="EN-US" style="font-size:11.0pt; mso-fareast-font-family:Arial;color:#393939;letter-spacing:.15pt">s</span><span style="font-size:11.0pt;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family: 微软雅黑;color:#393939;letter-spacing:.2pt">⽬前⽀持</span><span lang="EN-US" style="font-size:11.0pt;mso-fareast-font-family:Arial;color:#393939;letter-spacing: .1pt">5</span><span style="font-size:11.0pt;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.2pt">种数据类型</span><span style="font-size:11.0pt;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family: 微软雅黑;color:#393939;letter-spacing:.25pt">,</span><span style="font-size:11.0pt; font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑;color:#393939; letter-spacing:.2pt">分别是</span><span style="font-size:11.0pt;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.25pt">:</span><span lang="EN-US" style="font-size:11.0pt;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family: 微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:1.7pt;text-indent:69.5pt;line-height:94%"><span lang="EN-US" style="font-size:11.0pt;line-height:94%;mso-fareast-font-family: Arial;color:#393939">String<span style="letter-spacing:-.05pt"> </span>&nbsp;</span><span style="font-size:11.0pt; line-height:94%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939">(字符串<span style="letter-spacing:-3.3pt">)</span></span><span lang="EN-US" style="font-size:11.0pt;line-height:94%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:.05pt;text-indent:69.85pt;line-height: 98%"><span lang="EN-US" style="font-size:11.0pt;line-height:98%;mso-fareast-font-family: Arial;color:#393939">List<span style="letter-spacing:-.05pt"> </span>&nbsp;</span><span style="font-size:11.0pt; line-height:98%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939">(列表<span style="letter-spacing:-4.35pt">)</span></span><span lang="EN-US" style="font-size:11.0pt;line-height:98%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:2.05pt;text-indent:69.85pt;line-height: 85%"><span lang="EN-US" style="font-size:11.0pt;line-height:85%;mso-fareast-font-family: Arial;color:#393939">Hash&nbsp; </span><span style="font-size:11.0pt;line-height:85%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939">(字典<span style="letter-spacing:-4.9pt">)</span></span><span lang="EN-US" style="font-size:11.0pt;line-height:85%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:3.05pt;text-indent:69.5pt;line-height: 85%"><span lang="EN-US" style="font-size:11.0pt;line-height:85%;mso-fareast-font-family: Arial;color:#393939">Set<span style="letter-spacing:-.05pt"> </span>&nbsp;</span><span style="font-size:11.0pt; line-height:85%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939">(集合<span style="letter-spacing:-4.65pt">)</span></span><span lang="EN-US" style="font-size:11.0pt;line-height:85%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:1.6pt;text-indent:69.5pt;line-height:20.6pt; mso-line-height-rule:exactly"><span lang="EN-US" style="font-size:11.0pt; mso-fareast-font-family:Arial;color:#393939;position:relative;top:-5.0pt; mso-text-raise:5.0pt">Sorted<span style="letter-spacing:-.05pt"> </span>Set&nbsp; </span><span style="font-size:11.0pt; font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑;color:#393939; position:relative;top:-5.0pt;mso-text-raise:5.0pt">(有序集合<span style="letter-spacing: -2.1pt">)</span></span><span lang="EN-US" style="font-size:11.0pt;font-family: &quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:.05pt;text-indent:47.75pt;line-height: 87%"><span style="font-size:11.0pt;line-height:87%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:-.2pt">区</span><span style="font-size:11.0pt;line-height:87%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:-.15pt">别</span><span lang="EN-US" style="font-size:11.0pt;line-height:87%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:.95pt;text-indent:53.85pt;line-height: 89%"><span lang="EN-US" style="font-size:10.0pt;line-height:89%;font-family:&quot;Courier New&quot;; mso-fareast-font-family:&quot;Courier New&quot;;color:#555555;letter-spacing:.15pt">1</span><span style="font-size:10.0pt;line-height:89%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#555555;letter-spacing:.25pt">、</span><span lang="EN-US" style="font-size:10.0pt;line-height:89%;font-family:&quot;Courier New&quot;; mso-fareast-font-family:&quot;Courier New&quot;;color:#555555;letter-spacing:.15pt">memcache</span><span style="font-size:10.0pt;line-height:89%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#555555;letter-spacing:.2pt">⽀</span><span style="font-size:10.0pt;line-height:89%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#555555;letter-spacing:.15pt">持</span><span lang="EN-US" style="font-size:10.0pt;line-height:89%;font-family:&quot;Courier New&quot;; mso-fareast-font-family:&quot;Courier New&quot;;color:#555555;letter-spacing:.1pt">k/v</span><span style="font-size:10.0pt;line-height:89%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#555555;letter-spacing:.15pt">类型数据</span><span style="font-size:10.0pt;line-height:89%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#555555;letter-spacing:.25pt">;</span><span lang="EN-US" style="font-size:10.0pt;line-height:89%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:2.25pt;margin-right:33.75pt;margin-bottom: 0cm;margin-left:24.85pt;margin-bottom:.0001pt;text-indent:28.65pt;line-height: 102%"><span lang="EN-US" style="font-size:10.0pt;line-height:102%;font-family: &quot;Courier New&quot;;mso-fareast-font-family:&quot;Courier New&quot;;color:#555555;letter-spacing: .05pt">2</span><span style="font-size:10.0pt;line-height:102%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#555555;letter-spacing:.05pt">、</span><span lang="EN-US" style="font-size:10.0pt;line-height:102%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#555555">&nbsp; </span><span lang="EN-US" style="font-size:10.0pt;line-height:102%; font-family:&quot;Courier New&quot;;mso-fareast-font-family:&quot;Courier New&quot;;color:#555555; letter-spacing:.05pt">redis</span><span style="font-size:10.0pt;line-height: 102%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑;color:#555555; letter-spacing:.05pt">除了缓存</span><span lang="EN-US" style="font-size:10.0pt; line-height:102%;font-family:&quot;Courier New&quot;;mso-fareast-font-family:&quot;Courier New&quot;; color:#555555;letter-spacing:.05pt">k/v</span><span style="font-size:10.0pt; line-height:102%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#555555;letter-spacing:.05pt">类型数据之外,还能缓存</span><span lang="EN-US" style="font-size:10.0pt;line-height:102%;font-family:&quot;Courier New&quot;;mso-fareast-font-family: &quot;Courier New&quot;;color:#555555;letter-spacing:.05pt">list</span><span style="font-size:10.0pt;line-height:102%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#555555;letter-spacing:.05pt">、</span><span lang="EN-US" style="font-size:10.0pt;line-height:102%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#555555">&nbsp; </span><span lang="EN-US" style="font-size:10.0pt;line-height:102%; font-family:&quot;Courier New&quot;;mso-fareast-font-family:&quot;Courier New&quot;;color:#555555; letter-spacing:.05pt">set</span><span style="font-size:10.0pt;line-height:102%; font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑;color:#555555; letter-spacing:.05pt">、</span><span lang="EN-US" style="font-size:10.0pt; line-height:102%;font-family:&quot;Courier New&quot;;mso-fareast-font-family:&quot;Courier New&quot;; color:#555555;letter-spacing:.05pt">h</span><span lang="EN-US" style="font-size: 10.0pt;line-height:102%;font-family:&quot;Courier New&quot;;mso-fareast-font-family:&quot;Courier New&quot;; color:#555555">ash</span><span style="font-size:10.0pt;line-height:102%; font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑;color:#555555">等数据结构 的数据<span style="letter-spacing:-.95pt">;</span></span><span lang="EN-US" style="font-size: 10.0pt;line-height:102%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family: 微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:.1pt;margin-right:25.4pt;margin-bottom: 0cm;margin-left:24.1pt;margin-bottom:.0001pt;text-indent:29.55pt;line-height: 102%"><span lang="EN-US" style="font-size:10.0pt;line-height:102%;font-family: &quot;Courier New&quot;;mso-fareast-font-family:&quot;Courier New&quot;;color:#555555;letter-spacing: .15pt">3.redis</span><span style="font-size:10.0pt;line-height:102%;font-family: &quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑;color:#555555;letter-spacing:.25pt">的持久化</span><span style="font-size:10.0pt;line-height:102%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#555555;letter-spacing:.1pt"> </span><span lang="EN-US" style="font-size:10.0pt;line-height:102%;font-family:&quot;Courier New&quot;; mso-fareast-font-family:&quot;Courier New&quot;;color:#555555;letter-spacing:.15pt">,</span><span style="font-size:10.0pt;line-height:102%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#555555;letter-spacing:.25pt">事务</span><span lang="EN-US" style="font-size:10.0pt;line-height:102%;font-family:&quot;Courier New&quot;; mso-fareast-font-family:&quot;Courier New&quot;;color:#555555;letter-spacing:.15pt">,master/</span><span lang="EN-US" style="font-size:10.0pt;line-height:102%;font-family:&quot;Courier New&quot;; mso-fareast-font-family:&quot;Courier New&quot;;color:#555555;letter-spacing:.1pt">salver</span><span style="font-size:10.0pt;line-height:102%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#555555;letter-spacing:.2pt">这些虽然也是</span><span lang="EN-US" style="font-size:10.0pt;line-height:102%;font-family:&quot;Courier New&quot;; mso-fareast-font-family:&quot;Courier New&quot;;color:#555555;letter-spacing:.1pt">redis</span><span style="font-size:10.0pt;line-height:102%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#555555;letter-spacing:.2pt">的优势</span><span style="font-size:10.0pt;line-height:102%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#555555;letter-spacing:.1pt"> </span><span lang="EN-US" style="font-size:10.0pt;line-height:102%;font-family:&quot;Courier New&quot;; mso-fareast-font-family:&quot;Courier New&quot;;color:#555555;letter-spacing:.1pt">,</span><span style="font-size:10.0pt;line-height:102%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#555555;letter-spacing:.2pt">但实际应</span><span style="font-size:10.0pt;line-height:102%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#555555"> <span style="letter-spacing:.2pt">⽤中发现这些其实是会托累服务器的性能</span><span style="letter-spacing:.1pt"> </span></span><span lang="EN-US" style="font-size: 10.0pt;line-height:102%;font-family:&quot;Courier New&quot;;mso-fareast-font-family:&quot;Courier New&quot;; color:#555555;letter-spacing:.15pt">,</span><span style="font-size:10.0pt; line-height:102%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#555555;letter-spacing:.15pt">⽽我们全部都不能⽤</span><span style="font-size: 10.0pt;line-height:102%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family: 微软雅黑;color:#555555;letter-spacing:.1pt"> </span><span lang="EN-US" style="font-size:10.0pt;line-height:102%;font-family:&quot;Courier New&quot;;mso-fareast-font-family: &quot;Courier New&quot;;color:#555555;letter-spacing:.1pt">.</span><span style="font-size:10.0pt;line-height:102%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#555555;letter-spacing:.15pt">我们得⾃已做</span><span style="font-size:10.0pt;line-height:102%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#555555;letter-spacing:.2pt">;</span><span lang="EN-US" style="font-size:10.0pt;line-height:102%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#555555">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span><span lang="EN-US" style="font-size:10.0pt;line-height:102%;font-family:&quot;Courier New&quot;;mso-fareast-font-family: &quot;Courier New&quot;;color:#555555;letter-spacing:.1pt">memcached</span><span style="font-size:10.0pt;line-height:102%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#555555;letter-spacing:.15pt">以上都不管</span><span style="font-size:10.0pt;line-height:102%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#555555;letter-spacing:.1pt"> </span><span lang="EN-US" style="font-size:10.0pt;line-height:102%;font-family:&quot;Courier New&quot;; mso-fareast-font-family:&quot;Courier New&quot;;color:#555555;letter-spacing:.1pt">,</span><span style="font-size:10.0pt;line-height:102%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#555555;letter-spacing:.1pt">我们也得⾃已做</span><span style="font-size:10.0pt;line-height:102%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#555555;letter-spacing:.2pt">;</span><span lang="EN-US" style="font-size:10.0pt;line-height:102%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:.05pt;margin-right:29.6pt;margin-bottom: 0cm;margin-left:24.4pt;margin-bottom:.0001pt;text-indent:29.35pt;line-height: 105%"><span lang="EN-US" style="font-size:10.0pt;line-height:105%;font-family: &quot;Courier New&quot;;mso-fareast-font-family:&quot;Courier New&quot;;color:#555555;letter-spacing: .2pt">4.</span><u><span style="font-size:10.0pt;line-height:105%;font-family: &quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑;color:#555555;letter-spacing:.3pt">如果需要在服务器端做⼀些聚合的运算</span></u><u><span style="font-size:10.0pt;line-height:105%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#555555;letter-spacing:.1pt"> </span></u><u><span lang="EN-US" style="font-size:10.0pt;line-height:105%;font-family:&quot;Courier New&quot;; mso-fareast-font-family:&quot;Courier New&quot;;color:#555555;letter-spacing:.2pt">,</span></u><u><span style="font-size:10.0pt;line-height:105%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#555555;letter-spacing:.3pt">⽤</span></u><u><span lang="EN-US" style="font-size:10.0pt;line-height:105%;font-family:&quot;Courier New&quot;; mso-fareast-font-family:&quot;Courier New&quot;;color:#555555;letter-spacing:.2pt">redis</span></u><span style="font-size:10.0pt;line-height:105%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#555555;letter-spacing:.35pt">;</span><span style="font-size:10.0pt;line-height:105%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#555555;letter-spacing:.3pt">如果只是做</span><span style="font-size:10.0pt;line-height:105%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#555555;letter-spacing:.25pt">缓存</span><span lang="EN-US" style="font-size:10.0pt;line-height:105%;font-family:&quot;Courier New&quot;; mso-fareast-font-family:&quot;Courier New&quot;;color:#555555;letter-spacing:.15pt">,redis</span><span style="font-size:10.0pt;line-height:105%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#555555;letter-spacing:.25pt">虽</span><span style="font-size:10.0pt;line-height:105%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#555555"> <span style="letter-spacing:.15pt">然可以</span><span style="letter-spacing:.1pt"> </span></span><span lang="EN-US" style="font-size: 10.0pt;line-height:105%;font-family:&quot;Courier New&quot;;mso-fareast-font-family:&quot;Courier New&quot;; color:#555555;letter-spacing:.1pt">,</span><span style="font-size:10.0pt; line-height:105%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#555555;letter-spacing:.15pt">但性能很差</span><span style="font-size:10.0pt; line-height:105%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#555555;letter-spacing:.1pt"> </span><span lang="EN-US" style="font-size: 10.0pt;line-height:105%;font-family:&quot;Courier New&quot;;mso-fareast-font-family:&quot;Courier New&quot;; color:#555555;letter-spacing:.1pt">.