import{_ as d,o as i,c as h,b as o,w as s,a,d as c,e,r as n}from"./app.977e81c1.js";const l={},_=c(`

\u7528\u6237\u95EE\u9898 \uFF1A

\u5982\u4F55\u67E5\u770Bjava\u5185\u5B58\u589E\u957F\u54EA\u4E9B\u5BF9\u8C61

\u4E13\u5BB6\u5B98\u65B9\u89E3\u7B54 \uFF1A

\u8981\u4F7F\u7528Arthas\u67E5\u770BJava\u5185\u5B58\u4E2D\u54EA\u4E9B\u5BF9\u8C61\u5728\u589E\u957F\uFF0C\u6211\u4EEC\u53EF\u4EE5\u6309\u7167\u4EE5\u4E0B\u6B65\u9AA4\u64CD\u4F5C\uFF1A

1. \u521D\u59CB\u68C0\u6D4B\u5185\u5B58\u72B6\u6001

\u9996\u5148\uFF0C\u4F7F\u7528Arthas\u7684memory\u547D\u4EE4\u6765\u67E5\u770B\u5F53\u524DJVM\u7684\u5185\u5B58\u6982\u51B5\uFF0C\u8FD9\u80FD\u5E2E\u52A9\u6211\u4EEC\u521D\u6B65\u5224\u65AD\u662F\u5426\u6709\u5185\u5B58\u6CC4\u6F0F\u8FF9\u8C61\u53CA\u53EF\u80FD\u7684\u6CC4\u6F0F\u533A\u57DF\u3002

$ memory

\u6B64\u547D\u4EE4\u4F1A\u8FD4\u56DE\u5404\u4E2A\u5185\u5B58\u533A\u57DF\u7684\u4F7F\u7528\u60C5\u51B5\uFF0C\u5982\u5806\u3001\u975E\u5806\u3001\u5404\u4EE3\u7A7A\u95F4\u7B49\u3002\u6CE8\u610F\u89C2\u5BDF\u54EA\u4E9B\u533A\u57DF\u7684\u4F7F\u7528\u7387\u5F02\u5E38\u9AD8\u6216\u6301\u7EED\u589E\u957F\u3002

2. \u5B9A\u671F\u76D1\u63A7\u5185\u5B58\u53D8\u5316

\u591A\u6B21\u6267\u884Cmemory\u547D\u4EE4\u5E76\u8BB0\u5F55\u7ED3\u679C\uFF0C\u5173\u6CE8\u4EFB\u4F55\u5185\u5B58\u533A\u57DF\u7684\u4F7F\u7528\u91CF\u662F\u5426\u6301\u7EED\u589E\u957F\u3002\u7279\u522B\u662Fheap\u3001old gen\u7B49\u533A\u57DF\uFF0C\u8FD9\u4E9B\u901A\u5E38\u662F\u5185\u5B58\u6CC4\u6F0F\u53D1\u751F\u7684\u70ED\u70B9\u3002

3. \u5206\u6790\u5806\u5185\u5B58

\u4E3A\u4E86\u5177\u4F53\u5B9A\u4F4D\u5230\u589E\u957F\u7684\u5BF9\u8C61\uFF0C\u9700\u8981\u4F7F\u7528heapdump\u547D\u4EE4\u751F\u6210\u5806\u8F6C\u50A8\u6587\u4EF6\u3002

[arthas@58205]$ heapdump arthas-output/dump.hprof

\u8FD9\u4F1A\u5728\u6307\u5B9A\u4F4D\u7F6E\uFF08\u9ED8\u8BA4\u6216\u81EA\u5B9A\u4E49\uFF09\u751F\u6210\u4E00\u4E2A.hprof\u6587\u4EF6\uFF0C\u5305\u542B\u4E86\u5806\u5185\u5B58\u4E2D\u7684\u6240\u6709\u5BF9\u8C61\u4FE1\u606F\u3002

4. \u5206\u6790\u5806\u8F6C\u50A8\u6587\u4EF6

\u4F7F\u7528\u50CFEclipse Memory Analyzer (MAT)\u8FD9\u6837\u7684\u5DE5\u5177\u5206\u6790.hprof\u6587\u4EF6\u3002\u91CD\u70B9\u5728\u4E8E\u627E\u51FA\u54EA\u4E9B\u7C7B\u7684\u5BF9\u8C61\u6570\u91CF\u5F02\u5E38\u589E\u591A\u6216\u5360\u7528\u5185\u5B58\u663E\u8457\u589E\u957F\u3002

