arthas/assets/user-question-history13508.html.80bc13cc.js

import{_ as n,o as i,c as h,b as s,w as r,a,d as c,e,r as d}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 \u5982\u4F55\u67E5\u770B\u5185\u5B58\u4F7F\u7528\u60C5\u51B5</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\u67E5\u770BJava\u5E94\u7528\u7A0B\u5E8F\u7684\u5185\u5B58\u4F7F\u7528\u60C5\u51B5\uFF0C\u8BF7\u9075\u5FAA\u4EE5\u4E0B\u6B65\u9AA4\uFF1A</p><h3 id="_1-\u8FDE\u63A5\u76EE\u6807java\u8FDB\u7A0B" tabindex="-1"><a class="header-anchor" href="#_1-\u8FDE\u63A5\u76EE\u6807java\u8FDB\u7A0B" aria-hidden="true">#</a> 1. \u8FDE\u63A5\u76EE\u6807Java\u8FDB\u7A0B</h3><p>\u9996\u5148\uFF0C\u786E\u4FDDArthas\u5DF2\u5B89\u88C5\u5E76\u5728\u4F60\u7684\u7CFB\u7EDF\u4E2D\u53EF\u7528\u3002\u4F7F\u7528\u4EE5\u4E0B\u547D\u4EE4\u8FDE\u63A5\u5230\u4F60\u60F3\u8981\u76D1\u63A7\u7684Java\u8FDB\u7A0B\uFF08\u5C06<code>&lt;pid&gt;</code>\u66FF\u6362\u4E3A\u76EE\u6807\u8FDB\u7A0B\u7684ID\uFF09\uFF1A</p><div class="language-bash ext-sh line-numbers-mode"><pre class="language-bash"><code>arthas.sh attach <span class="token operator">&lt;</span>pid<span class="token operator">&gt;</span>
</code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div></div></div><h3 id="_2-\u68C0\u67E5jvm\u5185\u5B58\u72B6\u6001" tabindex="-1"><a class="header-anchor" href="#_2-\u68C0\u67E5jvm\u5185\u5B58\u72B6\u6001" aria-hidden="true">#</a> 2. \u68C0\u67E5JVM\u5185\u5B58\u72B6\u6001</h3><p>\u8FDE\u63A5\u6210\u529F\u540E\uFF0C\u4F7F\u7528<code>memory</code>\u547D\u4EE4\u6765\u67E5\u770B\u5F53\u524DJVM\u7684\u5185\u5B58\u6982\u51B5\uFF0C\u8FD9\u5C06\u5C55\u793A\u5806\u5185\u5B58\u3001\u975E\u5806\u5185\u5B58\u53CA\u5404\u4E2A\u7EC6\u5206\u533A\u57DF\u7684\u4F7F\u7528\u60C5\u51B5\uFF0C\u5982Eden\u533A\u3001Old\u533A\u3001Survivor\u533A\u7B49\u7684\u72B6\u6001\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><p><strong>\u89E3\u91CA\uFF1A</strong> \u6B64\u547D\u4EE4\u80FD\u5E2E\u52A9\u4F60\u5FEB\u901F\u8BC6\u522B\u5185\u5B58\u662F\u5426\u6CC4\u6F0F\u4EE5\u53CA\u54EA\u4E00\u5757\u5185\u5B58\u533A\u57DF\u53EF\u80FD\u5B58\u5728\u5F02\u5E38\u589E\u957F\u3002\u4F8B\u5982\uFF0C\u5982\u679C\u67D0\u90E8\u5206\u5185\u5B58\u6301\u7EED\u589E\u957F\u800C\u4E0D\u51CF\u5C11\uFF0C\u90A3\u8FD9\u5757\u533A\u57DF\u5F88\u53EF\u80FD\u662F\u5185\u5B58\u6CC4\u6F0F\u7684\u6765\u6E90\u3002</p><h3 id="_3-\u5206\u6790\u5806\u5185\u5B58\u8BE6\u60C5" tabindex="-1"><a class="header-anchor" href="#_3-\u5206\u6790\u5806\u5185\u5B58\u8BE6\u60C5" aria-hidden="true">#</a> 3. \u5206\u6790\u5806\u5185\u5B58\u8BE6\u60C5</h3><p>\u4E3A\u4E86\u66F4\u6DF1\u5165\u5730\u4E86\u89E3\u5185\u5B58\u5360\u7528\u60C5\u51B5\uFF0C\u53EF\u4EE5\u4F7F\u7528<code>heapdump</code>\u547D\u4EE4\u751F\u6210\u5806\u5185\u5B58\u5FEB\u7167\u3002</p><div class="language-bash ext-sh line-numbers-mode"><pre class="language-bash"><code>heapdump /path/to/dumpfile.hprof
