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3 lines
6.9 KiB
JavaScript
3 lines
6.9 KiB
JavaScript
import{_ as c,o as d,c as i,b as o,w as s,a as t,d as h,e,r}from"./app.977e81c1.js";const l={},_=h(`<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\u6392\u67E5cpu\u5360\u7528\u8FC7\u9AD8\uFF1F</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\u6392\u67E5CPU\u5360\u7528\u8FC7\u9AD8\u7684\u95EE\u9898\uFF0C\u6211\u4EEC\u53EF\u4EE5\u901A\u8FC7\u4EE5\u4E0B\u6B65\u9AA4\u5229\u7528Arthas\u8FDB\u884C\u8BCA\u65AD\uFF0C\u8FD9\u4E9B\u6B65\u9AA4\u4F9D\u636E\u4E8E\u5DF2\u77E5\u7684\u77E5\u8BC6\u5185\u5BB9\uFF1A</p><p><strong>\u7B2C\u4E00\u6B65\uFF1A\u786E\u4FDDArthas\u73AF\u5883\u51C6\u5907\u5C31\u7EEA</strong></p><ul><li>\u9996\u5148\uFF0C\u786E\u4FDD\u4F60\u5DF2\u7ECF\u4E0B\u8F7D\u5E76\u5B89\u88C5\u4E86Arthas\uFF0C\u4E14\u62E5\u6709\u6B63\u786E\u7684\u6743\u9650\u80FD\u591Fattach\u5230\u76EE\u6807\u7684Java\u8FDB\u7A0B\u4E2D\u3002\u5982\u679C\u5C1A\u672A\u5B89\u88C5\uFF0C\u53EF\u4EE5\u901A\u8FC7\u63A8\u8350\u7684arthas-boot\u65B9\u5F0F\u8FDB\u884C\u5B89\u88C5\uFF0C\u5177\u4F53\u547D\u4EE4\u4E3A\uFF1A<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
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</code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div></div></div></li><li>\u63A5\u7740\uFF0C\u901A\u8FC7\u8FD0\u884C<code>java -jar arthas-boot.jar</code>\u9009\u62E9\u9700\u8981\u6302\u8F7D\u7684\u76EE\u6807Java\u8FDB\u7A0B\u3002</li></ul><p><strong>\u7B2C\u4E8C\u6B65\uFF1A\u6392\u9664GC\u5F71\u54CD</strong></p><ul><li>\u8FD0\u884C<code>dashboard</code>\u547D\u4EE4\uFF0C\u5173\u6CE8\u5C4F\u5E55\u4E2D\u95F4Memory\u76F8\u5173\u7684\u4FE1\u606F\u3002\u68C0\u67E5\u5185\u5B58\u4F7F\u7528\u60C5\u51B5\uFF08usage\uFF09\u662F\u5426\u5DF2\u6EE1\u4EE5\u53CAGC\uFF08\u5783\u573E\u56DE\u6536\uFF09\u9891\u7387\u662F\u5426\u8FC7\u9AD8\u3002\u5982\u679CGC\u9891\u7E41\uFF0C\u53EF\u80FD\u8BF4\u660E\u5B58\u5728\u5185\u5B58\u6CC4\u9732\u6216\u4E0D\u5F53\u7684\u5185\u5B58\u4F7F\u7528\u6A21\u5F0F\u5BFC\u81F4CPU\u88AB\u9891\u7E41\u7528\u4E8EGC\u64CD\u4F5C\u3002</li></ul><p><strong>\u7B2C\u4E09\u6B65\uFF1A\u5B9A\u4F4D\u9AD8CPU\u6D88\u8017\u7684\u7EBF\u7A0B</strong></p><ul><li>\u7EE7\u7EED\u4F7F\u7528<code>dashboard</code>\u547D\u4EE4\uFF0C\u8FD9\u6B21\u91CD\u70B9\u5173\u6CE8\u5C4F\u5E55\u4E0A\u