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3 lines
7.0 KiB
JavaScript
3 lines
7.0 KiB
JavaScript
import{_ as c,o as i,c as h,b as t,w as s,a as o,d as l,e,r as a}from"./app.5024572d.js";const _={},p=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 \u6392\u67E5\u5185\u5B58\u6CC4\u9732\u7684\u5177\u4F53\u65B9\u6CD5</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\u6392\u67E5\u5185\u5B58\u6CC4\u9732\u7684\u5177\u4F53\u65B9\u6CD5\uFF0C\u53EF\u4EE5\u9075\u5FAA\u4EE5\u4E0B\u6B65\u9AA4\uFF1A</p><ol><li><p><strong>\u521D\u6B65\u68C0\u67E5\u5185\u5B58\u72B6\u51B5</strong>\uFF1A \u9996\u5148\uFF0C\u4F7F\u7528<code>memory</code>\u547D\u4EE4\u6765\u67E5\u770B\u5F53\u524DJVM\u7684\u5185\u5B58\u72B6\u6001\uFF0C\u4EE5\u786E\u8BA4\u662F\u5426\u771F\u7684\u5B58\u5728\u5185\u5B58\u6CC4\u6F0F\u95EE\u9898\u53CA\u6CC4\u9732\u7684\u5927\u81F4\u4F4D\u7F6E\u3002\u8FD9\u4F1A\u63D0\u4F9B\u5404\u4E2A\u5185\u5B58\u533A\u57DF\uFF08\u5982\u5806\u3001\u975E\u5806\u3001G1\u533A\u57DF\u7B49\uFF09\u7684\u4F7F\u7528\u60C5\u51B5\u3002\u4F8B\u5982\uFF0C\u591A\u6B21\u8FD0\u884C\u547D\u4EE4\u5E76\u89C2\u5BDF\u7279\u5B9A\u533A\u57DF\u5982<code>heap</code>\u6216<code>g1_old_gen</code>\u7684<code>used</code>\u503C\u662F\u5426\u6301\u7EED\u589E\u957F\u800C\u4E0D\u51CF\u5C11\uFF0C\u8FD9\u53EF\u80FD\u662F\u5185\u5B58\u6CC4\u6F0F\u7684\u8FF9\u8C61\u3002</p></li><li><p><strong>\u6DF1\u5165\u5206\u6790</strong>\uFF1A \u5982\u679C\u521D\u6B65\u68C0\u67E5\u53D1\u73B0\u5185\u5B58\u6709\u5F02\u5E38\u589E\u957F\u7684\u8D8B\u52BF\uFF0C\u63A5\u4E0B\u6765\u5229\u7528<code>heapdump</code>\u547D\u4EE4\u751F\u6210\u5806\u7684\u5168\u91CF\u5185\u5B58\u5FEB\u7167\uFF08hprof\u6587\u4EF6\uFF09\u3002\u4F8B\u5982\uFF1A</p><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
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</code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div></div></div><p>\u8FD9\u4E2A\u547D\u4EE4\u4F1A\u521B\u5EFA\u4E00\u4E2A\u5806\u5185\u5B58\u5FEB\u7167\u6587\u4EF6\uFF0C\u4E4B\u540E\u53EF\u4EE5\u4F7F\u7528Eclipse Memory Analyzer (MAT)\u7B49\u5DE5\u5177\u5206\u6790\u8FD9\u4E2A\u6587\u4EF6\uFF0C\u67E5\u627E\u5185\u5B58\u6CC4\u6F0F\u7684\u5177\u4F53\u5BF9\u8C61\u53CA\u5176\u5F15\u7528\u94FE\u8DEF\u3002\u91CD\u8981\u7684\u662F\u8981\u591A\u6B21\u751F\u6210\u5FEB\u7167\u5E76\u5BF9\u6BD4\u5206\u6790\uFF0C\u627E\u51FA\u968F\u65F6\u95F4\u589E\u957F\u7684\u5BF9\u8C61\u3002</p></li><li><p><strong>\u5206\u6790\u7ED3\u679C\u5E94\u7528</strong>\uFF1A \u5728MAT\u4E2D\uFF0C\u5173\u6CE8\u90A3\u4E9B\u5360\u7528\u5185\u5B58\u5927\u4E14\u6570\u91CF\u5F02\u5E38\u589E\u591A\u7684\u5BF9\u8C61\u3002\u8FD9\u4E9B\u901A\u5E38\u662F\u5185\u5B58\u6CC4\u6F0F\u7684\u6E90\u5934\u3002\u901A\u8FC7\u5206\u6790\u8FD9\u4E9B\u5BF9\u8C61\u7684\u5F15\u7528\u94FE\uFF0C\u53EF\u4EE5\u8FFD\u6EAF\u5230\u5BFC\u81F4\u6CC4\u6F0F\u7684\u4EE3\u7801\u4F4D\u7F6E\uFF0C\u4ECE\u800C\u4E3A\u89E3\u51B3\u95EE\u9898\u63D0\u4F9B\u7EBF\u7D22\u3002</p></li></ol><p><strong>\u89E3\u91CA</strong>\uFF1A</p><ul><li>\u521D\u6B65\u4F7F\u7528<code>memory</code>\u547D\u4EE4\u662F\u4E3A\u4E86\u5FEB\u901F\u8BC6\u522B\u5185\u5B58\u4F7F\u7528\u7684\u6574\u4F53\u60C5\u51B5\uFF0C\u5E2E\u52A9\u5B9A\u4F4D\u5230\u53EF\u7591\u7684\u5185\u5B58\u533A\u57DF\u3002</li><li>\u901A\u8FC7<code>heapdump</code>\u83B7\u53D6\u5806\u5185\u5B58\u5FEB\u7167\u5E76\u501F\u52A9\u5916\u90E8\u5DE5\u5177\u5206\u6790\uFF0C\u662F\u56E0\u4E3A\u8FD9\u79CD\u65B9\u5F0F\u80FD\u63D0\u4F9B\u66F4\u7EC6\u81F4\u7684\u5BF9\u8C61\u7EA7\u522B\u89C6\u56FE\uFF0C\u662F\u5B9A\u4F4D\u5185\u5B58\u6CC4\u6F0F\u6839\u6E90\u7684\u5173\u952E\u6B65\u9AA4\u3002</li><li>\u53CD\u590D\u8FDB\u884C\u5FEB\u7167\u5BF9\u6BD4\u662F\u4E3A\u4E86\u8FC7\u6EE4\u6389\u6B63\u5E38\u589E\u957F\u7684\u5BF9\u8C61\uFF0C\u7CBE\u786E\u5730\u5B9A\u4F4D\u5230\u5F02\u5E38\u589E\u957F\u7684\u90E8\u5206\uFF0C\u8FD9\u662F\u8BCA\u65AD\u5185\u5B58\u6CC4\u6F0F\u7684\u6709\u6548\u7B56\u7565\u3002</li></ul><p>\u4EE5\u4E0A\u6B65\u9AA4\u7ED3\u5408\u4E86Arthas\u63D0\u4F9B\u7684\u5B9E\u65F6\u76D1\u63A7\u4E0E\u8BCA\u65AD\u80FD\u529B\uFF0C\u4EE5\u53CA\u4E13\u4E1A\u5206\u6790\u5DE5\u5177\u7684\u6DF1\u5EA6\u5206\u6790\u80FD\u529B\uFF0C\u662F\u6392\u67E5Java\u5E94\u7528\u5185\u5B58\u6CC4\u6F0F\u7684\u6807\u51C6\u6D41\u7A0B\u4E4B\u4E00\u3002</p><p>\u8BF7\u6CE8\u610F\uFF0C\u6839\u636E\u5B9E\u9645\u60C5\u51B5\u8C03\u6574\u547D\u4EE4\u4E2D\u7684\u8F93\u51FA\u8DEF\u5F84\u7B49\u53C2\u6570\uFF0C\u786E\u4FDD\u80FD\u591F\u987A\u5229\u6267\u884C\u547D\u4EE4\u5E76\u83B7\u53D6\u5206\u6790\u6240\u9700\u7684\u6570\u636E\u3002</p>`,10),u=e("---------------"),f=o("h2",{id:"\u53C2\u8003\u94FE\u63A5",tabindex:"-1"},[o("a",{class:"header-anchor",href:"#\u53C2\u8003\u94FE\u63A5","aria-hidden":"true"},"#"),e(" 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