You cannot select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
arthas/doc/expert/user-question-history12716....

42 lines
75 KiB
HTML

This file contains ambiguous Unicode characters!

This file contains ambiguous Unicode characters that may be confused with others in your current locale. If your use case is intentional and legitimate, you can safely ignore this warning. Use the Escape button to highlight these characters.

<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1">
<meta name="generator" content="VuePress 2.0.0-beta.51">
<style>
:root {
--c-bg: #fff;
}
html.dark {
--c-bg: #22272e;
}
html, body {
background-color: var(--c-bg);
}
</style>
<script>
const userMode = localStorage.getItem('vuepress-color-scheme');
const systemDarkMode = window.matchMedia && window.matchMedia('(prefers-color-scheme: dark)').matches;
if (userMode === 'dark' || (userMode !== 'light' && systemDarkMode)) {
document.documentElement.classList.toggle('dark', true);
}
</script>
<link rel="icon" href="/images/favicon.ico"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta property="og:title" content="Arthas"><meta property="og:image:alt" content="Alibaba Java Diagnostic Tool Arthas/Alibaba Java诊断利器Arthas - alibaba/arthas: Alibaba Java Diagnostic Tool Arthas/Alibaba Java诊断利器Arthas"><meta property="og:image" content="/images/arthas_mate_image.png"><meta property="og:description" content="Alibaba Java Diagnostic Tool Arthas/Alibaba Java诊断利器Arthas - alibaba/arthas: Alibaba Java Diagnostic Tool Arthas/Alibaba Java诊断利器Arthas"><meta property="og:image:width" content="1200"><meta property="og:image:height" content="600"><meta property="twitter:image:src" content="/images/arthas_mate_image.png"><meta property="twitter:image:alt" content="Alibaba Java Diagnostic Tool Arthas/Alibaba Java诊断利器Arthas - alibaba/arthas: Alibaba Java Diagnostic Tool Arthas/Alibaba Java诊断利器Arthas"><meta itemprop="name" content="Arthas"><meta itemprop="image" content="/images/arthas_mate_image.png"><meta itemprop="description" content="Alibaba Java Diagnostic Tool Arthas/Alibaba Java诊断利器Arthas - alibaba/arthas: Alibaba Java Diagnostic Tool Arthas/Alibaba Java诊断利器Arthas"><script>
var _hmt = _hmt || [];
(function() {
var hm = document.createElement("script");
hm.src = "https://hm.baidu.com/hm.js?d5c5e25b100f0eb51a4c35c8a86ea9b4";
var s = document.getElementsByTagName("script")[0];
s.parentNode.insertBefore(hm, s);
})();
</script><meta name="aes-config" content="pid=xux-opensource&user_type=101&uid=&username=&dim10=arthas"><script src="//g.alicdn.com/alilog/mlog/aplus_v2.js" id="beacon-aplus" exparams="clog=o&aplus&sidx=aplusSidx&ckx=aplusCkx"></script><script src="//g.alicdn.com/aes/??tracker/1.0.34/index.js,tracker-plugin-pv/2.4.5/index.js,tracker-plugin-event/1.2.5/index.js,tracker-plugin-jserror/1.0.13/index.js,tracker-plugin-api/1.1.14/index.js,tracker-plugin-perf/1.1.8/index.js,tracker-plugin-eventTiming/1.0.4/index.js"></script><title>arthas 怎么查看堆内存太高 | arthas</title><meta name="description" content="为了解决arthas arthas 怎么查看堆内存太高的问题,我们可以按照以下步骤操作,基于已有的知识内容:### 分析原因首先需要明确“堆内存太高”通常意味着Java应用程序可能存在内存泄漏或者分配给JVM的堆内存不足。使用Arthas可以帮助我们诊断这一问题。### 使用Arthas进行排查#">
<link rel="modulepreload" href="/assets/app.977e81c1.js"><link rel="modulepreload" href="/assets/user-question-history12716.html.037a2b51.js"><link rel="modulepreload" href="/assets/user-question-history12716.html.ba178a77.js"><link rel="prefetch" href="/assets/index.html.9412a900.js"><link rel="prefetch" href="/assets/index.html.3c03373d.js"><link rel="prefetch" href="/assets/index.html.31581b5f.js"><link rel="prefetch" href="/assets/advanced-use.html.3876077d.js"><link rel="prefetch" href="/assets/advice-class.html.e0d4601b.js"><link rel="prefetch" href="/assets/agent.html.ea7c22e0.js"><link rel="prefetch" href="/assets/arthas-properties.html.4eb539b4.js"><link rel="prefetch" href="/assets/arthas3.html.bee7bffc.js"><link rel="prefetch" href="/assets/async.html.473d320c.js"><link rel="prefetch" href="/assets/auth.html.ac4b67f2.js"><link rel="prefetch" href="/assets/base64.html.4b181e89.js"><link rel="prefetch" href="/assets/batch-support.html.a26e2295.js"><link rel="prefetch" href="/assets/cat.html.c8fbb1c5.js"><link