90E8\u7684\u8FDB\u7A0B\u4FE1\u606F\uFF0C\u8BC6\u522B\u51FA\u54EA\u4E9B\u7EBF\u7A0B\u5360\u636E\u4E86\u8F83\u9AD8\u7684CPU\u8D44\u6E90\u3002\u601D\u8003\u8FD9\u4E9B\u7EBF\u7A0B\u4E0E\u7A0B\u5E8F\u7684\u54EA\u90E8\u5206\u903B\u8F91\u76F8\u5173\u8054\u3002</li></ul><p><strong>\u7B2C\u56DB\u6B65\uFF1A\u6DF1\u5165\u5206\u6790\u9AD8CPU\u6D88\u8017\u7EBF\u7A0B</strong></p><ul><li>\u6267\u884C<code>thread -n 8</code>\u547D\u4EE4\u6765\u67E5\u770B\u6700\u7E41\u5FD9\u76848\u4E2A\u7EBF\u7A0B\u7684\u5806\u6808\u4FE1\u606F\u3002\u8FD9\u4E9B\u5806\u6808\u4FE1\u606F\u4F1A\u5C55\u793A\u7EBF\u7A0B\u5F53\u524D\u4E3B\u8981\u505C\u7559\u5728\u54EA\u4E2A\u65B9\u6CD5\u4E0A\u6267\u884C\uFF0C\u4ECE\u800C\u5E2E\u52A9\u5B9A\u4F4D\u5230CPU\u6D88\u8017\u8F83\u591A\u7684\u5177\u4F53\u65B9\u6CD5\u6216\u4EE3\u7801\u5757\u3002</li></ul><p><strong>\u89E3\u91CA\u4E0A\u8FF0\u6B65\u9AA4\uFF1A</strong></p><ul><li>\u901A\u8FC7\u6392\u9664GC\u5F71\u54CD\uFF0C\u6211\u4EEC\u9996\u5148\u786E\u5B9A\u95EE\u9898\u662F\u5426\u7531\u5185\u5B58\u7BA1\u7406\u4E0D\u5F53\u5F15\u8D77\uFF0C\u56E0\u4E3A\u9891\u7E41\u7684GC\u6D3B\u52A8\u4E5F\u4F1A\u5360\u7528\u5927\u91CFCPU\u8D44\u6E90\u3002</li><li>\u5B9A\u4F4D\u5230\u9AD8CPU\u6D88\u8017\u7684\u7EBF\u7A0B\u540E\uFF0C\u6211\u4EEC\u80FD\u66F4\u6709\u9488\u5BF9\u6027\u5730\u8C03\u67E5\u95EE\u9898\uFF0C\u800C\u4E0D\u662F\u76F2\u76EE\u5730\u5728\u6574\u4E2A\u5E94\u7528\u4E2D\u641C\u7D22\u3002</li><li>\u6DF1\u5165\u5206\u6790\u7EBF\u7A0B\u5806\u6808\u662F\u5173\u952E\u4E00\u6B65\uFF0C\u5B83\u76F4\u63A5\u6307\u5411\u4E86\u95EE\u9898\u53D1\u751F\u7684\u4EE3\u7801\u4F4D\u7F6E\uFF0C\u4E3A\u540E\u7EED\u7684\u4EE3\u7801\u4F18\u5316\u6216\u95EE\u9898\u4FEE\u590D\u63D0\u4F9B\u4E86\u51C6\u786E\u7684\u65B9\u5411\u3002</li></ul><p>\u7EFC\u4E0A\u6240\u8FF0\uFF0C\u5229\u7528Arthas\u7684\u8FD9\u4E00\u7CFB\u5217\u547D\u4EE4\uFF0C\u4F60\u53EF\u4EE5\u9010\u6B65\u7F29\u5C0F\u95EE\u9898\u8303\u56F4\uFF0C\u6700\u7EC8\u5B9A\u4F4D\u5230\u9020\u6210CPU\u5360\u7528\u8FC7\u9AD8\u7684\u5177\u4F53\u539F\u56E0\uFF0C\u5E76\u636E\u6B64\u91C7\u53D6\u76F8\u5E94\u7684\u4F18\u5316\u63AA\u65BD\u3002</p>`,16),u=e("---------------"),p=t("h2",{id:"\u53C2\u8003\u94FE\u63A5",tabindex:"-1"},[t("a",{class:"header-anchor",href:"#\u53C2\u8003\u94FE\u63A5","aria-hidden":"true"},"#"),e(" 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