</span><span style="font-size:10.0pt; line-height:105%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#555555;letter-spacing:.15pt">在要求⾼性能的环境下使⽤</span><span lang="EN-US" style="font-size:10.0pt;line-height:105%;font-family:&quot;Courier New&quot;;mso-fareast-font-family: &quot;Courier New&quot;;color:#555555;letter-spacing:.05pt">memcached</span><span style="font-size:10.0pt;line-height:105%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#555555;letter-spacing:.1pt">更合适</span><span style="font-size:10.0pt;line-height:105%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#555555;letter-spacing:.15pt">;</span><span lang="EN-US" style="font-size:10.0pt;line-height:105%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#555555">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span><b><span lang="EN-US" style="font-size:11.0pt;line-height:105%;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.2pt">10</span></b><b><span lang="EN-US" style="font-size:11.0pt;line-height:105%;mso-fareast-font-family:Arial; color:#393939;letter-spacing:.1pt">.</span></b><span style="font-size:11.0pt; line-height:105%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.3pt">消息队列有⽤到</span><span style="font-size:11.0pt; line-height:105%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.25pt">吗?具体在项⽬中是怎么⽤的?如何保证消息的可靠传递?</span><span lang="EN-US" style="font-size:11.0pt;line-height:105%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="text-indent:46.9pt;line-height:87%"><span style="font-size:11.0pt;line-height:87%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.05pt">详⻅<span lang="EN-US">“</span>⾯试题库</span><span lang="EN-US" style="font-size:11.0pt; line-height:87%;mso-fareast-font-family:Arial;color:#393939;letter-spacing: .05pt">/Rab</span><span lang="EN-US" style="font-size:11.0pt;line-height:87%; mso-fareast-font-family:Arial;color:#393939">bitMQ</span><span lang="EN-US" style="font-size:11.0pt;line-height:87%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939">”</span><span lang="EN-US" style="font-size:11.0pt;line-height:87%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> </div><p> <span lang="EN-US" style="font-size:10.5pt;font-family:&quot;Arial&quot;,sans-serif; mso-fareast-font-family:宋体;mso-fareast-theme-font:minor-fareast;mso-ansi-language: EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA;mso-no-proof:yes"><br clear="all" style="page-break-before:always;mso-break-type:section-break"> </span> </p><div class="WordSection7"> <p class="MsoNormal" style="line-height:136%"><span lang="EN-US">&nbsp;</span></p> <p class="MsoNormal" style="line-height:136%"><span lang="EN-US">&nbsp;</span></p> <p class="MsoNormal" style="margin-top:4.7pt;text-indent:28.0pt;line-height:99%"><span lang="EN-US" style="font-size:11.0pt;line-height:99%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#999999;position:relative;top:5.5pt;mso-text-raise: -5.5pt"><!--[if gte vml 1]><v:shape id="IM_x0020_10" o:spid="_x0000_i1026" type="#_x0000_t75" style='width:2.4pt;height:19.2pt;visibility:visible; mso-wrap-style:square'> <v:imagedata src="file:///C:\Users\SEEHOP~1\AppData\Local\Temp\msohtmlclip1\01\clip_image014.png" o:title=""/> </v:shape><![endif]--><!--[if !vml]--><img width="3" height="26" src="file:///C:/Users/SEEHOP~1/AppData/Local/Temp/msohtmlclip1/01/clip_image015.gif" v:shapes="IM_x0020_10"><!--[endif]--></span><span lang="EN-US" style="font-size:11.0pt; line-height:99%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#999999;letter-spacing:-.65pt">&nbsp;&nbsp;&nbsp; </span><span lang="EN-US" style="font-size:11.0pt;line-height:99%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#999999;letter-spacing:-.15pt">030</span><span lang="EN-US" style="font-size:11.0pt;line-height:99%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#999999;letter-spacing:-.1pt">4</span><span lang="EN-US" style="font-size:11.0pt;line-height:99%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#999999;letter-spacing:-.65pt"> </span><span style="font-size:11.0pt;line-height:99%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#999999;letter-spacing:-.15pt">乐信</span><span lang="EN-US" style="font-size:11.0pt;line-height:99%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:.05pt;text-indent:28.0pt;line-height:99%"><span lang="EN-US" style="font-size:11.0pt;line-height:99%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#999999;position:relative;top:5.5pt;mso-text-raise: -5.5pt"><!--[if gte vml 1]><v:shape id="IM_x0020_11" o:spid="_x0000_i1025" type="#_x0000_t75" style='width:2.4pt;height:19.2pt;visibility:visible; mso-wrap-style:square'> <v:imagedata src="file:///C:\Users\SEEHOP~1\AppData\Local\Temp\msohtmlclip1\01\clip_image016.jpg" o:title=""/> </v:shape><![endif]--><!--[if !vml]--><img width="3" height="26" src="file:///C:/Users/SEEHOP~1/AppData/Local/Temp/msohtmlclip1/01/clip_image017.jpg" v:shapes="IM_x0020_11"><!--[endif]--></span><span lang="EN-US" style="font-size:11.0pt; line-height:99%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#999999;letter-spacing:-.65pt">&nbsp;&nbsp; </span><span lang="EN-US" style="font-size:11.0pt;line-height:99%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#999999;letter-spacing:-.6pt">&nbsp;</span><span style="font-size:11.0pt; line-height:99%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#999999;letter-spacing:-.1pt">微服务框架⽤的</span><span lang="EN-US" style="font-size:11.0pt;line-height:99%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#999999;letter-spacing:-.05pt">dubbo</span><span lang="EN-US" style="font-size:11.0pt;line-height:99%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:1.5pt;margin-right:80.05pt;margin-bottom: 0cm;margin-left:69.4pt;margin-bottom:.0001pt;text-indent:-21.75pt;line-height: 99%"><span lang="EN-US" style="font-size:11.0pt;line-height:99%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#393939;letter-spacing:.1pt">1. </span><span style="font-size:11.0pt;line-height:99%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.15pt">说说</span><span lang="EN-US" style="font-size:11.0pt;line-height:99%;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.1pt">java</span><span style="font-size: 11.0pt;line-height:99%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.15pt">集合,每个集合下⾯有哪</span><span style="font-size: 11.0pt;line-height:99%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.1pt">些实现类</span><span style="font-size:11.0pt; line-height:99%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.15pt">,</span><span style="font-size:11.0pt; line-height:99%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.1pt">及其数据结构?</span><span lang="EN-US" style="font-size:11.0pt;line-height:99%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939">&nbsp;&nbsp; </span><span style="font-size:11.0pt;line-height:99%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.55pt">深⼊理解这篇:</span><span lang="EN-US" style="font-size:11.0pt;line-height:99%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939">&nbsp; </span><u><span lang="EN-US" style="font-size:11.0pt;line-height:99%; color:#003884;letter-spacing:.3pt"><a href="https://www.jianshu.com/p/63e76826e852"><span style="mso-fareast-font-family: Arial;color:#003884">h</span><span style="mso-fareast-font-family:Arial; color:#003884;letter-spacing:.2pt">tt</span><span style="mso-fareast-font-family: Arial;color:#003884">ps</span><span style="mso-fareast-font-family:Arial; color:#003884;letter-spacing:.2pt">://</span><span style="mso-fareast-font-family: Arial;color:#003884;letter-spacing:.4pt">www</span><span style="mso-fareast-font-family: Arial;color:#003884;letter-spacing:.2pt">.</span><span style="mso-fareast-font-family: Arial;color:#003884;letter-spacing:.15pt">ji</span><span style="mso-fareast-font-family: Arial;color:#003884">anshu</span><span style="mso-fareast-font-family:Arial; color:#003884;letter-spacing:.2pt">.</span><span style="mso-fareast-font-family: Arial;color:#003884">c</span><span style="mso-fareast-font-family:Arial; color:#003884;letter-spacing:.25pt">o</span><span style="mso-fareast-font-family: Arial;color:#003884;letter-spacing:.4pt">m</span><span style="mso-fareast-font-family: Arial;color:#003884;letter-spacing:.15pt">/</span><span style="mso-fareast-font-family: Arial;color:#003884;letter-spacing:.25pt">p</span><span style="mso-fareast-font-family: Arial;color:#003884;letter-spacing:.15pt">/</span><span style="mso-fareast-font-family: Arial;color:#003884;letter-spacing:.25pt">63e76826e852</span></a></span></u><span lang="EN-US" style="font-size:11.0pt;line-height:99%"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:2.4pt;text-indent:47.05pt;line-height: 87%"><span lang="EN-US" style="font-size:11.0pt;line-height:87%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#393939;letter-spacing:.15pt">2</span><span lang="EN-US" style="font-size:11.0pt;line-height:87%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#393939;letter-spacing:.1pt">.</span><span lang="EN-US" style="font-size:11.0pt;line-height:87%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#393939;letter-spacing:.15pt"> </span><span style="font-size:11.0pt;line-height:87%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.25pt">介绍⼀下红⿊树</span><span style="font-size:11.0pt;line-height:87%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.35pt">、</span><span style="font-size:11.0pt;line-height:87%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.25pt">⼆叉平衡树</span><span style="font-size:11.0pt;line-height:87%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.35pt">。</span><span lang="EN-US" style="font-size:11.0pt;line-height:87%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:1.3pt;text-indent:69.35pt;line-height: 96%"><span style="font-size:11.0pt;line-height:96%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.8pt">理解这篇</span><span style="font-size:11.0pt;line-height:96%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.85pt">:</span><span lang="EN-US" style="font-size:11.0pt;line-height:96%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939">&nbsp; </span><u><span lang="EN-US" style="font-size:11.0pt;line-height:96%; color:#003884;letter-spacing:.45pt"><a href="https://juejin.im/post/5a27c6946fb9a04509096248"><span style="mso-fareast-font-family: Arial;color:#003884">h</span><span style="mso-fareast-font-family:Arial; color:#003884;letter-spacing:.25pt">tt</span><span style="mso-fareast-font-family: Arial;color:#003884">p</span><span style="mso-fareast-font-family:Arial; color:#003884;letter-spacing:.4pt">s</span><span style="mso-fareast-font-family: Arial;color:#003884;letter-spacing:.25pt">://</span><span style="mso-fareast-font-family: Arial;color:#003884;letter-spacing:.2pt">j</span><span style="mso-fareast-font-family: Arial;color:#003884">ue</span><span style="mso-fareast-font-family:Arial; color:#003884;letter-spacing:.2pt">ji</span><span style="mso-fareast-font-family: Arial;color:#003884">n</span><span style="mso-fareast-font-family:Arial; color:#003884;letter-spacing:.25pt">.</span><span style="mso-fareast-font-family: Arial;color:#003884;letter-spacing:.2pt">i</span><span style="mso-fareast-font-family: Arial;color:#003884;letter-spacing:.7pt">m</span><span style="mso-fareast-font-family: Arial;color:#003884;letter-spacing:.25pt">/</span><span style="mso-fareast-font-family: Arial;color:#003884">po</span><span style="mso-fareast-font-family:Arial; color:#003884;letter-spacing:.4pt">s</span><span style="mso-fareast-font-family: Arial;color:#003884;letter-spacing:.25pt">t/</span><span style="mso-fareast-font-family: Arial;color:#003884">5a27</span><span style="mso-fareast-font-family:Arial; color:#003884;letter-spacing:.4pt">c</span><span style="mso-fareast-font-family: Arial;color:#003884">6946</span><span style="mso-fareast-font-family:Arial; color:#003884;letter-spacing:.25pt">f</span><span style="mso-fareast-font-family: Arial;color:#003884">b9a0</span><span style="mso-fareast-font-family:Arial; color:#003884;letter-spacing:.4pt">4509096248</span></a></span></u><span lang="EN-US" style="font-size:11.0pt;line-height:96%"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:1.0pt;margin-right:29.3pt;margin-bottom: 0cm;margin-left:46.85pt;margin-bottom:.0001pt;text-indent:.1pt;line-height: 101%"><span lang="EN-US" style="font-size:11.0pt;line-height:101%;font-family: &quot;Tahoma&quot;,sans-serif;mso-fareast-font-family:Tahoma;color:#393939;letter-spacing: .3pt">3</span><span lang="EN-US" style="font-size:11.0pt;line-height:101%; font-family:&quot;Tahoma&quot;,sans-serif;mso-fareast-font-family:Tahoma;color:#393939; letter-spacing:.15pt">.</span><span lang="EN-US" style="font-size:11.0pt; line-height:101%;font-family:&quot;Tahoma&quot;,sans-serif;mso-fareast-font-family:Tahoma; color:#393939;letter-spacing:.2pt"> </span><span lang="EN-US" style="font-size: 11.0pt;line-height:101%;mso-fareast-font-family:Arial;color:#393939;letter-spacing: .15pt">j</span><span lang="EN-US" style="font-size:11.0pt;line-height:101%; mso-fareast-font-family:Arial;color:#393939;letter-spacing:.3pt">d</span><span lang="EN-US" style="font-size:11.0pt;line-height:101%;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.25pt">k</span><span lang="EN-US" style="font-size:11.0pt;line-height:101%;mso-fareast-font-family:Arial; color:#393939;letter-spacing:.3pt">1</span><span lang="EN-US" style="font-size: 11.0pt;line-height:101%;mso-fareast-font-family:Arial;color:#393939;letter-spacing: .15pt">.