arthas/assets/user-question-history13507.html.0abfa3db.js

import{_ as t,o as i,c as h,b as o,w as d,a,d as c,e,r as n}from"./app.977e81c1.js";const l={},_=c(`<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\u67E5\u770B\u5185\u5B58\u5360\u7528\u5927\u7684\u5730\u65B9</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>\u8981\u4F7F\u7528Arthas\u6765\u67E5\u770B\u5185\u5B58\u5360\u7528\u5927\u7684\u5730\u65B9\uFF0C\u53EF\u4EE5\u9075\u5FAA\u4EE5\u4E0B\u6B65\u9AA4\u8FDB\u884C\u5206\u6790\u4E0E\u8BCA\u65AD\uFF1A</p><h3 id="_1-\u521D\u59CB\u68C0\u67E5" tabindex="-1"><a class="header-anchor" href="#_1-\u521D\u59CB\u68C0\u67E5" aria-hidden="true">#</a> 1. \u521D\u59CB\u68C0\u67E5</h3><p>\u9996\u5148\uFF0C\u4F7F\u7528Arthas\u7684<code>meminfo</code>\u547D\u4EE4\u6765\u67E5\u770BArthas\u81EA\u8EAB\u53CA\u5176\u7EC4\u4EF6\u7684\u5185\u5B58\u5360\u7528\u60C5\u51B5\uFF0C\u8FD9\u80FD\u5E2E\u52A9\u6211\u4EEC\u4E86\u89E3\u57FA\u7840\u7684\u5185\u5B58\u4F7F\u7528\u6982\u51B5\u3002</p><div class="language-bash ext-sh line-numbers-mode"><pre class="language-bash"><code>$ profiler meminfo
</code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div></div></div><h3 id="_2-jvm\u5185\u5B58\u72B6\u6001\u6982\u89C8" tabindex="-1"><a class="header-anchor" href="#_2-jvm\u5185\u5B58\u72B6\u6001\u6982\u89C8" aria-hidden="true">#</a> 2. JVM\u5185\u5B58\u72B6\u6001\u6982\u89C8</h3><p>\u63A5\u7740\uFF0C\u8FD0\u884C<code>memory</code>\u547D\u4EE4\u4EE5\u83B7\u53D6\u5F53\u524DJava\u865A\u62DF\u673A(JVM)\u7684\u6574\u4F53\u5185\u5B58\u4F7F\u7528\u72B6\u6001\uFF0C\u5305\u62EC\u5806\u5185\u5B58\u3001\u975E\u5806\u5185\u5B58\u4EE5\u53CA\u5404\u7EC6\u5206\u533A\u57DF\u7684\u4F7F\u7528\u8BE6\u60C5\u3002\u8FD9\u4E00\u6B65\u5BF9\u4E8E\u8BC6\u522B\u5185\u5B58\u662F\u5426\u6CC4\u6F0F\u53CA\u5927\u81F4\u4F4D\u7F6E\u81F3\u5173\u91CD\u8981\u3002</p><div class="language-bash ext-sh line-numbers-mode"><pre class="language-bash"><code>$ memory
</code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div></div></div><h3 id="\u5206\u6790\u5173\u952E\u8BCD\u89E3\u91CA" tabindex="-1"><a class="header-anchor" href="#\u5206\u6790\u5173\u952E\u8BCD\u89E3\u91CA" aria-hidden="true">#</a> \u5206\u6790\u5173\u952E\u8BCD\u89E3\u91CA</h3><ul><li>\u89C2\u5BDF<code>heap</code>\u533A\u57DF\uFF0C\u7279\u522B\u662F<code>g1_old_gen</code>\u7684\u589E\u957F\u60C5\u51B5\uFF0C\u56E0\u4E3A\u957F\u671F\u5B58\u6D3B\u7684\u5BF9\u8C61\u901A\u5E38\u5728\u6B64\u79EF\u7D2F\u3002</li><li>\u6CE8\u610F<code>nonheap</code>\u533A\u57DF\uFF0C\u7279\u522B\u662F<code>metaspace</code>\u7684\u589E\u957F\uFF0C\u8FC7\u5927\u7684\u7C7B\u5143\u6570\u636E\u53EF\u80FD\u5BFC\u81F4\u95EE\u9898\u3002</li><li>\u68C0\u67E5\u662F\u5426\u6709\u7279\u5B9A\u7684<code>codeheap</code>\u533A\u57DF\u5F02\u5E38\u589E\u957F\uFF0C\u8FD9\u53EF\u80FD\u610F\u5473\u7740\u5373\u65F6\u7F16\u8BD1\u7684\u4EE3\u7801\u5360\u7528\u8FC7\u591A\u5185\u5B58\u3002</li></ul><h3 