rel="prefetch" href="/assets/classloader.html.04ede152.js"><link rel="prefetch" href="/assets/cls.html.315127c2.js"><link rel="prefetch" href="/assets/commands.html.205fab1f.js"><link rel="prefetch" href="/assets/contact-us.html.259f35c3.js"><link rel="prefetch" href="/assets/dashboard.html.72692286.js"><link rel="prefetch" href="/assets/docker.html.37a9000f.js"><link rel="prefetch" href="/assets/download.html.e9e19894.js"><link rel="prefetch" href="/assets/dump.html.aac38ab5.js"><link rel="prefetch" href="/assets/echo.html.7dac4c37.js"><link rel="prefetch" href="/assets/faq.html.0788d4da.js"><link rel="prefetch" href="/assets/getstatic.html.2a0b4f73.js"><link rel="prefetch" href="/assets/grep.html.09b9f3d8.js"><link rel="prefetch" href="/assets/groovy.html.5effbaba.js"><link rel="prefetch" href="/assets/heapdump.html.a85cf9a1.js"><link rel="prefetch" href="/assets/help.html.e5f40d88.js"><link rel="prefetch" href="/assets/history.html.9c7d2f2e.js"><link rel="prefetch" href="/assets/http-api.html.693537fc.js"><link rel="prefetch" href="/assets/idea-plugin.html.0e7ca126.js"><link rel="prefetch" href="/assets/install-detail.html.2265e71c.js"><link rel="prefetch" href="/assets/jad.html.6682b060.js"><link rel="prefetch" href="/assets/jfr.html.4a6ffa9b.js"><link rel="prefetch" href="/assets/jvm.html.bf9d7353.js"><link rel="prefetch" href="/assets/keymap.html.4a935f93.js"><link rel="prefetch" href="/assets/logger.html.1626eaca.js"><link rel="prefetch" href="/assets/manual-install.html.7d61ca70.js"><link rel="prefetch" href="/assets/mbean.html.30acbef7.js"><link rel="prefetch" href="/assets/mc.html.2ccc704e.js"><link rel="prefetch" href="/assets/memory.html.354446c2.js"><link rel="prefetch" href="/assets/monitor.html.c7c0dac3.js"><link rel="prefetch" href="/assets/ognl.html.56febc20.js"><link rel="prefetch" href="/assets/options.html.f2203677.js"><link rel="prefetch" href="/assets/perfcounter.html.4783a666.js"><link rel="prefetch" href="/assets/profiler.html.0af96094.js"><link rel="prefetch" href="/assets/pwd.html.bb923193.js"><link rel="prefetch" href="/assets/quick-start.html.3b81c79e.js"><link rel="prefetch" href="/assets/quit.html.bc71e5cc.js"><link rel="prefetch" href="/assets/redefine.html.c762575e.js"><link rel="prefetch" href="/assets/release-notes.html.fef92c13.js"><link rel="prefetch" href="/assets/reset.html.05dc82b5.js"><link rel="prefetch" href="/assets/retransform.html.21fa57be.js"><link rel="prefetch" href="/assets/save-log.html.8b792c19.js"><link rel="prefetch" href="/assets/sc.html.9e910d92.js"><link rel="prefetch" href="/assets/session.html.620f0ab0.js"><link rel="prefetch" href="/assets/sm.html.00c3d56b.js"><link rel="prefetch" href="/assets/spring-boot-starter.html.07a5bd45.js"><link rel="prefetch" href="/assets/stack.html.17704cc3.js"><link rel="prefetch" href="/assets/start-arthas.html.f299d09e.js"><link rel="prefetch" href="/assets/stop.html.75db3522.js"><link rel="prefetch" href="/assets/sysenv.html.fcd3f33c.js"><link rel="prefetch" href="/assets/sysprop.html.f64847c1.js"><link rel="prefetch" href="/assets/tee.html.6c47fb2b.js"><link rel="prefetch" href="/assets/thread.html.222deb53.js"><link rel="prefetch" href="/assets/trace.html.f837a2ab.js"><link rel="prefetch" href="/assets/tt.html.a7531792.js"><link rel="prefetch" href="/assets/tunnel.html.cba00e0c.js"><link rel="prefetch" href="/assets/version.html.1f4f0bf6.js"><link rel="prefetch" href="/assets/vmoption.html.2a384e93.js"><link rel="prefetch" href="/assets/vmtool.html.b9760aa2.js"><link rel="prefetch" href="/assets/watch.html.8587d435.js"><link rel="prefetch" href="/assets/web-console.html.288b4929.js"><link rel="prefetch" href="/assets/index.html.ff1404b7.js"><link rel="prefetch" href="/assets/advanced-use.html.bb267793.js"><link rel="prefetch" href="/assets/advice-class.html.94b18967.js"><link rel="prefetch" href="/assets/agent.html.f70ec699.js"><link rel="prefetch" href="/assets/arthas-properties.html.7beccba1.js"><link rel="prefetch" href="/assets/async.html.4fa97ba6.js"><link rel="prefetch" href="/assets/auth.html.faba59b2.js"><link rel="prefetch" href="/assets/base64.html.f5d760ad.js"><link