</span><span lang="EN-US" style="font-size:11.0pt;line-height:101%; mso-fareast-font-family:Arial;color:#393939;letter-spacing:.3pt">8</span><span style="font-size:11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.5pt">中</span><span lang="EN-US" style="font-size:11.0pt;line-height:101%;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.35pt">C</span><span lang="EN-US" style="font-size:11.0pt;line-height:101%;mso-fareast-font-family:Arial; color:#393939;letter-spacing:.3pt">on</span><span lang="EN-US" style="font-size: 11.0pt;line-height:101%;mso-fareast-font-family:Arial;color:#393939;letter-spacing: .25pt">c</span><span lang="EN-US" style="font-size:11.0pt;line-height:101%; mso-fareast-font-family:Arial;color:#393939;letter-spacing:.3pt">u</span><span lang="EN-US" style="font-size:11.0pt;line-height:101%;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.2pt">r</span><span lang="EN-US" style="font-size:11.0pt;line-height:101%;mso-fareast-font-family:Arial; color:#393939;letter-spacing:.15pt">r</span><span lang="EN-US" style="font-size: 11.0pt;line-height:101%;mso-fareast-font-family:Arial;color:#393939;letter-spacing: .25pt">en</span><span lang="EN-US" style="font-size:11.0pt;line-height:101%; mso-fareast-font-family:Arial;color:#393939;letter-spacing:.1pt">t</span><span lang="EN-US" style="font-size:11.0pt;line-height:101%;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.3pt">H</span><span lang="EN-US" style="font-size:11.0pt;line-height:101%;mso-fareast-font-family:Arial; color:#393939;letter-spacing:.25pt">a</span><span lang="EN-US" style="font-size: 11.0pt;line-height:101%;mso-fareast-font-family:Arial;color:#393939;letter-spacing: .2pt">s</span><span lang="EN-US" style="font-size:11.0pt;line-height:101%; mso-fareast-font-family:Arial;color:#393939;letter-spacing:.25pt">h</span><span lang="EN-US" style="font-size:11.0pt;line-height:101%;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.35pt">M</span><span lang="EN-US" style="font-size:11.0pt;line-height:101%;mso-fareast-font-family:Arial; color:#393939;letter-spacing:.25pt">ap</span><span lang="EN-US" style="font-size: 11.0pt;line-height:101%;mso-fareast-font-family:Arial;color:#393939;letter-spacing: .15pt"> </span><span lang="EN-US" style="font-size:11.0pt;line-height:101%; mso-fareast-font-family:Arial;color:#393939;letter-spacing:.2pt">s</span><span lang="EN-US" style="font-size:11.0pt;line-height:101%;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.1pt">i</span><span lang="EN-US" style="font-size:11.0pt;line-height:101%;mso-fareast-font-family:Arial; color:#393939;letter-spacing:.2pt">z</span><span lang="EN-US" style="font-size: 11.0pt;line-height:101%;mso-fareast-font-family:Arial;color:#393939;letter-spacing: .25pt">e</span><span style="font-size:11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.45pt">⼤于</span><span lang="EN-US" style="font-size:11.0pt;line-height:101%;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.25pt">8</span><span style="font-size:11.0pt; line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.45pt">时会转化成红⿊树</span><span style="font-size:11.0pt; line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.5pt">,</span><span style="font-size:11.0pt; line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.45pt">请问有什么</span><span style="font-size:11.0pt; line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939"> 作⽤<span style="letter-spacing:-.05pt">,</span>如果通过</span><span lang="EN-US" style="font-size:11.0pt;line-height:101%;mso-fareast-font-family: Arial;color:#393939">remove</span><span style="font-size:11.0pt;line-height: 101%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑;color:#393939">操作,<span lang="EN-US" style="letter-spacing:-.3pt">&nbsp; </span></span><span lang="EN-US" style="font-size:11.0pt;line-height:101%; mso-fareast-font-family:Arial;color:#393939">size</span><span style="font-size: 11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family: 微软雅黑;color:#393939">⼩于</span><span lang="EN-US" style="font-size:11.0pt; line-height:101%;mso-fareast-font-family:Arial;color:#393939">8</span><span style="font-size:11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939">了,会发⽣什么?</span><span lang="EN-US" style="font-size:11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:.3pt;text-indent:46.65pt;line-height:96%"><span lang="EN-US" style="font-size:11.0pt;line-height:96%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#393939">4. </span><span style="font-size: 11.0pt;line-height:96%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939">说说</span><span lang="EN-US" style="font-size:11.0pt;line-height: 96%;mso-fareast-font-family:Arial;color:#393939">java</span><span style="font-size:11.0pt;line-height:96%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939">同步机制<span style="letter-spacing:-.05pt">,</span><span lang="EN-US" style="letter-spacing:-2.0pt">&nbsp; </span></span><span lang="EN-US" style="font-size:11.0pt;line-height:96%; mso-fareast-font-family:Arial;color:#393939">java</span><span style="font-size: 11.0pt;line-height:96%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939">有哪些锁,每个锁的特性?</span><span lang="EN-US" style="font-size:11.0pt; line-height:96%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:1.15pt;margin-right:39.1pt;margin-bottom: 0cm;margin-left:47.1pt;margin-bottom:.0001pt;text-indent:22.2pt;line-height: 101%"><span style="font-size:11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.7pt">看这篇:</span><span lang="EN-US" style="font-size:11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939">&nbsp; </span><u><span lang="EN-US" style="font-size:11.0pt;line-height:101%; color:#003884;letter-spacing:.4pt"><a href="https://blog.csdn.net/vking_wang/article/details/9952063"><span style="mso-fareast-font-family:Arial;color:#003884">h</span><span style="mso-fareast-font-family:Arial;color:#003884;letter-spacing:.2pt">tt</span><span style="mso-fareast-font-family:Arial;color:#003884">p</span><span style="mso-fareast-font-family:Arial;color:#003884;letter-spacing:.35pt">s</span><span style="mso-fareast-font-family:Arial;color:#003884;letter-spacing:.2pt">://</span><span style="mso-fareast-font-family:Arial;color:#003884">b</span><span style="mso-fareast-font-family:Arial;color:#003884;letter-spacing:.2pt">l</span><span style="mso-fareast-font-family:Arial;color:#003884">og</span><span style="mso-fareast-font-family:Arial;color:#003884;letter-spacing:.2pt">.</span><span style="mso-fareast-font-family:Arial;color:#003884;letter-spacing:.35pt">cs</span><span style="mso-fareast-font-family:Arial;color:#003884">dn</span><span style="mso-fareast-font-family:Arial;color:#003884;letter-spacing:.2pt">.</span><span style="mso-fareast-font-family:Arial;color:#003884">ne</span><span style="mso-fareast-font-family:Arial;color:#003884;letter-spacing:.2pt">t/</span><span style="mso-fareast-font-family:Arial;color:#003884;letter-spacing:.35pt">vk</span><span style="mso-fareast-font-family:Arial;color:#003884;letter-spacing:.15pt">i</span><span style="mso-fareast-font-family:Arial;color:#003884;letter-spacing:.35pt">ng_</span><span style="mso-fareast-font-family:Arial;color:#003884;letter-spacing:.45pt">w</span><span style="mso-fareast-font-family:Arial;color:#003884;letter-spacing:.35pt">ang</span><span style="mso-fareast-font-family:Arial;color:#003884;letter-spacing:.15pt">/</span><span style="mso-fareast-font-family:Arial;color:#003884;letter-spacing:.35pt">a</span><span style="mso-fareast-font-family:Arial;color:#003884;letter-spacing:.2pt">r</span><span style="mso-fareast-font-family:Arial;color:#003884;letter-spacing:.15pt">ti</span><span style="mso-fareast-font-family:Arial;color:#003884;letter-spacing:.3pt">c</span><span style="mso-fareast-font-family:Arial;color:#003884;letter-spacing:.15pt">l</span><span style="mso-fareast-font-family:Arial;color:#003884;letter-spacing:.35pt">e</span><span style="mso-fareast-font-family:Arial;color:#003884;letter-spacing:.15pt">/</span><span style="mso-fareast-font-family:Arial;color:#003884;letter-spacing:.35pt">de</span><span style="mso-fareast-font-family:Arial;color:#003884;letter-spacing:.15pt">t</span><span style="mso-fareast-font-family:Arial;color:#003884;letter-spacing:.35pt">a</span><span style="mso-fareast-font-family:Arial;color:#003884;letter-spacing:.15pt">il</span><span style="mso-fareast-font-family:Arial;color:#003884;letter-spacing:.3pt">s</span><span style="mso-fareast-font-family:Arial;color:#003884;letter-spacing:.15pt">/</span><span style="mso-fareast-font-family:Arial;color:#003884;letter-spacing:.35pt">9952063</span></a></span></u><span lang="EN-US" style="font-size:11.0pt;line-height:101%;mso-fareast-font-family: Arial;color:#003884"> </span><span lang="EN-US" style="font-size:11.0pt; line-height:101%;font-family:&quot;Tahoma&quot;,sans-serif;mso-fareast-font-family:Tahoma; color:#393939;letter-spacing:.25pt">5</span><span lang="EN-US" style="font-size: 11.0pt;line-height:101%;font-family:&quot;Tahoma&quot;,sans-serif;mso-fareast-font-family: Tahoma;color:#393939;letter-spacing:.15pt">. </span><span style="font-size: 11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family: 微软雅黑;color:#393939;letter-spacing:.4pt">说说</span><span lang="EN-US" style="font-size:11.0pt;line-height:101%;mso-fareast-font-family:Arial; color:#393939;letter-spacing:.2pt">v</span><span lang="EN-US" style="font-size: 11.0pt;line-height:101%;mso-fareast-font-family:Arial;color:#393939;letter-spacing: .25pt">o</span><span lang="EN-US" style="font-size:11.0pt;line-height:101%; mso-fareast-font-family:Arial;color:#393939;letter-spacing:.1pt">l</span><span lang="EN-US" style="font-size:11.0pt;line-height:101%;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.25pt">a</span><span lang="EN-US" style="font-size:11.0pt;line-height:101%;mso-fareast-font-family:Arial; color:#393939;letter-spacing:.15pt">t</span><span lang="EN-US" style="font-size: 11.0pt;line-height:101%;mso-fareast-font-family:Arial;color:#393939;letter-spacing: .1pt">il</span><span lang="EN-US" style="font-size:11.0pt;line-height:101%; mso-fareast-font-family:Arial;color:#393939;letter-spacing:.25pt">e</span><span style="font-size:11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.4pt">如何保证可⻅性</span><span style="font-size:11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.45pt">,</span><span style="font-size:11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.4pt">从</span><span lang="EN-US" style="font-size:11.0pt;line-height:101%;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.15pt">c</span><span lang="EN-US" style="font-size:11.0pt;line-height:101%;mso-fareast-font-family:Arial; color:#393939;letter-spacing:.2pt">pu</span><span style="font-size:11.0pt; line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.35pt">层⾯分析</span><span style="font-size:11.0pt; line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.45pt">。</span><span lang="EN-US" style="font-size: 11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family: 微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:.05pt;margin-right:44.75pt;margin-bottom: 0cm;margin-left:46.9pt;margin-bottom:.0001pt;text-indent:22.55pt;line-height: 101%"><span style="font-size:11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.65pt">需深⼊理解:</span><span lang="EN-US" style="font-size:11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939">&nbsp; </span><u><span lang="EN-US" style="font-size:11.0pt;line-height:101%; color:#003884;letter-spacing:.35pt"><a href="https://juejin.im/post/5ae9b41b518825670b33e6c4"><span style="mso-fareast-font-family: Arial;color:#003884">h</span><span style="mso-fareast-font-family:Arial; color:#003884;letter-spacing:.2pt">tt</span><span style="mso-fareast-font-family: Arial;color:#003884">ps</span><span style="mso-fareast-font-family:Arial; color:#003884;letter-spacing:.2pt">://</span><span style="mso-fareast-font-family: Arial;color:#003884;letter-spacing:.15pt">j</span><span style="mso-fareast-font-family: Arial;color:#003884">ue</span><span style="mso-fareast-font-family:Arial; color:#003884;letter-spacing:.15pt">ji</span><span style="mso-fareast-font-family: Arial;color:#003884">n</span><span style="mso-fareast-font-family:Arial; color:#003884;letter-spacing:.2pt">.</span><span style="mso-fareast-font-family: Arial;color:#003884;letter-spacing:.15pt">i</span><span style="mso-fareast-font-family: Arial;color:#003884;letter-spacing:.55pt">m</span><span style="mso-fareast-font-family: Arial;color:#003884;letter-spacing:.2pt">/</span><span style="mso-fareast-font-family: Arial;color:#003884">pos</span><span style="mso-fareast-font-family:Arial; color:#003884;letter-spacing:.2pt">t/</span><span style="mso-fareast-font-family: Arial;color:#003884">5ae9b41b51</span><span style="mso-fareast-font-family: Arial;color:#003884;letter-spacing:.3pt">8825670b33e6c4</span></a></span></u><span lang="EN-US" style="font-size:11.0pt;line-height:101%;mso-fareast-font-family: Arial;color:#003884"> </span><span lang="EN-US" style="font-size:11.0pt; line-height:101%;font-family:&quot;Tahoma&quot;,sans-serif;mso-fareast-font-family:Tahoma; color:#393939;letter-spacing:.05pt">6. </span><span lang="EN-US" style="font-size:11.0pt;line-height:101%;mso-fareast-font-family:Arial; color:#393939;letter-spacing:.05pt">spring</span><span style="font-size:11.0pt; line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.05pt">加载</span><span lang="EN-US" style="font-size: 11.0pt;line-height:101%;mso-fareast-font-family:Arial;color:#393939;letter-spacing: .05pt">bean</span><span style="font-size:11.0pt;line-height:101%;font-family: &quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.05pt">的顺</span><span style="font-size:11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939">序?