5. \u4F7F\u7528--live\u6807\u5FD7\u4F18\u5316\u5206\u6790

\u5982\u679C\u60F3\u4E13\u6CE8\u4E8E\u672A\u88AB\u5783\u573E\u56DE\u6536\u7684\u5BF9\u8C61\uFF0C\u53EF\u4EE5\u5728\u4F7F\u7528\u5206\u6790\u5DE5\u5177\u65F6\u52A0\u4E0A--live\u6807\u5FD7\uFF0C\u4EE5\u8FC7\u6EE4\u6389\u90A3\u4E9B\u65E0\u5BB3\u7684\u5BF9\u8C61\u3002

\u89E3\u91CA

\u901A\u8FC7\u4E0A\u8FF0\u6B65\u9AA4\uFF0C\u6211\u4EEC\u5229\u7528Arthas\u521D\u6B65\u68C0\u6D4B\u5185\u5B58\u4F7F\u7528\u60C5\u51B5\uFF0C\u968F\u540E\u901A\u8FC7\u5806\u8F6C\u50A8\u5206\u6790\u7CBE\u786E\u5B9A\u4F4D\u5230\u5BFC\u81F4\u5185\u5B58\u589E\u957F\u7684\u5177\u4F53\u5BF9\u8C61\u7C7B\u578B\u548C\u6570\u91CF\u3002\u8FD9\u6837\u53EF\u4EE5\u6709\u6548\u5730\u8BC6\u522B\u51FA\u5185\u5B58\u6CC4\u6F0F\u7684\u6839\u6E90\uFF0C\u4E3A\u8FDB\u4E00\u6B65\u4F18\u5316\u548C\u4FEE\u590D\u63D0\u4F9B\u4F9D\u636E\u3002\u8BF7\u6CE8\u610F\uFF0C\u5B9A\u671F\u8FDB\u884C\u5185\u5B58\u72B6\u6001\u76D1\u6D4B\u5BF9\u4E8E\u53D1\u73B0\u6F5C\u5728\u7684\u5185\u5B58\u6CC4\u6F0F\u81F3\u5173\u91CD\u8981\uFF0C\u56E0\u4E3A\u5185\u5B58\u6CC4\u6F0F\u95EE\u9898\u5F80\u5F80\u968F\u65F6\u95F4\u9010\u6E10\u663E\u73B0\u3002

`,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),f=a("p",null,"*\u4E13\u5BB6\u7ECF\u9A8C\uFF1AArthas \u6392\u67E5\u5185\u5B58\u6CC4\u9732\u7684\u65B9\u6CD5",-1),m=a("p",null,"*\u4E13\u5BB6\u7ECF\u9A8C\uFF1AJava \u5806\u5185\u5B58\u8BF4\u660E",-1),b=e("*"),v={href:"https://github.com/alibaba/arthas/tree/master/site/docs/doc/profiler.md",target:"_blank",rel:"noopener noreferrer"},x=e("# profiler"),g=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(),F=e("\u7B54\u7591\u670D\u52A1\u8BF4\u660E\uFF1A"),E=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"),V=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"),T=a("h3",{id:"\u53CD\u9988",tabindex:"-1"},[a("a",{class:"header-anchor",href:"#\u53CD\u9988","aria-hidden":"true"},"#"),e(" \u53CD\u9988")],-1),w=e("\u5982\u95EE\u7B54\u6709\u9519\u6F0F\uFF0C\u6B22\u8FCE\u70B9\uFF1A"),L={href:"https://ai.nacos.io/user/feedbackByEnhancerGradePOJOID?enhancerGradePOJOId=16069",target:"_blank",rel:"noopener noreferrer"},C=e("\u5DEE\u8BC4"),D=e("\u7ED9\u6211\u4EEC\u53CD\u9988\u3002");function G(H,P){const r=n("font"),t=n("ExternalLinkIcon");return i(),h("div",null,[_,o(r,{color:"#949494"},{default:s(()=>[p]),_:1}),u,f,m,a("p",null,[b,a("a",v,[x,o(t)])]),o(r,{color:"#949494"},{default:s(()=>[g]),_:1}),a("h2",k,[y,A,o(r,{color:"#FF0000"},{default:s(()=>[F]),_:1})]),a("p",null,[E,o(r,{color:"#FF0000"},{default:s(()=>[J]),_:1}),V,o(r,{color:"#FF0000"},{default:s(()=>[B]),_:1}),I,a("a",M,[N,o(t)]),O]),T,a("p",null,[w,a("a",L,[C,o(t)]),D])])}const $=d(l,[["render",G],["__file","user-question-history13506.html.vue"]]);export{$ as default};