id="_3-\u5B9A\u4F4D\u5185\u5B58\u6CC4\u6F0F" tabindex="-1"><a class="header-anchor" href="#_3-\u5B9A\u4F4D\u5185\u5B58\u6CC4\u6F0F" aria-hidden="true">#</a> 3. \u5B9A\u4F4D\u5185\u5B58\u6CC4\u6F0F</h3><ul><li><strong>\u8FDE\u7EED\u76D1\u63A7</strong>\uFF1A\u591A\u6B21\u6267\u884C<code>memory</code>\u547D\u4EE4\u5E76\u8BB0\u5F55\u7ED3\u679C\uFF0C\u5173\u6CE8\u4EFB\u4F55\u6301\u7EED\u589E\u957F\u7684\u5185\u5B58\u533A\u57DF\u3002</li><li><strong>\u5806\u8F6C\u50A8\u5206\u6790</strong>\uFF1A\u4F7F\u7528<code>heapdump</code>\u547D\u4EE4\u751F\u6210\u5806\u7684\u5FEB\u7167\uFF0C\u968F\u540E\u5229\u7528\u5982Eclipse MAT\u7B49\u5DE5\u5177\u6DF1\u5165\u5206\u6790\u589E\u957F\u7684\u5BF9\u8C61\u7C7B\u578B\u548C\u5F15\u7528\u94FE\u8DEF\u3002</li></ul><div class="language-bash ext-sh line-numbers-mode"><pre class="language-bash"><code><span class="token punctuation">[</span>arthas@58205<span class="token punctuation">]</span>$ heapdump arthas-output/dump.hprof
</code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div></div></div><h3 id="\u89E3\u91CA" tabindex="-1"><a class="header-anchor" href="#\u89E3\u91CA" aria-hidden="true">#</a> \u89E3\u91CA</h3><p>\u901A\u8FC7\u5BF9\u6BD4\u4E0D\u540C\u65F6\u95F4\u70B9\u7684<code>memory</code>\u547D\u4EE4\u8F93\u51FA\uFF0C\u53EF\u4EE5\u53D1\u73B0\u5185\u5B58\u6CC4\u6F0F\u7684\u8D8B\u52BF\u3002\u800C<code>heapdump</code>\u751F\u6210\u7684\u5806\u8F6C\u50A8\u6587\u4EF6\u80FD\u591F\u63D0\u4F9B\u6CC4\u9732\u5BF9\u8C61\u7684\u8BE6\u7EC6\u4FE1\u606F\uFF0C\u5305\u62EC\u5B83\u4EEC\u7684\u6570\u91CF\u3001\u5927\u5C0F\u53CA\u5F15\u7528\u5173\u7CFB\uFF0C\u8FD9\u5BF9\u4E8E\u5B9A\u4F4D\u5177\u4F53\u6CC4\u6F0F\u6E90\u975E\u5E38\u5173\u952E\u3002</p><h3 id="\u6CE8\u610F\u4E8B\u9879" tabindex="-1"><a class="header-anchor" href="#\u6CE8\u610F\u4E8B\u9879" aria-hidden="true">#</a> \u6CE8\u610F\u4E8B\u9879</h3><p>\u5982\u679C\u5728\u5C1D\u8BD5\u542F\u52A8Arthas\u65F6\u9047\u5230\u5185\u5B58\u6EA2\u51FA\u9519\u8BEF\uFF0C\u8BF7\u786E\u4FDD\u76EE\u6807\u5E94\u7528\u6709\u8DB3\u591F\u7684\u5185\u5B58\u5206\u914D\uFF0C\u5FC5\u8981\u65F6\u8C03\u6574JVM\u542F\u52A8\u53C2\u6570\u4EE5\u589E\u5927\u53EF\u7528\u5185\u5B58\u3002</p><h3 id="\u7ED3\u8BBA" tabindex="-1"><a