</span><span lang="EN-US" style="font-size:11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="text-indent:69.45pt;line-height:96%"><span lang="EN-US" style="font-size:11.0pt;line-height:96%;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.25pt">s</span><span lang="EN-US" style="font-size:11.0pt;line-height:96%;mso-fareast-font-family:Arial; color:#393939;letter-spacing:.3pt">p</span><span lang="EN-US" style="font-size: 11.0pt;line-height:96%;mso-fareast-font-family:Arial;color:#393939;letter-spacing: .2pt">r</span><span lang="EN-US" style="font-size:11.0pt;line-height:96%; mso-fareast-font-family:Arial;color:#393939;letter-spacing:.15pt">i</span><span lang="EN-US" style="font-size:11.0pt;line-height:96%;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.3pt">ng</span><span style="font-size:11.0pt; line-height:96%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.5pt">容</span><span style="font-size:11.0pt; line-height:96%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.45pt">器及</span><span lang="EN-US" style="font-size: 11.0pt;line-height:96%;mso-fareast-font-family:Arial;color:#393939;letter-spacing: .25pt">bean</span><span style="font-size:11.0pt;line-height:96%;font-family: &quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.45pt">加载机制源码解</span><span lang="EN-US" style="font-size:11.0pt;line-height:96%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:1.1pt;text-indent:24.5pt;line-height:96%"><span style="font-size:11.0pt;line-height:96%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.6pt">读</span><span style="font-size:11.0pt;line-height:96%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.65pt">:</span><span lang="EN-US" style="font-size:11.0pt;line-height:96%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939">&nbsp; </span><u><span lang="EN-US" style="font-size:11.0pt;line-height:96%; color:#003884;letter-spacing:.35pt"><a href="https://blog.csdn.net/songyang19871115/article/details/54342242"><span style="mso-fareast-font-family:Arial;color:#003884">h</span><span style="mso-fareast-font-family:Arial;color:#003884;letter-spacing:.2pt">tt</span><span style="mso-fareast-font-family:Arial;color:#003884">p</span><span style="mso-fareast-font-family:Arial;color:#003884;letter-spacing:.3pt">s</span><span style="mso-fareast-font-family:Arial;color:#003884;letter-spacing:.2pt">://</span><span style="mso-fareast-font-family:Arial;color:#003884">b</span><span style="mso-fareast-font-family:Arial;color:#003884;letter-spacing:.15pt">l</span><span style="mso-fareast-font-family:Arial;color:#003884">og</span><span style="mso-fareast-font-family:Arial;color:#003884;letter-spacing:.2pt">.</span><span style="mso-fareast-font-family:Arial;color:#003884;letter-spacing:.3pt">cs</span><span style="mso-fareast-font-family:Arial;color:#003884">dn</span><span style="mso-fareast-font-family:Arial;color:#003884;letter-spacing:.2pt">.</span><span style="mso-fareast-font-family:Arial;color:#003884">ne</span><span style="mso-fareast-font-family:Arial;color:#003884;letter-spacing:.2pt">t/</span><span style="mso-fareast-font-family:Arial;color:#003884;letter-spacing:.3pt">s</span><span style="mso-fareast-font-family:Arial;color:#003884">ong</span><span style="mso-fareast-font-family:Arial;color:#003884;letter-spacing:.3pt">y</span><span style="mso-fareast-font-family:Arial;color:#003884">ang19871</span><span style="mso-fareast-font-family:Arial;color:#003884;letter-spacing:.3pt">115</span><span style="mso-fareast-font-family:Arial;color:#003884;letter-spacing:.15pt">/</span><span style="mso-fareast-font-family:Arial;color:#003884;letter-spacing:.3pt">a</span><span style="mso-fareast-font-family:Arial;color:#003884;letter-spacing:.2pt">r</span><span style="mso-fareast-font-family:Arial;color:#003884;letter-spacing:.15pt">t</span><span style="mso-fareast-font-family:Arial;color:#003884;letter-spacing:.1pt">i</span><span style="mso-fareast-font-family:Arial;color:#003884;letter-spacing:.25pt">c</span><span style="mso-fareast-font-family:Arial;color:#003884;letter-spacing:.1pt">l</span><span style="mso-fareast-font-family:Arial;color:#003884;letter-spacing:.3pt">e</span><span style="mso-fareast-font-family:Arial;color:#003884;letter-spacing:.15pt">/</span><span style="mso-fareast-font-family:Arial;color:#003884;letter-spacing:.3pt">de</span><span style="mso-fareast-font-family:Arial;color:#003884;letter-spacing:.15pt">t</span><span style="mso-fareast-font-family:Arial;color:#003884;letter-spacing:.3pt">a</span><span style="mso-fareast-font-family:Arial;color:#003884;letter-spacing:.1pt">il</span><span style="mso-fareast-font-family:Arial;color:#003884;letter-spacing:.25pt">s</span><span style="mso-fareast-font-family:Arial;color:#003884;letter-spacing:.15pt">/</span><span style="mso-fareast-font-family:Arial;color:#003884;letter-spacing:.3pt">54342242</span></a></span></u><span lang="EN-US" style="font-size:11.0pt;line-height:96%"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:2.4pt;text-indent:47.0pt;line-height:87%"><span lang="EN-US" style="font-size:11.0pt;line-height:87%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#393939;letter-spacing:-.05pt">7.</span><span lang="EN-US" style="font-size:11.0pt;line-height:87%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#393939;letter-spacing:-.45pt"> </span><span style="font-size:11.0pt;line-height:87%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:-.05pt">哪些对</span><span style="font-size:11.0pt;line-height:87%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939">象会被存放到⽼年代?</span><span lang="EN-US" style="font-size:11.0pt;line-height:87%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:1.3pt;margin-right:44.85pt;margin-bottom: 0cm;margin-left:71.25pt;margin-bottom:.0001pt;text-indent:-1.15pt;line-height: 97%"><span lang="EN-US" style="font-size:11.0pt;line-height:97%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#393939;letter-spacing:.3pt">1</span><span lang="EN-US" style="font-size:11.0pt;line-height:97%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#393939;letter-spacing:.15pt">.</span><span lang="EN-US" style="font-size:11.0pt;line-height:97%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#393939;letter-spacing:.2pt"> </span><span style="font-size:11.0pt;line-height:97%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.5pt">新⽣代对象每次经历⼀次</span><span lang="EN-US" style="font-size:11.0pt;line-height:97%;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.4pt">m</span><span lang="EN-US" style="font-size:11.0pt;line-height:97%;mso-fareast-font-family:Arial; color:#393939;letter-spacing:.1pt">i</span><span lang="EN-US" style="font-size: 11.0pt;line-height:97%;mso-fareast-font-family:Arial;color:#393939;letter-spacing: .25pt">no</span><span lang="EN-US" style="font-size:11.0pt;line-height:97%; mso-fareast-font-family:Arial;color:#393939;letter-spacing:.15pt">r</span><span lang="EN-US" style="font-size:11.0pt;line-height:97%;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.25pt">g</span><span lang="EN-US" style="font-size:11.0pt;line-height:97%;mso-fareast-font-family:Arial; color:#393939;letter-spacing:.2pt">c</span><span style="font-size:11.0pt; line-height:97%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.5pt">,</span><span style="font-size:11.0pt; line-height:97%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.45pt">年龄会加</span><span lang="EN-US" style="font-size:11.0pt;line-height:97%;mso-fareast-font-family:Arial; color:#393939;letter-spacing:.25pt">1</span><span style="font-size:11.0pt; line-height:97%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.5pt">,</span><span style="font-size:11.0pt; line-height:97%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.45pt">当达到年龄阈值</span><span style="font-size:11.0pt; line-height:97%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939"> (默认为<span style="letter-spacing:-.1pt"> </span></span><span lang="EN-US" style="font-size:11.0pt;line-height:97%;mso-fareast-font-family: Arial;color:#393939">15</span><span style="font-size:11.0pt;line-height:97%; font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑;color:#393939">岁<span style="letter-spacing:-.8pt">)</span>会直接进⼊⽼年代<span style="letter-spacing:-.8pt">;</span></span><span lang="EN-US" style="font-size:11.0pt;line-height:97%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:3.0pt;text-indent:69.45pt;line-height: 87%"><span lang="EN-US" style="font-size:11.0pt;line-height:87%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#393939;letter-spacing:.1pt">2. </span><span style="font-size:11.0pt;line-height:87%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.2pt">⼤对象</span><span style="font-size:11.0pt;line-height:87%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.15pt">直接进⼊⽼年代</span><span style="font-size:11.0pt;line-height:87%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.2pt">;</span><span lang="EN-US" style="font-size:11.0pt;line-height:87%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:1.35pt;margin-right:30.55pt;margin-bottom: 0cm;margin-left:69.45pt;margin-bottom:.0001pt;text-indent:-.05pt;line-height: 101%"><span lang="EN-US" style="font-size:11.0pt;line-height:101%;font-family: &quot;Tahoma&quot;,sans-serif;mso-fareast-font-family:Tahoma;color:#393939;letter-spacing: .25pt">3</span><span lang="EN-US" style="font-size:11.0pt;line-height:101%; font-family:&quot;Tahoma&quot;,sans-serif;mso-fareast-font-family:Tahoma;color:#393939; letter-spacing:.15pt">. </span><span style="font-size:11.0pt;line-height:101%; font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑;color:#393939; letter-spacing:.45pt">新⽣代复制算法需要⼀个</span><span lang="EN-US" style="font-size:11.0pt; line-height:101%;mso-fareast-font-family:Arial;color:#393939;letter-spacing: .25pt">su</span><span lang="EN-US" style="font-size:11.0pt;line-height:101%; mso-fareast-font-family:Arial;color:#393939;letter-spacing:.2pt">r</span><span lang="EN-US" style="font-size:11.0pt;line-height:101%;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.25pt">v</span><span lang="EN-US" style="font-size:11.0pt;line-height:101%;mso-fareast-font-family:Arial; color:#393939;letter-spacing:.15pt">i</span><span lang="EN-US" style="font-size: 11.0pt;line-height:101%;mso-fareast-font-family:Arial;color:#393939;letter-spacing: .25pt">vo</span><span lang="EN-US" style="font-size:11.0pt;line-height:101%; mso-fareast-font-family:Arial;color:#393939;letter-spacing:.2pt">r</span><span style="font-size:11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.45pt">区进⾏轮换备</span><span style="font-size:11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.4pt">份</span><span style="font-size:11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.5pt">,</span><span style="font-size:11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.4pt">如果出现⼤量对</span><span style="font-size:11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939"> <span style="letter-spacing:.6pt">象</span><span style="letter-spacing:.55pt">在</span></span><span lang="EN-US" style="font-size: 11.0pt;line-height:101%;mso-fareast-font-family:Arial;color:#393939;letter-spacing: .5pt">m</span><span lang="EN-US" style="font-size:11.0pt;line-height:101%; mso-fareast-font-family:Arial;color:#393939;letter-spacing:.15pt">i</span><span lang="EN-US" style="font-size:11.0pt;line-height:101%;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.35pt">no</span><span lang="EN-US" style="font-size:11.0pt;line-height:101%;mso-fareast-font-family:Arial; color:#393939;letter-spacing:.2pt">r</span><span lang="EN-US" style="font-size: 11.0pt;line-height:101%;mso-fareast-font-family:Arial;color:#393939;letter-spacing: .35pt">g</span><span lang="EN-US" style="font-size:11.0pt;line-height:101%; mso-fareast-font-family:Arial;color:#393939;letter-spacing:.3pt">c</span><span style="font-size:11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.55pt">后仍然存活的情况时</span><span style="font-size:11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.65pt">,</span><span style="font-size:11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.55pt">就需要⽼年代进⾏分配担保</span><span style="font-size:11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.65pt">,</span><span style="font-size:11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.55pt">让</span><span lang="EN-US" style="font-size:11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939">&nbsp;&nbsp; </span><span lang="EN-US" style="font-size:11.0pt;line-height:101%; mso-fareast-font-family:Arial;color:#393939;letter-spacing:.2pt">su</span><span lang="EN-US" style="font-size:11.0pt;line-height:101%;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.15pt">r</span><span lang="EN-US" style="font-size:11.0pt;line-height:101%;mso-fareast-font-family:Arial; color:#393939;letter-spacing:.2pt">v</span><span lang="EN-US" style="font-size: 11.0pt;line-height:101%;mso-fareast-font-family:Arial;color:#393939;letter-spacing: .1pt">i</span><span lang="EN-US" style="font-size:11.0pt;line-height:101%; mso-fareast-font-family:Arial;color:#393939;letter-spacing:.2pt">vo</span><span lang="EN-US" style="font-size:11.0pt;line-height:101%;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.15pt">r</span><span style="font-size:11.0pt; line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.35pt">⽆法容纳的对象直接进</span><span style="font-size: 11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family: 微软雅黑;color:#393939;letter-spacing:.3pt">⼊⽼年代</span><span style="font-size:11.0pt; line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.4pt">;</span><span lang="EN-US" style="font-size: 11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family: 微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:1.6pt;margin-right:32.45pt;margin-bottom: 0cm;margin-left:69.95pt;margin-bottom:.0001pt;text-indent:-.85pt;line-height: 95%"><span lang="EN-US" style="font-size:11.0pt;line-height:95%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#393939;letter-spacing:.3pt">4</span><span lang="EN-US" style="font-size:11.0pt;line-height:95%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#393939;letter-spacing:.15pt">.</span><span lang="EN-US" style="font-size:11.0pt;line-height:95%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#393939;letter-spacing:.2pt"> </span><span style="font-size:11.0pt;line-height:95%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.5pt">如果在</span><span lang="EN-US" style="font-size:11.0pt;line-height:95%;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.35pt">S</span><span lang="EN-US" style="font-size:11.0pt;line-height:95%;mso-fareast-font-family:Arial; color:#393939;letter-spacing:.25pt">u</span><span lang="EN-US" style="font-size: 11.0pt;line-height:95%;mso-fareast-font-family:Arial;color:#393939;letter-spacing: .15pt">r</span><span lang="EN-US" style="font-size:11.0pt;line-height:95%; mso-fareast-font-family:Arial;color:#393939;letter-spacing:.2pt">v</span><span lang="EN-US" style="font-size:11.0pt;line-height:95%;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.1pt">i</span><span lang="EN-US" style="font-size:11.0pt;line-height:95%;mso-fareast-font-family:Arial; color:#393939;letter-spacing:.2pt">v</span><span lang="EN-US" style="font-size: 11.0pt;line-height:95%;mso-fareast-font-family:Arial;color:#393939;letter-spacing: .25pt">o</span><span lang="EN-US" style="font-size:11.0pt;line-height:95%; mso-fareast-font-family:Arial;color:#393939;letter-spacing:.15pt">r</span><span style="font-size:11.0pt;line-height:95%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.45pt">空间中相同年龄所有对象⼤⼩的总和⼤于</span><span lang="EN-US" style="font-size:11.0pt;line-height:95%;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.3pt">S</span><span lang="EN-US" style="font-size:11.0pt;line-height:95%;mso-fareast-font-family:Arial; color:#393939;letter-spacing:.25pt">u</span><span lang="EN-US" style="font-size: 11.0pt;line-height:95%;mso-fareast-font-family:Arial;color:#393939;letter-spacing: .15pt">r</span><span lang="EN-US" style="font-size:11.0pt;line-height:95%; mso-fareast-font-family:Arial;color:#393939;letter-spacing:.2pt">v</span><span lang="EN-US" style="font-size:11.0pt;line-height:95%;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.1pt">i</span><span lang="EN-US" style="font-size:11.0pt;line-height:95%;mso-fareast-font-family:Arial; color:#393939;letter-spacing:.2pt">v</span><span lang="EN-US" style="font-size: 11.0pt;line-height:95%;mso-fareast-font-family:Arial;color:#393939;letter-spacing: .25pt">o</span><span lang="EN-US" style="font-size:11.0pt;line-height:95%; mso-fareast-font-family:Arial;color:#393939;letter-spacing:.15pt">r</span><span style="font-size:11.0pt;line-height:95%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.45pt">空</span><span style="font-size:11.0pt;line-height:95%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939"> <span style="letter-spacing:.35pt">间的⼀半</span><span style="letter-spacing:.4pt">,</span><span style="letter-spacing:.35pt">年龄⼤于或等于该年龄的对象就可以</span><span style="letter-spacing:.3pt">直接进⼊年⽼代</span><span style="letter-spacing:.4pt">。