</code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div></div></div><p><strong>\u89E3\u91CA\uFF1A</strong> \u5806\u5185\u5B58\u5FEB\u7167\u662F\u4E00\u4E2A\u5305\u542BJVM\u5806\u5185\u5B58\u4E2D\u6240\u6709\u5BF9\u8C61\u4FE1\u606F\u7684\u6587\u4EF6\uFF0C\u53EF\u7528\u4E8E\u79BB\u7EBF\u5206\u6790\u3002\u901A\u8FC7\u5DE5\u5177\u5982Eclipse Memory Analyzer (MAT)\uFF0C\u4F60\u53EF\u4EE5\u5206\u6790\u8FD9\u4E9B\u5FEB\u7167\uFF0C\u627E\u51FA\u5185\u5B58\u6CC4\u6F0F\u7684\u5177\u4F53\u5BF9\u8C61\u53CA\u5176\u5F15\u7528\u94FE\u8DEF\u3002</p><h3 id="_4-\u591A\u6B21\u5206\u6790\u5BF9\u6BD4" tabindex="-1"><a class="header-anchor" href="#_4-\u591A\u6B21\u5206\u6790\u5BF9\u6BD4" aria-hidden="true">#</a> 4. \u591A\u6B21\u5206\u6790\u5BF9\u6BD4</h3><ul><li>\u91CD\u590D\u6267\u884C<code>memory</code>\u547D\u4EE4\u89C2\u5BDF\u5185\u5B58\u53D8\u5316\u8D8B\u52BF\u3002</li><li>\u9700\u8981\u65F6\uFF0C\u591A\u6B21\u6267\u884C<code>heapdump</code>\u5E76\u5BF9\u6BD4\u4E0D\u540C\u65F6\u95F4\u70B9\u7684\u5806\u5185\u5B58\u5FEB\u7167\uFF0C\u4EE5\u5B9A\u4F4D\u5185\u5B58\u6CC4\u6F0F\u7684\u5177\u4F53\u589E\u957F\u70B9\u3002</li></ul><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><ul><li>\u5982\u679C\u5728\u5C1D\u8BD5\u542F\u52A8Arthas\u65F6\u9047\u5230\u5185\u5B58\u6EA2\u51FA\u9519\u8BEF\uFF0C\u786E\u4FDD\u4E3AArthas\u5206\u914D\u8DB3\u591F\u7684\u5185\u5B58\u3002\u53EF\u4EE5\u901A\u8FC7\u8BBE\u7F6EJAVA_TOOL_OPTIONS\u73AF\u5883\u53D8\u91CF\u6765\u8C03\u6574\uFF0C\u4F8B\u5982<code>export JAVA_TOOL_OPTIONS=&quot;-Xms1g -Xmx1g&quot;</code>\uFF0C\u6839\u636E\u5B9E\u9645\u60C5\u51B5\u8C03\u6574-Xms\uFF08\u521D\u59CB\u5806\u5927\u5C0F\uFF09\u548C-Xmx\uFF08\u6700\u5927\u5806\u5927\u5C0F\uFF09\u7684\u503C\u3002</li><li>\u5728\u5E94\u7528\u672C\u8EAB\u5185\u5B58\u8D44\u6E90\u7D27\u5F20\u7684\u60C5\u51B5\u4E0B\uFF0C\u9644\u52A0Arthas\u53EF\u80FD\u4F1A\u5931\u8D25\u3002\u8FD9\u79CD\u60C5\u51B5\u4E0B\uFF0C\u4F18\u5148\u89E3\u51B3\u5E94\u7528\u7684\u5185\u5B58\u95EE\u9898\u3002</li></ul><h3 id="\u603B\u7ED3" tabindex="-1"><a