class="header-anchor" href="#\u7ED3\u8BBA" aria-hidden="true">#</a> \u7ED3\u8BBA</h3><p>\u7EFC\u4E0A\u6240\u8FF0\uFF0C\u5229\u7528Arthas\u7684<code>meminfo</code>\u548C<code>memory</code>\u547D\u4EE4\u8FDB\u884C\u521D\u6B65\u68C0\u67E5\uFF0C\u7ED3\u5408\u5468\u671F\u6027\u5730\u751F\u6210\u5E76\u5206\u6790\u5806\u8F6C\u50A8\u6587\u4EF6\uFF0C\u662F\u5B9A\u4F4D\u548C\u89E3\u51B3\u5185\u5B58\u5360\u7528\u8FC7\u5927\u6216\u5185\u5B58\u6CC4\u6F0F\u95EE\u9898\u7684\u6709\u6548\u7B56\u7565\u3002\u8BB0\u5F97\u5728\u8FDB\u884C\u5206\u6790\u524D\u786E\u4FDDArthas\u81EA\u8EAB\u7684\u5185\u5B58\u5360\u7528\u4E0D\u4F1A\u5E72\u6270\u5230\u8BCA\u65AD\u8FC7\u7A0B\u3002</p>`,22),u=e("---------------"),p=a("h2",{id:"\u53C2\u8003\u94FE\u63A5",tabindex:"-1"},[a("a",{class:"header-anchor",href:"#\u53C2\u8003\u94FE\u63A5","aria-hidden":"true"},"#"),e(" \u53C2\u8003\u94FE\u63A5 \uFF1A")],-1),m=e("*"),f={href:"https://github.com/alibaba/arthas/tree/master/site/docs/doc/profiler.md",target:"_blank",rel:"noopener noreferrer"},b=e("# profiler"),v=a("p",null,"*\u4E13\u5BB6\u7ECF\u9A8C\uFF1AArthas \u6392\u67E5\u5185\u5B58\u6CC4\u9732\u7684\u65B9\u6CD5",-1),g=a("p",null,"*\u4E13\u5BB6\u7ECF\u9A8C\uFF1Aarthas\u542F\u52A8\u65F6\u5185\u5B58\u6EA2\u51FA",-1),x=e("---------------"),k={id:"\u7B54\u7591\u670D\u52A1\u8BF4\u660E",tabindex:"-1"},y=a("a",{class:"header-anchor",href:"#\u7B54\u7591\u670D\u52A1\u8BF4\u660E","aria-hidden":"true"},"#",-1),A=e(),V=e("\u7B54\u7591\u670D\u52A1\u8BF4\u660E\uFF1A"),F=e("\u672C\u5185\u5BB9\u7ECF\u7531\u6280\u672F\u4E13\u5BB6\u5BA1\u9605\u7684\u7528\u6237\u95EE\u7B54\u7684\u955C\u50CF\u751F\u6210\uFF0C\u6211\u4EEC\u63D0\u4F9B\u4E86"),J=e("\u4E13\u5BB6\u667A\u80FD\u7B54\u7591\u670D\u52A1"),E=e("\uFF0C\u5728"),B=e("\u9875\u9762\u7684\u53F3\u4E0B\u7684\u6D6E\u7A97\u201D\u4E13\u5BB6\u7B54\u7591\u201C"),I=e("\u3002\u60A8\u4E5F\u53EF\u4EE5\u8BBF\u95EE : "),M={href:"https://answer.opensource.alibaba.com/docs/intro",target:"_blank",rel:"noopener noreferrer"},N=e("\u5168\u5C40\u4E13\u5BB6\u7B54\u7591"),O=e(" \u3002 \u54A8\u8BE2\u5176\u4ED6\u4EA7\u54C1\u7684\u7684\u95EE\u9898"),w=a("h3",{id:"\u53CD\u9988",tabindex:"-1"},[a("a",{class:"header-anchor",href:"#\u53CD\u9988","aria-hidden":"true"},"#"),e(" \u53CD\u9988")],-1),$=e("\u5982\u95EE\u7B54\u6709\u9519\u6F0F\uFF0C\u6B22\u8FCE\u70B9\uFF1A"),j={href:"https://ai.nacos.io/user/feedbackByEnhancerGradePOJOID?enhancerGradePOJOId=16070",target:"_blank",rel:"noopener noreferrer"},C=e("\u5DEE\u8BC4"),G=e("\u7ED9\u6211\u4EEC\u53CD\u9988\u3002");function L(P,T){const s=n("font"),r=n("ExternalLinkIcon");return i(),h("div",null,[_,o(s,{color:"#949494"},{default:d(()=>[u]),_:1}),p,a("p",null,[m,a("a",f,[b,o(r)])]),v,g,o(s,{color:"#949494"},{default:d(()=>[x]),_:1}),a("h2",k,[y,A,o(s,{color:"#FF0000"},{default:d(()=>[V]),_:1})]),a("p",null,[F,o(s