</span></span><span lang="EN-US" style="font-size:11.0pt;line-height:95%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:1.25pt;text-indent:46.85pt;line-height: 96%"><span lang="EN-US" style="font-size:11.0pt;line-height:96%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#393939;letter-spacing:.3pt">8</span><span lang="EN-US" style="font-size:11.0pt;line-height:96%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#393939;letter-spacing:.2pt">. </span><span style="font-size:11.0pt;line-height:96%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.5pt">什么时候触发</span><span lang="EN-US" style="font-size:11.0pt;line-height:96%;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.15pt">f</span><span lang="EN-US" style="font-size:11.0pt;line-height:96%;mso-fareast-font-family:Arial; color:#393939;letter-spacing:.3pt">u</span><span lang="EN-US" style="font-size: 11.0pt;line-height:96%;mso-fareast-font-family:Arial;color:#393939;letter-spacing: .15pt">l</span><span lang="EN-US" style="font-size:11.0pt;line-height:96%; mso-fareast-font-family:Arial;color:#393939;letter-spacing:.1pt">l</span><span lang="EN-US" style="font-size:11.0pt;line-height:96%;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.2pt"> </span><span lang="EN-US" style="font-size:11.0pt;line-height:96%;mso-fareast-font-family:Arial; color:#393939;letter-spacing:.25pt">gc</span><span style="font-size:11.0pt; line-height:96%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.45pt">?</span><span lang="EN-US" style="font-size: 11.0pt;line-height:96%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:1.05pt;text-indent:71.25pt;line-height: 96%"><span style="font-size:11.0pt;line-height:96%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.25pt">(</span><span lang="EN-US" style="font-size:11.0pt;line-height:96%;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.15pt">1</span><span style="font-size:11.0pt; line-height:96%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.3pt">)</span><span style="font-size:11.0pt; line-height:96%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.25pt">调⽤</span><span lang="EN-US" style="font-size: 11.0pt;line-height:96%;mso-fareast-font-family:Arial;color:#393939;letter-spacing: .2pt">S</span><span lang="EN-US" style="font-size:11.0pt;line-height:96%; mso-fareast-font-family:Arial;color:#393939;letter-spacing:.15pt">ys</span><span lang="EN-US" style="font-size:11.0pt;line-height:96%;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.1pt">t</span><span lang="EN-US" style="font-size:11.0pt;line-height:96%;mso-fareast-font-family:Arial; color:#393939;letter-spacing:.15pt">e</span><span lang="EN-US" style="font-size: 11.0pt;line-height:96%;mso-fareast-font-family:Arial;color:#393939;letter-spacing: .25pt">m</span><span lang="EN-US" style="font-size:11.0pt;line-height:96%; mso-fareast-font-family:Arial;color:#393939;letter-spacing:.1pt">.</span><span lang="EN-US" style="font-size:11.0pt;line-height:96%;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.15pt">gc</span><span style="font-size:11.0pt; line-height:96%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.25pt">时</span><span style="font-size:11.0pt; line-height:96%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.3pt">,</span><span style="font-size:11.0pt; line-height:96%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.25pt">系统建议执⾏</span><span lang="EN-US" style="font-size:11.0pt;line-height:96%;mso-fareast-font-family:Arial; color:#393939;letter-spacing:.2pt">F</span><span lang="EN-US" style="font-size: 11.0pt;line-height:96%;mso-fareast-font-family:Arial;color:#393939;letter-spacing: .15pt">u</span><span lang="EN-US" style="font-size:11.0pt;line-height:96%; mso-fareast-font-family:Arial;color:#393939;letter-spacing:.1pt">ll </span><span lang="EN-US" style="font-size:11.0pt;line-height:96%;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.2pt">GC</span><span style="font-size:11.0pt; line-height:96%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.3pt">,</span><span style="font-size:11.0pt; line-height:96%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.25pt">但</span><span style="font-size:11.0pt; line-height:96%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.2pt">是不必然执⾏</span><span lang="EN-US" style="font-size:11.0pt;line-height:96%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:2.45pt;text-indent:71.25pt;line-height: 85%"><span style="font-size:11.0pt;line-height:85%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.15pt">(</span><span lang="EN-US" style="font-size:11.0pt;line-height:85%;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.1pt">2</span><span style="font-size:11.0pt; line-height:85%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.15pt">)⽼年代</span><span style="font-size:11.0pt; line-height:85%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.1pt">空间不⾜</span><span lang="EN-US" style="font-size:11.0pt;line-height:85%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:3.05pt;text-indent:71.25pt;line-height: 85%"><span style="font-size:11.0pt;line-height:85%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.2pt">(</span><span lang="EN-US" style="font-size:11.0pt;line-height:85%;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.1pt">3</span><span style="font-size:11.0pt; line-height:85%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.2pt">)</span><span style="font-size:11.0pt; line-height:85%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.15pt">⽅法去空间不⾜</span><span lang="EN-US" style="font-size:11.0pt;line-height:85%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:3.0pt;text-indent:71.25pt;line-height: 85%"><span style="font-size:11.0pt;line-height:85%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.4pt">(</span><span lang="EN-US" style="font-size:11.0pt;line-height:85%;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.25pt">4</span><span style="font-size:11.0pt; line-height:85%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.4pt">)通过</span><span lang="EN-US" style="font-size: 11.0pt;line-height:85%;mso-fareast-font-family:Arial;color:#393939;letter-spacing: .35pt">M</span><span lang="EN-US" style="font-size:11.0pt;line-height:85%; mso-fareast-font-family:Arial;color:#393939;letter-spacing:.1pt">i</span><span lang="EN-US" style="font-size:11.0pt;line-height:85%;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.25pt">n</span><span lang="EN-US" style="font-size:11.0pt;line-height:85%;mso-fareast-font-family:Arial; color:#393939;letter-spacing:.2pt">o</span><span lang="EN-US" style="font-size: 11.0pt;line-height:85%;mso-fareast-font-family:Arial;color:#393939;letter-spacing: .1pt">r</span><span lang="EN-US" style="font-size:11.0pt;line-height:85%; mso-fareast-font-family:Arial;color:#393939;letter-spacing:.15pt"> </span><span lang="EN-US" style="font-size:11.0pt;line-height:85%;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.25pt">GC</span><span style="font-size:11.0pt; line-height:85%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.35pt">后进⼊⽼年代的平均⼤⼩⼤于⽼年代的可⽤内存</span><span lang="EN-US" style="font-size:11.0pt;line-height:85%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:3.15pt;margin-right:26.15pt;margin-bottom: 0cm;margin-left:69.35pt;margin-bottom:.0001pt;text-indent:1.85pt;line-height: 97%"><span style="font-size:11.0pt;line-height:97%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.05pt">(</span><span lang="EN-US" style="font-size:11.0pt;line-height:97%;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.05pt">5</span><span style="font-size:11.0pt; line-height:97%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.1pt">)</span><span style="font-size:11.0pt; line-height:97%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.05pt">由</span><span lang="EN-US" style="font-size: 11.0pt;line-height:97%;mso-fareast-font-family:Arial;color:#393939;letter-spacing: .05pt">Eden</span><span style="font-size:11.0pt;line-height:97%;font-family: &quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.05pt">区</span><span style="font-size:11.0pt;line-height:97%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.1pt">、</span><span lang="EN-US" style="font-size:11.0pt;line-height:97%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939">&nbsp; </span><span lang="EN-US" style="font-size:11.0pt;line-height:97%; mso-fareast-font-family:Arial;color:#393939;letter-spacing:.05pt">From</span><span lang="EN-US" style="font-size:11.0pt;line-height:97%;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.1pt"> </span><span lang="EN-US" style="font-size:11.0pt;line-height:97%;mso-fareast-font-family:Arial; color:#393939;letter-spacing:.05pt">Space</span><span style="font-size:11.0pt; line-height:97%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.05pt">区向</span><span lang="EN-US" style="font-size: 11.0pt;line-height:97%;mso-fareast-font-family:Arial;color:#393939;letter-spacing: .05pt">To</span><span lang="EN-US" style="font-size:11.0pt;line-height:97%; mso-fareast-font-family:Arial;color:#393939;letter-spacing:.1pt"> </span><span lang="EN-US" style="font-size:11.0pt;line-height:97%;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.05pt">Space</span><span style="font-size: 11.0pt;line-height:97%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.05pt">区复制时,对象⼤⼩⼤于</span><span lang="EN-US" style="font-size:11.0pt;line-height:97%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939">&nbsp; </span><span lang="EN-US" style="font-size:11.0pt;line-height:97%; mso-fareast-font-family:Arial;color:#393939;letter-spacing:.25pt">T</span><span lang="EN-US" style="font-size:11.0pt;line-height:97%;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.2pt">o </span><span lang="EN-US" style="font-size:11.0pt;line-height:97%;mso-fareast-font-family:Arial; color:#393939;letter-spacing:.25pt">S</span><span lang="EN-US" style="font-size: 11.0pt;line-height:97%;mso-fareast-font-family:Arial;color:#393939;letter-spacing: .2pt">pace</span><span style="font-size:11.0pt;line-height:97%;font-family: &quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.35pt">可⽤内存</span><span style="font-size:11.0pt;line-height:97%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.45pt">,</span><span style="font-size:11.0pt;line-height:97%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.35pt">则把该对象转存到⽼年代</span><span style="font-size:11.0pt;line-height:97%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.4pt">,</span><span style="font-size:11.0pt;line-height:97%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.35pt">且⽼年代的可⽤内存⼩</span><span style="font-size:11.0pt;line-height:97%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939"> <span style="letter-spacing:.25pt">于该对象⼤</span><span style="letter-spacing:.2pt">⼩</span></span><span lang="EN-US" style="font-size: 11.0pt;line-height:97%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:1.2pt;text-indent:46.8pt;line-height:96%"><span lang="EN-US" style="font-size:11.0pt;line-height:96%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#393939;letter-spacing:.15pt">9</span><span lang="EN-US" style="font-size:11.0pt;line-height:96%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#393939;letter-spacing:.1pt">. </span><span lang="EN-US" style="font-size:11.0pt;line-height:96%;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.1pt">j</span><span lang="EN-US" style="font-size:11.0pt;line-height:96%;mso-fareast-font-family:Arial; color:#393939;letter-spacing:.15pt">v</span><span lang="EN-US" style="font-size: 11.0pt;line-height:96%;mso-fareast-font-family:Arial;color:#393939;letter-spacing: .25pt">m</span><span style="font-size:11.0pt;line-height:96%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.25pt">中哪些地⽅会出现</span><span lang="EN-US" style="font-size:11.0pt;line-height:96%;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.1pt">oo</span><span lang="EN-US" style="font-size:11.0pt;line-height:96%;mso-fareast-font-family:Arial; color:#393939;letter-spacing:.2pt">m</span><span style="font-size:11.0pt; line-height:96%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.25pt">?分别说说</span><span lang="EN-US" style="font-size:11.0pt;line-height:96%;mso-fareast-font-family:Arial; color:#393939;letter-spacing:.1pt">oo</span><span lang="EN-US" style="font-size: 11.0pt;line-height:96%;mso-fareast-font-family:Arial;color:#393939;letter-spacing: .2pt">m</span><span style="font-size:11.0pt;line-height:96%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.25pt">的可能原因?