arthas/assets/user-question-history12740.html.58af5398.js

import{_ as d,o as i,c,b as t,w as s,a,d as l,e,r as o}from"./app.5024572d.js";const _={},u=l(`<h2 id="\u7528\u6237\u95EE\u9898" tabindex="-1"><a class="header-anchor" href="#\u7528\u6237\u95EE\u9898" aria-hidden="true">#</a> \u7528\u6237\u95EE\u9898 \uFF1A</h2><p>arthas\u600E\u4E48\u5206\u6790cpu\u5F88\u9AD8</p><hr><h2 id="\u4E13\u5BB6\u5B98\u65B9\u89E3\u7B54" tabindex="-1"><a class="header-anchor" href="#\u4E13\u5BB6\u5B98\u65B9\u89E3\u7B54" aria-hidden="true">#</a> \u4E13\u5BB6\u5B98\u65B9\u89E3\u7B54 \uFF1A</h2><p>\u4E3A\u4E86\u89E3\u51B3\u95EE\u9898\u300Carthas arthas\u600E\u4E48\u5206\u6790cpu\u5F88\u9AD8\u300D\uFF0C\u6211\u4EEC\u53EF\u4EE5\u6309\u7167\u4EE5\u4E0B\u6B65\u9AA4\u5229\u7528Arthas\u8FDB\u884C\u5206\u6790\uFF1A</p><h3 id="_1-\u786E\u4FDDarthas\u5DF2\u51C6\u5907\u5C31\u7EEA" tabindex="-1"><a class="header-anchor" href="#_1-\u786E\u4FDDarthas\u5DF2\u51C6\u5907\u5C31\u7EEA" aria-hidden="true">#</a> 1. \u786E\u4FDDArthas\u5DF2\u51C6\u5907\u5C31\u7EEA</h3><p>\u9996\u5148\uFF0C\u8BF7\u786E\u4FDD\u60A8\u5DF2\u7ECF\u6309\u7167Arthas\u7684<a href="#PF0vt">\u5FEB\u901F\u542F\u52A8</a>\u6307\u5357\u6210\u529F\u4E0B\u8F7D\u5E76\u5B89\u88C5\u4E86Arthas\u3002\u5982\u679C\u60A8\u8FD8\u672A\u5B89\u88C5\uFF0C\u53EF\u4EE5\u901A\u8FC7\u4EE5\u4E0B\u547D\u4EE4\u5FEB\u901F\u5B89\u88C5\uFF1A</p><div class="language-bash ext-sh line-numbers-mode"><pre class="language-bash"><code><span class="token function">curl</span> <span class="token parameter variable">-O</span> https://arthas.aliyun.com/arthas-boot.jar
<span class="token function">java</span> <span class="token parameter variable">-jar</span> arthas-boot.jar
</code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div></div></div><p>\u9009\u62E9\u76EE\u6807Java\u8FDB\u7A0B\u8FDB\u884C\u6302\u8F7D\u540E\uFF0C\u60A8\u5C06\u770B\u5230Arthas\u7684\u542F\u52A8\u4FE1\u606F\uFF0C\u8868\u660E\u5B83\u5DF2\u51C6\u5907\u597D\u63A5\u53D7\u547D\u4EE4\u3002</p><h3 id="_2-\u6392\u9664gc\u5F71\u54CD" tabindex="-1"><a class="header-anchor" href="#_2-\u6392\u9664gc\u5F71\u54CD" aria-hidden="true">#</a> 2. \u6392\u9664GC\u5F71\u54CD</h3><p>\u6839\u636EArthas\u7684\u4F7F\u7528\u6307\u5BFC\uFF0C\u9996\u5148\u8FD0\u884C<code>dashboard</code>\u547D\u4EE4\u6765\u68C0\u67E5\u7CFB\u7EDF\u72B6\u6001\uFF0C\u91CD\u70B9\u5173\u6CE8Memory\u90E8\u5206\u7684\u4FE1\u606F\u3002\u8FD9\u4E00\u6B65\u662F\u4E3A\u4E86\u6392\u9664\u5185\u5B58\u4F7F\u7528\u6EE1\u6216GC\u9891\u7387\u8FC7\u9AD8\u5BFC\u81F4\u7684CPU\u5347\u9AD8\u3002\u89C2\u5BDF\uFF1A</p><ul><li><strong>\u5185\u5B58\u4F7F\u7528\u60C5\u51B5</strong>\uFF1A\u662F\u5426\u63A5\u8FD1\u6EE1\u8F7D\uFF1F</li><li><strong>GC\u8BA1\u6570</strong>\uFF1A\u9891\u7387\u662F\u5426\u5F02\u5E38\u9AD8\uFF1F</li></ul><h3 id="_3-\u5B9A\u4F4D\u9AD8cpu\u6D88\u8017\u7EBF\u7A0B" tabindex="-1"><a class="header-anchor" href="#_3-\u5B9A\u4F4D\u9AD8cpu\u6D88\u8017\u7EBF\u7A0B" aria-hidden="true">#</a> 3. \u5B9A\u4F4D\u9AD8CPU\u6D88\u8017\u7EBF\u7A0B</h3><p>\u5728<code>dashboard</code>\u547D\u4EE4\u7684\u8F93\u51FA\u4E2D\uFF0C\u7EE7\u7EED\u5173\u6CE8\u8FDB\u7A0B\u76F8\u5173\u4FE1\u606F\uFF0C\u627E\u51FACPU\u6D88\u8017\u8F83\u9AD8\u7684\u7EBF\u7A0B\u3002\u6CE8\u610F\u6392\u5728\u5217\u8868\u524D\u9762\u7684\u7EBF\u7A0B\uFF0C\u601D\u8003\u5B83\u4EEC\u53EF\u80FD\u4E0E\u7A0B\u5E8F\u7684\u54EA\u90E8\u5206\u64CD\u4F5C\u76F8\u5173\u3002</p><h3 id="_4-\u6DF1\u5165\u5206\u6790\u9AD8cpu\u7EBF\u7A0B" tabindex="-1"><a class="header-anchor" href="#_4-\u6DF1\u5165\u5206\u6790\u9AD8cpu\u7EBF\u7A0B" aria-hidden="true">#</a> 4. \u6DF1\u5165\u5206\u6790\u9AD8CPU\u7EBF\u7A0B</h3><p>\u4F7F\u7528<code>thread -n 8</code>\u547D\u4EE4\u6765\u6DF1\u5165\u67E5\u770B\u6700\u5FD9\u76848\u4E2A\u7EBF\u7A0B\u7684\u5806\u6808\u4FE1\u606F\u3002\u8FD9\u5C06\u5E2E\u52A9\u60A8\u5B9A\u4F4D\u5230\u5177\u4F53\u54EA\u4E2A\u65B9\u6CD5\u6216\u4EE3\u7801\u5757\u6D88\u8017\u4E86\u5927\u91CFCPU\u8D44\u6E90\u3002\u4ED4\u7EC6\u67E5\u770B\u8FD9\u4E9B\u7EBF\u7A0B\u7684\u5806\u6808\u8DDF\u8E2A\uFF0C\u901A\u5E38\u6700\u9891\u7E41\u51FA\u73B0\u7684\u65B9\u6CD5\u5C31\u662F\u6027\u80FD\u74F6\u9888\u6240\u5728\u3002</p><h3 id="\u89E3\u91CA\u8BF4\u660E" tabindex="-1"><a class="header-anchor" href="#\u89E3\u91CA\u8BF4\u660E" aria-hidden="true">#</a> 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