class="header-anchor" href="#\u603B\u7ED3" aria-hidden="true">#</a> \u603B\u7ED3</h3><p>\u5229\u7528Arthas\u7684<code>memory</code>\u547D\u4EE4\u53EF\u4EE5\u521D\u6B65\u5224\u65AD\u5185\u5B58\u4F7F\u7528\u72B6\u51B5\uFF0C\u7ED3\u5408<code>heapdump</code>\u751F\u6210\u7684\u5806\u5185\u5B58\u5FEB\u7167\u8FDB\u884C\u8BE6\u7EC6\u5206\u6790\uFF0C\u662F\u6392\u67E5Java\u5E94\u7528\u5185\u5B58\u6CC4\u9732\u7684\u6709\u6548\u624B\u6BB5\u3002\u901A\u8FC7\u5BF9\u6BD4\u5206\u6790\uFF0C\u53EF\u4EE5\u9010\u6B65\u5B9A\u4F4D\u5E76\u89E3\u51B3\u95EE\u9898\u3002</p>`,22),p=e("---------------"),u=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=a("p",null,"*\u4E13\u5BB6\u7ECF\u9A8C\uFF1AArthas \u6392\u67E5\u5185\u5B58\u6CC4\u9732\u7684\u65B9\u6CD5",-1),b=e("*"),f={href:"https://github.com/alibaba/arthas/tree/master/site/docs/doc/profiler.md",target:"_blank",rel:"noopener noreferrer"},v=e("# profiler"),g=a("p",null,"*\u4E13\u5BB6\u7ECF\u9A8C\uFF1Aarthas\u542F\u52A8\u65F6\u5185\u5B58\u6EA2\u51FA",-1),x=e("---------------"),A={id:"\u7B54\u7591\u670D\u52A1\u8BF4\u660E",tabindex:"-1"},O=a("a",{class:"header-anchor",href:"#\u7B54\u7591\u670D\u52A1\u8BF4\u660E","aria-hidden":"true"},"#",-1),J=e(),k=e("\u7B54\u7591\u670D\u52A1\u8BF4\u660E\uFF1A"),y=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"),V=e("\u4E13\u5BB6\u667A\u80FD\u7B54\u7591\u670D\u52A1"),I=e("\uFF0C\u5728"),E=e("\u9875\u9762\u7684\u53F3\u4E0B\u7684\u6D6E\u7A97\u201D\u4E13\u5BB6\u7B54\u7591\u201C"),F=e("\u3002\u60A8\u4E5F\u53EF\u4EE5\u8BBF\u95EE : "),N={href:"https://answer.opensource.alibaba.com/docs/intro",target:"_blank",rel:"noopener noreferrer"},T=e("\u5168\u5C40\u4E13\u5BB6\u7B54\u7591"),M=e(" \u3002 \u54A8\u8BE2\u5176\u4ED6\u4EA7\u54C1\u7684\u7684\u95EE\u9898"),j=a("h3",{id:"\u53CD\u9988",tabindex:"-1"},[a("a",{class:"header-anchor",href:"#\u53CD\u9988","aria-hidden":"true"},"#"),e(" \u53CD\u9988")],-1),B=e("\u5982\u95EE\u7B54\u6709\u9519\u6F0F\uFF0C\u6B22\u8FCE\u70B9\uFF1A"),L={href:"https://ai.nacos.io/user/feedbackByEnhancerGradePOJOID?enhancerGradePOJOId=16071",target:"_blank",rel:"noopener noreferrer"},P=e("\u5DEE\u8BC4"),S=e("\u7ED9\u6211\u4EEC\u53CD\u9988\u3002");function X(q,w){const o=d("font"),t=d("ExternalLinkIcon");return i(),h("div",null,[_,s(o,{color:"#949494"},{default:r(()=>[p]),_:1}),u,m,a("p",null,[b,a("a",f,[v,s(t)])]),g,s(o,{color:"#949494"},{default:r(()=>[x]),_:1}),a("h2",A,[O,J,s(o,{color:"#FF0000"},{default:r(()=>[k]),_:1})]),a("p",null,[y,s(o,{color:"#FF0000"},{default:r(()=>[V]),_:1}),I,s(o,{color:"#FF0000"},{default:r(()=>[E]),_:1}),F,a("a",N,[T,s(t)]),M]),j,a("p",null,[B,a("a",L,[P,s(t)]),S])])}const 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