</span><span lang="EN-US" style="font-size:11.0pt;line-height:96%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> </div><p> <span lang="EN-US" style="font-size:10.5pt;font-family:&quot;Arial&quot;,sans-serif; mso-fareast-font-family:宋体;mso-fareast-theme-font:minor-fareast;mso-ansi-language: EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA;mso-no-proof:yes"><br clear="all" style="page-break-before:always;mso-break-type:section-break"> </span> </p><div class="WordSection8"> <p class="MsoNormal" style="line-height:126%"><span lang="EN-US">&nbsp;</span></p> <p class="MsoNormal" style="margin-top:4.7pt;text-indent:68.75pt;line-height: 96%"><span lang="EN-US" style="font-size:11.0pt;line-height:96%;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.15pt">j</span><span lang="EN-US" style="font-size:11.0pt;line-height:96%;mso-fareast-font-family:Arial; color:#393939;letter-spacing:.3pt">v</span><span lang="EN-US" style="font-size: 11.0pt;line-height:96%;mso-fareast-font-family:Arial;color:#393939;letter-spacing: .45pt">m</span><span style="font-size:11.0pt;line-height:96%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.55pt">发⽣</span><span lang="EN-US" style="font-size:11.0pt;line-height:96%;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.25pt">oo</span><span lang="EN-US" style="font-size:11.0pt;line-height:96%;mso-fareast-font-family:Arial; color:#393939;letter-spacing:.4pt">m</span><span style="font-size:11.0pt; line-height:96%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.5pt">的四种情</span><span lang="EN-US" style="font-size:11.0pt;line-height:96%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:1.05pt;text-indent:24.5pt;line-height: 96%"><span style="font-size:11.0pt;line-height:96%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.75pt">况</span><span style="font-size:11.0pt;line-height:96%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.8pt">:</span><span lang="EN-US" style="font-size:11.0pt;line-height:96%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939">&nbsp; </span><u><span lang="EN-US" style="font-size:11.0pt;line-height:96%; color:#003884;letter-spacing:.45pt"><a href="https://blog.csdn.net/QQ578473688/article/details/77752080"><span style="mso-fareast-font-family:Arial;color:#003884">h</span><span style="mso-fareast-font-family:Arial;color:#003884;letter-spacing:.25pt">tt</span><span style="mso-fareast-font-family:Arial;color:#003884">p</span><span style="mso-fareast-font-family:Arial;color:#003884;letter-spacing:.4pt">s</span><span style="mso-fareast-font-family:Arial;color:#003884;letter-spacing:.25pt">://</span><span style="mso-fareast-font-family:Arial;color:#003884">b</span><span style="mso-fareast-font-family:Arial;color:#003884;letter-spacing:.2pt">l</span><span style="mso-fareast-font-family:Arial;color:#003884">og</span><span style="mso-fareast-font-family:Arial;color:#003884;letter-spacing:.25pt">.</span><span style="mso-fareast-font-family:Arial;color:#003884;letter-spacing:.4pt">cs</span><span style="mso-fareast-font-family:Arial;color:#003884">dn</span><span style="mso-fareast-font-family:Arial;color:#003884;letter-spacing:.25pt">.</span><span style="mso-fareast-font-family:Arial;color:#003884">ne</span><span style="mso-fareast-font-family:Arial;color:#003884;letter-spacing:.25pt">t/</span><span style="mso-fareast-font-family:Arial;color:#003884;letter-spacing:.6pt">QQ</span><span style="mso-fareast-font-family:Arial;color:#003884;letter-spacing:.4pt">578473688</span><span style="mso-fareast-font-family:Arial;color:#003884;letter-spacing:.2pt">/</span><span style="mso-fareast-font-family:Arial;color:#003884;letter-spacing:.4pt">a</span><span style="mso-fareast-font-family:Arial;color:#003884;letter-spacing:.25pt">r</span><span style="mso-fareast-font-family:Arial;color:#003884;letter-spacing:.2pt">t</span><span style="mso-fareast-font-family:Arial;color:#003884;letter-spacing:.15pt">i</span><span style="mso-fareast-font-family:Arial;color:#003884;letter-spacing:.35pt">c</span><span style="mso-fareast-font-family:Arial;color:#003884;letter-spacing:.15pt">l</span><span style="mso-fareast-font-family:Arial;color:#003884;letter-spacing:.4pt">e</span><span style="mso-fareast-font-family:Arial;color:#003884;letter-spacing:.2pt">/</span><span style="mso-fareast-font-family:Arial;color:#003884;letter-spacing:.4pt">de</span><span style="mso-fareast-font-family:Arial;color:#003884;letter-spacing:.2pt">t</span><span style="mso-fareast-font-family:Arial;color:#003884;letter-spacing:.4pt">a</span><span style="mso-fareast-font-family:Arial;color:#003884;letter-spacing:.15pt">il</span><span style="mso-fareast-font-family:Arial;color:#003884;letter-spacing:.35pt">s</span><span style="mso-fareast-font-family:Arial;color:#003884;letter-spacing:.2pt">/</span><span style="mso-fareast-font-family:Arial;color:#003884;letter-spacing:.4pt">77752080</span></a></span></u><span lang="EN-US" style="font-size:11.0pt;line-height:96%"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:1.05pt;text-indent:47.65pt;line-height: 96%"><span lang="EN-US" style="font-size:11.0pt;line-height:96%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#393939;letter-spacing:.1pt">10</span><span lang="EN-US" style="font-size:11.0pt;line-height:96%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#393939;letter-spacing:.05pt">.</span><span lang="EN-US" style="font-size:11.0pt;line-height:96%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#393939;letter-spacing:.1pt"> </span><span style="font-size:11.0pt;line-height:96%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.1pt">我们如何发现</span><span lang="EN-US" style="font-size:11.0pt;line-height:96%;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.05pt">oom</span><span style="font-size: 11.0pt;line-height:96%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.1pt">来⾃</span><span lang="EN-US" style="font-size: 11.0pt;line-height:96%;mso-fareast-font-family:Arial;color:#393939;letter-spacing: .05pt">jvm</span><span style="font-size:11.0pt;line-height:96%;font-family: &quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.1pt">中哪个区域?</span><span lang="EN-US" style="font-size:11.0pt;line-height:96%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:1.05pt;text-indent:47.65pt;line-height: 96%"><span lang="EN-US" style="font-size:11.0pt;line-height:96%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#393939;letter-spacing:.05pt">11. </span><span style="font-size:11.0pt;line-height:96%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.05pt">有没有</span><span lang="EN-US" style="font-size:11.0pt;line-height:96%;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.05pt">jvm</span><span style="font-size: 11.0pt;line-height:96%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.05pt">调优经验?调优⽅案有哪些</span><span style="font-size: 11.0pt;line-height:96%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939">?</span><span lang="EN-US" style="font-size:11.0pt;line-height: 96%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:2.45pt;text-indent:70.1pt;line-height: 87%"><span lang="EN-US" style="font-size:11.0pt;line-height:87%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#333333">1.<span style="letter-spacing: -.05pt"> </span></span><span style="font-size:11.0pt;line-height:87%; font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑;color:#333333">调优时机<span style="letter-spacing:-1.05pt">:</span></span><span lang="EN-US" style="font-size:11.0pt;line-height:87%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:1.2pt;text-indent:91.6pt;line-height:97%"><span lang="EN-US" style="font-size:11.0pt;line-height:97%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#333333;letter-spacing:.1pt">a. </span><u><span lang="EN-US" style="font-size:11.0pt;line-height:97%;mso-fareast-font-family: Arial;color:#333333;letter-spacing:.05pt">heap</span></u><u><span lang="EN-US" style="font-size:11.0pt;line-height:97%;mso-fareast-font-family:Arial; color:#333333;letter-spacing:.1pt"> </span></u><u><span style="font-size:11.0pt; line-height:97%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#333333;letter-spacing:.1pt">内存(⽼年代</span></u><u><span style="font-size: 11.0pt;line-height:97%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#333333;letter-spacing:.15pt">)</span></u><u><span style="font-size:11.0pt; line-height:97%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#333333;letter-spacing:.1pt">持续上涨达到设置的最⼤内存值</span></u><u><span style="font-size:11.0pt;line-height:97%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#333333;letter-spacing:.15pt">;</span></u><u><span lang="EN-US" style="font-size:11.0pt;line-height:97%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#333333">&nbsp; </span></u><span lang="EN-US" style="font-size:11.0pt;line-height:97%; font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:1.4pt;text-indent:92.05pt;line-height: 92%"><span lang="EN-US" style="font-size:11.0pt;line-height:92%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#333333;letter-spacing:-.05pt">b</span><span lang="EN-US" style="font-size:11.0pt;line-height:92%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#333333">.<span style="letter-spacing: -.15pt"> </span></span><u><span lang="EN-US" style="font-size:11.0pt;line-height: 92%;mso-fareast-font-family:Arial;color:#333333">Full<span style="letter-spacing: -.15pt"> </span>GC<span style="letter-spacing:-.15pt"> </span></span></u><u><span style="font-size:11.0pt;line-height:92%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#333333">次数频繁<span style="letter-spacing:-5.55pt">;</span><span lang="EN-US">&nbsp; </span></span></u><span lang="EN-US" style="font-size:11.0pt;line-height:92%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:1.7pt;text-indent:91.6pt;line-height:91%"><span lang="EN-US" style="font-size:11.0pt;line-height:91%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#333333">c. </span><u><span lang="EN-US" style="font-size:11.0pt;line-height:91%;mso-fareast-font-family:Arial; color:#333333">GC </span></u><u><span style="font-size:11.0pt;line-height:91%; font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑;color:#333333">停顿时间过⻓(超过</span></u><u><span lang="EN-US" style="font-size:11.0pt;line-height:91%;mso-fareast-font-family: Arial;color:#333333">1</span></u><u><span style="font-size:11.0pt;line-height: 91%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑;color:#333333">秒<span style="letter-spacing:-.9pt">);</span><span lang="EN-US">&nbsp; </span></span></u><span lang="EN-US" style="font-size:11.0pt;line-height:91%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:2.05pt;text-indent:91.6pt;line-height: 88%"><span lang="EN-US" style="font-size:11.0pt;line-height:88%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#333333;letter-spacing:.05pt">d. </span><u><span style="font-size:11.0pt;line-height:88%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#333333;letter-spacing:.05pt">应⽤出现</span></u><u><span lang="EN-US" style="font-size:11.0pt;line-height:88%;mso-fareast-font-family: Arial;color:#333333;letter-spacing:.05pt">OutOfMemory </span></u><u><span style="font-size:11.0pt;line-height:88%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#333333;letter-spacing:.05pt">等</span></u><u><span style="font-size:11.0pt;line-height:88%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#333333">内存异常<span style="letter-spacing:.05pt">;</span><span lang="EN-US">&nbsp; </span></span></u><span lang="EN-US" style="font-size:11.0pt;line-height:88%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:2.45pt;text-indent:91.6pt;line-height: 92%"><span lang="EN-US" style="font-size:11.0pt;line-height:92%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#333333;letter-spacing:.05pt">e. </span><u><span style="font-size:11.0pt;line-height:92%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#333333;letter-spacing:.05pt">应⽤中有使⽤本地缓存且占⽤</span></u><u><span style="font-size:11.0pt;line-height:92%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#333333">⼤量内存空间<span style="letter-spacing: .05pt">;</span><span lang="EN-US">&nbsp; </span></span></u><span lang="EN-US" style="font-size:11.0pt;line-height:92%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:1.65pt;text-indent:91.45pt;line-height: 93%"><span lang="EN-US" style="font-size:11.0pt;line-height:93%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#393939;letter-spacing:.15pt">f. </span><u><span style="font-size:11.0pt;line-height:93%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.45pt">系统吞吐量与响</span></u><u><span style="font-size:11.0pt;line-height:93%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.4pt">应性能不⾼或下降</span></u><span style="font-size:11.0pt;line-height:93%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.45pt">。</span><span lang="EN-US" style="font-size:11.0pt;line-height:93%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:2.55pt;text-indent:69.45pt;line-height: 87%"><span lang="EN-US" style="font-size:11.0pt;line-height:87%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#393939">2.<span style="letter-spacing: -.05pt"> </span></span><span style="font-size:11.0pt;line-height:87%; font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑;color:#393939">调优原则<span style="letter-spacing:-.45pt">:</span></span><span lang="EN-US" style="font-size: 11.0pt;line-height:87%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:1.75pt;text-indent:91.6pt;line-height: 92%"><span lang="EN-US" style="font-size:11.0pt;line-height:92%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#393939;letter-spacing:.1pt">a. </span><span style="font-size:11.0pt;line-height:92%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.2pt">多数的</span><span lang="EN-US" style="font-size:11.0pt;line-height:92%;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.1pt">Java</span><span style="font-size: 11.0pt;line-height:92%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.2pt">应</span><span style="font-size:11.0pt; line-height:92%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.15pt">⽤不需要在服务器上进⾏</span><span style="font-size: 11.0pt;line-height:92%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.1pt"> </span><span lang="EN-US" style="font-size: 11.0pt;line-height:92%;mso-fareast-font-family:Arial;color:#393939;letter-spacing: .05pt">J</span><span lang="EN-US" style="font-size:11.0pt;line-height:92%; mso-fareast-font-family:Arial;color:#393939;letter-spacing:.1pt">VM</span><span style="font-size:11.0pt;line-height:92%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.15pt">优化</span><span style="font-size:11.0pt;line-height:92%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.2pt">;</span><span lang="EN-US" style="font-size:11.0pt;line-height:92%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:1.7pt;margin-right:35.3pt;margin-bottom: 0cm;margin-left:91.9pt;margin-bottom:.0001pt;text-indent:.1pt;line-height:97%"><span lang="EN-US" style="font-size:11.0pt;line-height:97%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#393939;letter-spacing:.15pt">b</span><span lang="EN-US" style="font-size:11.0pt;line-height:97%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#393939;letter-spacing:.1pt">. </span><span style="font-size:11.0pt;line-height:97%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.25pt">多数导致</span><span lang="EN-US" style="font-size:11.0pt;line-height:97%;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.2pt">GC</span><span style="font-size:11.0pt; line-height:97%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.25pt">问题的</span><span lang="EN-US" style="font-size:11.0pt;line-height:97%;mso-fareast-font-family:Arial; color:#393939;letter-spacing:.15pt">Java</span><span style="font-size:11.0pt; line-height:97%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.25pt">应⽤</span><span style="font-size:11.0pt; line-height:97%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.3pt">,</span><span style="font-size:11.0pt; line-height:97%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.25pt">都不是因</span><span style="font-size:11.0pt; line-height:97%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.2pt">为我们参数设置错误</span><span style="font-size:11.0pt; line-height:97%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.3pt">,</span><span style="font-size:11.0pt; line-height:97%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939"> <span style="letter-spacing:.05pt">⽽是</span>代码问题<span style="letter-spacing:.05pt">;</span></span><span lang="EN-US" style="font-size: 11.0pt;line-height:97%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:1.75pt;margin-right:38.8pt;margin-bottom: 0cm;margin-left:91.6pt;margin-bottom:.0001pt;line-height:96%"><span lang="EN-US" style="font-size:11.0pt;line-height:96%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#393939;letter-spacing:.2pt">c</span><span lang="EN-US" style="font-size:11.0pt;line-height:96%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#393939;letter-spacing:.15pt">. </span><span style="font-size:11.0pt;line-height:96%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.45pt">在应⽤上线之前,</span><span style="font-size:11.0pt;line-height:96%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.4pt">先考虑将机器的</span><span lang="EN-US" style="font-size:11.0pt;line-height:96%;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.2pt">J</span><span lang="EN-US" style="font-size:11.0pt;line-height:96%;mso-fareast-font-family:Arial; color:#393939;letter-spacing:.25pt">V</span><span lang="EN-US" style="font-size: 11.0pt;line-height:96%;mso-fareast-font-family:Arial;color:#393939;letter-spacing: .3pt">M</span><span style="font-size:11.0pt;line-height:96%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.4pt">参数设置到最优(最适</span><span style="font-size:11.0pt;line-height:96%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939"> 合<span style="letter-spacing:-.45pt">);</span></span><span lang="EN-US" style="font-size:11.0pt;line-height:96%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:2.1pt;text-indent:91.6pt;line-height:92%"><span lang="EN-US" style="font-size:11.0pt;line-height:92%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#393939;letter-spacing:.1pt">d. </span><span style="font-size:11.0pt;line-height:92%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.2pt">减少创</span><span style="font-size:11.0pt;line-height:92%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.15pt">建对象的数量</span><span style="font-size:11.0pt;line-height:92%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.2pt">;</span><span lang="EN-US" style="font-size:11.0pt;line-height:92%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:1.75pt;text-indent:91.6pt;line-height: 92%"><span lang="EN-US" style="font-size:11.0pt;line-height:92%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#393939;letter-spacing:.15pt">e</span><span lang="EN-US" style="font-size:11.0pt;line-height:92%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#393939;letter-spacing:.1pt">. </span><span style="font-size:11.0pt;line-height:92%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.25pt">减少使⽤全局</span><span style="font-size:11.0pt;line-height:92%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.2pt">变量和⼤对象</span><span style="font-size:11.0pt;line-height:92%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.25pt">;</span><span lang="EN-US" style="font-size:11.0pt;line-height:92%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:1.7pt;text-indent:91.45pt;line-height: 92%"><span lang="EN-US" style="font-size:11.0pt;line-height:92%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#393939;letter-spacing:.15pt">f</span><span lang="EN-US" style="font-size:11.0pt;line-height:92%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#393939;letter-spacing:.1pt">.</span><span lang="EN-US" style="font-size:11.0pt;line-height:92%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#393939;letter-spacing:.15pt"> </span><span lang="EN-US" style="font-size:11.0pt;line-height:92%;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.2pt">J</span><span lang="EN-US" style="font-size:11.0pt;line-height:92%;mso-fareast-font-family:Arial; color:#393939;letter-spacing:.25pt">VM</span><span style="font-size:11.0pt; line-height:92%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.3pt">优化是到最后不得已才采⽤</span><span style="font-size: 11.0pt;line-height:92%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.25pt">的⼿段</span><span style="font-size:11.0pt; line-height:92%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.35pt">;</span><span lang="EN-US" style="font-size: 11.0pt;line-height:92%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:1.65pt;text-indent:91.6pt;line-height: 89%"><span lang="EN-US" style="font-size:11.0pt;line-height:89%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#393939;letter-spacing:.2pt">g</span><span lang="EN-US" style="font-size:11.0pt;line-height:89%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#393939;letter-spacing:.1pt">.</span><span lang="EN-US" style="font-size:11.0pt;line-height:89%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#393939;letter-spacing:.15pt"> </span><span style="font-size:11.0pt;line-height:89%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.3pt">在实际使⽤中</span><span style="font-size:11.0pt;line-height:89%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.35pt">,</span><span style="font-size:11.0pt;line-height:89%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.3pt">分析</span><span lang="EN-US" style="font-size:11.0pt;line-height:89%;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.25pt">GC</span><span style="font-size:11.0pt; line-height:89%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.3pt">情况优化代码⽐优化</span><span lang="EN-US" style="font-size:11.0pt;line-height:89%;mso-fareast-font-family:Arial; color:#393939;letter-spacing:.2pt">JV</span><span lang="EN-US" style="font-size: 11.0pt;line-height:89%;mso-fareast-font-family:Arial;color:#393939;letter-spacing: .25pt">M</span><span style="font-size:11.0pt;line-height:89%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.3pt">参</span><span style="font-size:11.0pt;line-height:89%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.25pt">数更好</span><span style="font-size:11.0pt;line-height:89%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.35pt">;</span><span lang="EN-US" style="font-size:11.0pt;line-height:89%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:3.35pt;text-indent:69.4pt;line-height: 88%"><span lang="EN-US" style="font-size:11.0pt;line-height:88%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#393939">3.<span style="letter-spacing: -.05pt"> </span></span><span style="font-size:11.0pt;line-height:88%; font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑;color:#393939">调优⽬标<span style="letter-spacing:-.35pt">:</span></span><span lang="EN-US" style="font-size: 11.0pt;line-height:88%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:1.65pt;text-indent:91.6pt;line-height: 92%"><span lang="EN-US" style="font-size:11.0pt;line-height:92%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#393939">a.<span style="letter-spacing: -.05pt"> </span></span><span lang="EN-US" style="font-size:11.0pt;line-height: 92%;mso-fareast-font-family:Arial;color:#393939">GC</span><span style="font-size:11.0pt;line-height:92%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939">低停顿<span style="letter-spacing:-.75pt">;</span></span><span lang="EN-US" style="font-size:11.0pt;line-height:92%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:1.65pt;text-indent:92.05pt;line-height: 92%"><span lang="EN-US" style="font-size:11.0pt;line-height:92%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#393939">b.<span style="letter-spacing: -.05pt"> </span></span><span lang="EN-US" style="font-size:11.0pt;line-height: 92%;mso-fareast-font-family:Arial;color:#393939">GC</span><span style="font-size:11.0pt;line-height:92%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939">低频率<span style="letter-spacing:-1.2pt">;</span></span><span lang="EN-US" style="font-size:11.0pt;line-height:92%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:1.7pt;text-indent:91.6pt;line-height:92%"><span lang="EN-US" style="font-size:11.0pt;line-height:92%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#393939;letter-spacing:.05pt">c. </span><span style="font-size:11.0pt;line-height:92%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939">低内存占⽤<span style="letter-spacing:.05pt">;</span></span><span lang="EN-US" style="font-size:11.0pt;line-height:92%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:1.7pt;text-indent:91.6pt;line-height:92%"><span lang="EN-US" style="font-size:11.0pt;line-height:92%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#393939">d. </span><span style="font-size: 11.0pt;line-height:92%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939">⾼吞吐量<span style="letter-spacing:-.05pt">;</span></span><span lang="EN-US" style="font-size:11.0pt;line-height:92%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:2.6pt;text-indent:69.1pt;line-height:87%"><span lang="EN-US" style="font-size:11.0pt;line-height:87%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#393939">4.<span style="letter-spacing: -.05pt"> </span></span><span style="font-size:11.0pt;line-height:87%; font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑;color:#393939">调优步骤<span style="letter-spacing:-.05pt">:</span></span><span lang="EN-US" style="font-size: 11.0pt;line-height:87%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:1.15pt;margin-right:38.75pt;margin-bottom: 0cm;margin-left:91.75pt;margin-bottom:.0001pt;text-indent:-.15pt;line-height: 98%"><span lang="EN-US" style="font-size:11.0pt;line-height:98%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#393939;letter-spacing:.25pt">a</span><span lang="EN-US" style="font-size:11.0pt;line-height:98%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#393939;letter-spacing:.15pt">. </span><span style="font-size:11.0pt;line-height:98%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.4pt">分析</span><span lang="EN-US" style="font-size:11.0pt;line-height:98%;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.3pt">GC</span><span style="font-size:11.0pt; line-height:98%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.4pt">⽇志及</span><span lang="EN-US" style="font-size: 11.0pt;line-height:98%;mso-fareast-font-family:Arial;color:#393939;letter-spacing: .25pt">du</span><span lang="EN-US" style="font-size:11.0pt;line-height:98%; mso-fareast-font-family:Arial;color:#393939;letter-spacing:.35pt">m</span><span lang="EN-US" style="font-size:11.0pt;line-height:98%;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.25pt">p</span><span style="font-size:11.0pt; line-height:98%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.4pt">⽂件,判断是否需</span><span style="font-size:11.0pt; line-height:98%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.35pt">要优化</span><span style="font-size:11.0pt; line-height:98%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.4pt">,</span><span style="font-size:11.0pt; line-height:98%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.35pt">确定瓶颈问题</span><span style="font-size:11.0pt; line-height:98%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939"> 点<span style="letter-spacing:-1.0pt">;</span></span><span lang="EN-US" style="font-size:11.0pt;line-height:98%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:1.25pt;text-indent:92.05pt;line-height: 96%"><span lang="EN-US" style="font-size:11.0pt;line-height:96%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#393939;letter-spacing:.15pt">b</span><span lang="EN-US" style="font-size:11.0pt;line-height:96%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#393939;letter-spacing:.1pt">. </span><span style="font-size:11.0pt;line-height:96%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.2pt">确定</span><span lang="EN-US" style="font-size:11.0pt;line-height:96%;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.1pt">jv</span><span lang="EN-US" style="font-size:11.0pt;line-height:96%;mso-fareast-font-family:Arial; color:#393939;letter-spacing:.15pt">m</span><span style="font-size:11.0pt; line-height:96%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.15pt">调优量化⽬标</span><span style="font-size:11.0pt; line-height:96%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.25pt">;</span><span lang="EN-US" style="font-size: 11.0pt;line-height:96%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:1.1pt;text-indent:91.6pt;line-height:96%"><span lang="EN-US" style="font-size:11.0pt;line-height:96%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#393939;letter-spacing:.2pt">c</span><span lang="EN-US" style="font-size:11.0pt;line-height:96%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#393939;letter-spacing:.15pt">. </span><span style="font-size:11.0pt;line-height:96%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.35pt">确定</span><span lang="EN-US" style="font-size:11.0pt;line-height:96%;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.1pt">j</span><span lang="EN-US" style="font-size:11.0pt;line-height:96%;mso-fareast-font-family:Arial; color:#393939;letter-spacing:.2pt">v</span><span lang="EN-US" style="font-size: 11.0pt;line-height:96%;mso-fareast-font-family:Arial;color:#393939;letter-spacing: .3pt">m</span><span style="font-size:11.0pt;line-height:96%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.35pt">调优参数(根据历史</span><span lang="EN-US" style="font-size:11.0pt;line-height:96%;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.1pt">j</span><span lang="EN-US" style="font-size:11.0pt;line-height:96%;mso-fareast-font-family:Arial; color:#393939;letter-spacing:.15pt">v</span><span lang="EN-US" style="font-size: 11.0pt;line-height:96%;mso-fareast-font-family:Arial;color:#393939;letter-spacing: .25pt">m</span><span style="font-size:11.0pt;line-height:96%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.3pt">参数来调整</span><span style="font-size:11.0pt;line-height:96%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.4pt">);</span><span lang="EN-US" style="font-size:11.0pt;line-height:96%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:1.5pt;text-indent:91.6pt;line-height:92%"><span lang="EN-US" style="font-size:11.0pt;line-height:92%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#393939;letter-spacing:.2pt">d</span><span lang="EN-US" style="font-size:11.0pt;line-height:92%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#393939;letter-spacing:.1pt">.</span><span lang="EN-US" style="font-size:11.0pt;line-height:92%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#393939;letter-spacing:.15pt"> </span><span style="font-size:11.0pt;line-height:92%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.3pt">调优⼀台服务器</span><span style="font-size:11.0pt;line-height:92%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.35pt">,</span><span style="font-size:11.0pt;line-height:92%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.3pt">对⽐观察调优前后</span><span style="font-size:11.0pt;line-height:92%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.25pt">的差异</span><span style="font-size:11.0pt;line-height:92%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.35pt">;</span><span lang="EN-US" style="font-size:11.0pt;line-height:92%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:1.25pt;text-indent:91.6pt;line-height: 96%"><span lang="EN-US" style="font-size:11.0pt;line-height:96%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#393939;letter-spacing:.2pt">e</span><span lang="EN-US" style="font-size:11.0pt;line-height:96%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#393939;letter-spacing:.15pt">. </span><span style="font-size:11.0pt;line-height:96%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.35pt">不断的分析和调整,知道找到合</span><span style="font-size:11.0pt;line-height:96%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.3pt">适的</span><span lang="EN-US" style="font-size:11.0pt;line-height:96%;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.05pt">j</span><span lang="EN-US" style="font-size:11.0pt;line-height:96%;mso-fareast-font-family:Arial; color:#393939;letter-spacing:.15pt">v</span><span lang="EN-US" style="font-size: 11.0pt;line-height:96%;mso-fareast-font-family:Arial;color:#393939;letter-spacing: .25pt">m</span><span style="font-size:11.0pt;line-height:96%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.3pt">参数配置</span><span style="font-size:11.0pt;line-height:96%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.35pt">;</span><span lang="EN-US" style="font-size:11.0pt;line-height:96%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> <p class="MsoNormal" style="margin-top:1.5pt;text-indent:91.45pt;line-height: 92%"><span lang="EN-US" style="font-size:11.0pt;line-height:92%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#393939;letter-spacing:.2pt">f. </span><span style="font-size:11.0pt;line-height:92%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.45pt">找到</span><span style="font-size:11.0pt;line-height:92%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.4pt">最合适的参数</span><span style="font-size:11.0pt;line-height:92%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.5pt">,</span><span style="font-size:11.0pt;line-height:92%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.4pt">将这些参数应⽤到所有服务器</span><span style="font-size:11.0pt;line-height:92%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.5pt">,</span><span style="font-size:11.0pt;line-height:92%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.4pt">并进⾏后续</span><span lang="EN-US" style="font-size:11.0pt;line-height:92%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p> </div><p> <span lang="EN-US" style="font-size:10.5pt;font-family:&quot;Arial&quot;,sans-serif; mso-fareast-font-family:宋体;mso-fareast-theme-font:minor-fareast;mso-ansi-language: EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA;mso-no-proof:yes"><br clear="all" style="page-break-before:always;mso-break-type:section-break"> </span> </p><p class="MsoNormal" style="line-height:137%"><span lang="EN-US">&nbsp;</span></p><p class="MsoNormal" style="margin-top:4.75pt;text-indent:91.75pt;line-height: 87%"><span style="font-size:11.0pt;line-height:87%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939">跟踪<span style="letter-spacing:-.6pt">。</span></span><span lang="EN-US" style="font-size:11.0pt;line-height:87%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p><p class="MsoNormal" style="margin-top:2.55pt;text-indent:47.65pt;line-height: 87%"><span lang="EN-US" style="font-size:11.0pt;line-height:87%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#393939;letter-spacing:.15pt">12</span><span lang="EN-US" style="font-size:11.0pt;line-height:87%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#393939;letter-spacing:.1pt">.</span><span lang="EN-US" style="font-size:11.0pt;line-height:87%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#393939;letter-spacing:.15pt"> </span><span style="font-size:11.0pt;line-height:87%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.25pt">平时有没有看过什么源码</span><span style="font-size:11.0pt;line-height:87%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.3pt">,</span><span style="font-size:11.0pt;line-height:87%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.25pt">请画出来</span><span style="font-size:11.0pt;line-height:87%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.3pt">。</span><span lang="EN-US" style="font-size:11.0pt;line-height:87%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p><p class="MsoNormal" style="margin-top:1.3pt;margin-right:58.25pt;margin-bottom: 0cm;margin-left:47.65pt;margin-bottom:.0001pt;text-indent:21.75pt;line-height: 101%"><span style="font-size:11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.7pt">深⼊理解:</span><span lang="EN-US" style="font-size:11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939">&nbsp; </span><u><span lang="EN-US" style="font-size:11.0pt;line-height:101%; color:#003884;letter-spacing:.4pt"><a href="https://juejin.im/post/5caef238e51d456e27504b83"><span style="mso-fareast-font-family: Arial;color:#003884">h</span><span style="mso-fareast-font-family:Arial; color:#003884;letter-spacing:.2pt">tt</span><span style="mso-fareast-font-family: Arial;color:#003884">p</span><span style="mso-fareast-font-family:Arial; color:#003884;letter-spacing:.35pt">s</span><span style="mso-fareast-font-family: Arial;color:#003884;letter-spacing:.2pt">://j</span><span style="mso-fareast-font-family: Arial;color:#003884">ue</span><span style="mso-fareast-font-family:Arial; color:#003884;letter-spacing:.2pt">ji</span><span style="mso-fareast-font-family: Arial;color:#003884">n</span><span style="mso-fareast-font-family:Arial; color:#003884;letter-spacing:.2pt">.i</span><span style="mso-fareast-font-family: Arial;color:#003884;letter-spacing:.6pt">m</span><span style="mso-fareast-font-family: Arial;color:#003884;letter-spacing:.2pt">/</span><span style="mso-fareast-font-family: Arial;color:#003884">po</span><span style="mso-fareast-font-family:Arial; color:#003884;letter-spacing:.35pt">s</span><span style="mso-fareast-font-family: Arial;color:#003884;letter-spacing:.15pt">t/</span><span style="mso-fareast-font-family: Arial;color:#003884;letter-spacing:.35pt">5</span><span style="mso-fareast-font-family: Arial;color:#003884;letter-spacing:.3pt">c</span><span style="mso-fareast-font-family: Arial;color:#003884;letter-spacing:.35pt">ae</span><span style="mso-fareast-font-family: Arial;color:#003884;letter-spacing:.15pt">f</span><span style="mso-fareast-font-family: Arial;color:#003884;letter-spacing:.35pt">238e51d456e27504b83</span></a></span></u><span lang="EN-US" style="font-size:11.0pt;line-height:101%;mso-fareast-font-family: Arial;color:#003884"> </span><span lang="EN-US" style="font-size:11.0pt; line-height:101%;font-family:&quot;Tahoma&quot;,sans-serif;mso-fareast-font-family:Tahoma; color:#393939;letter-spacing:.3pt">13</span><span lang="EN-US" style="font-size: 11.0pt;line-height:101%;font-family:&quot;Tahoma&quot;,sans-serif;mso-fareast-font-family: Tahoma;color:#393939;letter-spacing:.15pt">.</span><span lang="EN-US" style="font-size:11.0pt;line-height:101%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#393939;letter-spacing:.2pt"> </span><span style="font-size:11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.45pt">有没有写过或者看过</span><span lang="EN-US" style="font-size:11.0pt;line-height:101%;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.2pt">c</span><span lang="EN-US" style="font-size:11.0pt;line-height:101%;mso-fareast-font-family:Arial; color:#393939;letter-spacing:.25pt">u</span><span lang="EN-US" style="font-size: 11.0pt;line-height:101%;mso-fareast-font-family:Arial;color:#393939;letter-spacing: .2pt">s</span><span lang="EN-US" style="font-size:11.0pt;line-height:101%; mso-fareast-font-family:Arial;color:#393939;letter-spacing:.1pt">t</span><span lang="EN-US" style="font-size:11.0pt;line-height:101%;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.25pt">o</span><span lang="EN-US" style="font-size:11.0pt;line-height:101%;mso-fareast-font-family:Arial; color:#393939;letter-spacing:.35pt">m</span><span lang="EN-US" style="font-size: 11.0pt;line-height:101%;mso-fareast-font-family:Arial;color:#393939;letter-spacing: .15pt"> </span><span lang="EN-US" style="font-size:11.0pt;line-height:101%; mso-fareast-font-family:Arial;color:#393939;letter-spacing:.2pt">c</span><span lang="EN-US" style="font-size:11.0pt;line-height:101%;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.1pt">l</span><span lang="EN-US" style="font-size:11.0pt;line-height:101%;mso-fareast-font-family:Arial; color:#393939;letter-spacing:.25pt">a</span><span lang="EN-US" style="font-size: 11.0pt;line-height:101%;mso-fareast-font-family:Arial;color:#393939;letter-spacing: .2pt">ss</span><span lang="EN-US" style="font-size:11.0pt;line-height:101%; mso-fareast-font-family:Arial;color:#393939;letter-spacing:.1pt">l</span><span lang="EN-US" style="font-size:11.0pt;line-height:101%;mso-fareast-font-family: Arial;color:#393939;letter-spacing:.25pt">oade</span><span lang="EN-US" style="font-size:11.0pt;line-height:101%;mso-fareast-font-family:Arial; color:#393939;letter-spacing:.15pt">r</span><span style="font-size:11.0pt; line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑; color:#393939;letter-spacing:.45pt">?</span><span lang="EN-US" style="font-size: 11.0pt;line-height:101%;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family: 微软雅黑"><o:p></o:p></span></p><p class="MsoNormal" style="margin-top:.05pt;margin-right:83.8pt;margin-bottom: 0cm;margin-left:47.65pt;margin-bottom:.0001pt;text-indent:22.4pt;line-height: 105%"><span style="font-size:11.0pt;line-height:105%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.5pt">了解⼀下即可:</span><span lang="EN-US" style="font-size:11.0pt;line-height:105%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939">&nbsp; </span><u><span lang="EN-US" style="font-size:11.0pt;line-height:105%; color:#003884;letter-spacing:.3pt"><a href="https://www.jianshu.com/p/3036b46f1188"><span style="mso-fareast-font-family: Arial;color:#003884">h</span><span style="mso-fareast-font-family:Arial; color:#003884;letter-spacing:.15pt">tt</span><span style="mso-fareast-font-family: Arial;color:#003884">p</span><span style="mso-fareast-font-family:Arial; color:#003884;letter-spacing:.25pt">s</span><span style="mso-fareast-font-family: Arial;color:#003884;letter-spacing:.15pt">://</span><span style="mso-fareast-font-family: Arial;color:#003884;letter-spacing:.4pt">www</span><span style="mso-fareast-font-family: Arial;color:#003884;letter-spacing:.15pt">.ji</span><span style="mso-fareast-font-family: Arial;color:#003884">an</span><span style="mso-fareast-font-family:Arial; color:#003884;letter-spacing:.25pt">shu</span><span style="mso-fareast-font-family: Arial;color:#003884;letter-spacing:.1pt">.</span><span style="mso-fareast-font-family: Arial;color:#003884;letter-spacing:.2pt">c</span><span style="mso-fareast-font-family: Arial;color:#003884;letter-spacing:.25pt">o</span><span style="mso-fareast-font-family: Arial;color:#003884;letter-spacing:.4pt">m</span><span style="mso-fareast-font-family: Arial;color:#003884;letter-spacing:.1pt">/</span><span style="mso-fareast-font-family: Arial;color:#003884;letter-spacing:.25pt">p</span><span style="mso-fareast-font-family: Arial;color:#003884;letter-spacing:.1pt">/</span><span style="mso-fareast-font-family: Arial;color:#003884;letter-spacing:.25pt">3036b46</span><span style="mso-fareast-font-family: Arial;color:#003884;letter-spacing:.1pt">f</span><span style="mso-fareast-font-family: Arial;color:#003884;letter-spacing:.25pt">1188</span></a></span></u><span lang="EN-US" style="font-size:11.0pt;line-height:105%;mso-fareast-font-family: Arial;color:#003884"> </span><span lang="EN-US" style="font-size:11.0pt; line-height:105%;font-family:&quot;Tahoma&quot;,sans-serif;mso-fareast-font-family:Tahoma; color:#393939;letter-spacing:.2pt">14</span><span lang="EN-US" style="font-size: 11.0pt;line-height:105%;font-family:&quot;Tahoma&quot;,sans-serif;mso-fareast-font-family: Tahoma;color:#393939;letter-spacing:.1pt">.</span><span lang="EN-US" style="font-size:11.0pt;line-height:105%;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#393939;letter-spacing:.2pt"> </span><span style="font-size:11.0pt;line-height:105%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.3pt">介绍你最近做的⼀个项⽬</span><span style="font-size:11.0pt;line-height:105%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.4pt">,</span><span style="font-size:11.0pt;line-height:105%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.3pt">画出框架图并分析业务流程</span><span style="font-size:11.0pt;line-height:105%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑;color:#393939;letter-spacing:.4pt">。</span><span lang="EN-US" style="font-size:11.0pt;line-height:105%;font-family:&quot;微软雅黑&quot;,sans-serif; mso-bidi-font-family:微软雅黑"><o:p></o:p></span></p><p> <span lang="EN-US" style="font-size:11.0pt;font-family:&quot;Tahoma&quot;,sans-serif; mso-fareast-font-family:Tahoma;color:#393939;letter-spacing:-.1pt;mso-ansi-language: EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA;mso-no-proof:yes">1</span><span lang="EN-US" style="font-size:11.0pt;font-family:&quot;Tahoma&quot;,sans-serif;mso-fareast-font-family: Tahoma;color:#393939;letter-spacing:-.05pt;mso-ansi-language:EN-US;mso-fareast-language: ZH-CN;mso-bidi-language:AR-SA;mso-no-proof:yes">5.</span><span lang="EN-US" style="font-size:11.0pt;font-family:&quot;Tahoma&quot;,sans-serif;mso-fareast-font-family: Tahoma;color:#393939;letter-spacing:-2.15pt;mso-ansi-language:EN-US;mso-fareast-language: ZH-CN;mso-bidi-language:AR-SA;mso-no-proof:yes"> </span><span style="font-size: 11.0pt;font-family:&quot;微软雅黑&quot;,sans-serif;mso-bidi-font-family:微软雅黑;color:#393939; letter-spacing:-.1pt;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN; mso-bidi-language:AR-SA;mso-no-proof:yes">平时看过那些书?</span><br></p>

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