rel="prefetch" href="/assets/batch-support.html.f735e8b3.js"><link rel="prefetch" href="/assets/cat.html.61cfeeed.js"><link rel="prefetch" href="/assets/classloader.html.1a744f9d.js"><link rel="prefetch" href="/assets/cls.html.9582133b.js"><link rel="prefetch" href="/assets/commands.html.d485bb31.js"><link rel="prefetch" href="/assets/contact-us.html.cf7df316.js"><link rel="prefetch" href="/assets/dashboard.html.9adb43a6.js"><link rel="prefetch" href="/assets/docker.html.dcd7c4dc.js"><link rel="prefetch" href="/assets/download.html.293fd4d6.js"><link rel="prefetch" href="/assets/dump.html.db2e1d15.js"><link rel="prefetch" href="/assets/echo.html.bfe5b1ec.js"><link rel="prefetch" href="/assets/faq.html.eb9e34c2.js"><link rel="prefetch" href="/assets/getstatic.html.8413a0bf.js"><link rel="prefetch" href="/assets/grep.html.7d76329e.js"><link rel="prefetch" href="/assets/groovy.html.30d5ba53.js"><link rel="prefetch" href="/assets/heapdump.html.6bb17092.js"><link rel="prefetch" href="/assets/help.html.efd32fdc.js"><link rel="prefetch" href="/assets/history.html.df512aaf.js"><link rel="prefetch" href="/assets/http-api.html.1e0c4fe4.js"><link rel="prefetch" href="/assets/idea-plugin.html.88925ff1.js"><link rel="prefetch" href="/assets/install-detail.html.7256efcb.js"><link rel="prefetch" href="/assets/jad.html.00011a0c.js"><link rel="prefetch" href="/assets/jfr.html.79f874a0.js"><link rel="prefetch" href="/assets/jvm.html.6b3bf176.js"><link rel="prefetch" href="/assets/keymap.html.d625308a.js"><link rel="prefetch" href="/assets/logger.html.35648b6b.js"><link rel="prefetch" href="/assets/manual-install.html.fd88c8b7.js"><link rel="prefetch" href="/assets/mbean.html.392ceafa.js"><link rel="prefetch" href="/assets/mc.html.0af39dc5.js"><link rel="prefetch" href="/assets/memory.html.332c2c37.js"><link rel="prefetch" href="/assets/monitor.html.cd5568d1.js"><link rel="prefetch" href="/assets/ognl.html.82505296.js"><link rel="prefetch" href="/assets/options.html.07168402.js"><link rel="prefetch" href="/assets/perfcounter.html.c4732563.js"><link rel="prefetch" href="/assets/profiler.html.cb7e80ca.js"><link rel="prefetch" href="/assets/pwd.html.12016768.js"><link rel="prefetch" href="/assets/quick-start.html.4690bd9e.js"><link rel="prefetch" href="/assets/quit.html.c7fec324.js"><link rel="prefetch" href="/assets/redefine.html.2e436be1.js"><link rel="prefetch" href="/assets/release-notes.html.a5a31dff.js"><link rel="prefetch" href="/assets/reset.html.6e400246.js"><link rel="prefetch" href="/assets/retransform.html.5387fa9b.js"><link rel="prefetch" href="/assets/save-log.html.093b3bcd.js"><link rel="prefetch" href="/assets/sc.html.cc0b3807.js"><link rel="prefetch" href="/assets/session.html.d2bc15a6.js"><link rel="prefetch" href="/assets/sm.html.a9569eeb.js"><link rel="prefetch" href="/assets/spring-boot-starter.html.ff12f0c1.js"><link rel="prefetch" href="/assets/stack.html.d7b82b5f.js"><link rel="prefetch" href="/assets/start-arthas.html.7adf3019.js"><link rel="prefetch" href="/assets/stop.html.770c7d0b.js"><link rel="prefetch" href="/assets/sysenv.html.c0682e8e.js"><link rel="prefetch" href="/assets/sysprop.html.05cb07d3.js"><link rel="prefetch" href="/assets/tee.html.235d5b7c.js"><link rel="prefetch" href="/assets/thread.html.91a56a2e.js"><link rel="prefetch" href="/assets/trace.html.1e385101.js"><link rel="prefetch" href="/assets/tt.html.dd804c2a.js"><link rel="prefetch" href="/assets/tunnel.html.d8272588.js"><link rel="prefetch" href="/assets/version.html.03456423.js"><link rel="prefetch" href="/assets/vmoption.html.333859d9.js"><link rel="prefetch" href="/assets/vmtool.html.6ffa578c.js"><link rel="prefetch" href="/assets/watch.html.49c58566.js"><link rel="prefetch" href="/assets/web-console.html.ad03b58b.js"><link rel="prefetch" href="/assets/intro.html.84f98ee4.js"><link rel="prefetch" href="/assets/user-question-history11440.html.945d2f9e.js"><link rel="prefetch" href="/assets/user-question-history11442.html.783bc8dc.js"><link rel="prefetch" href="/assets/user-question-history11443.html.d0a0a555.js"><link rel="prefetch" href="/assets/user-question-history11444.html.527dcabc.js"><link rel="prefetch" href="/assets/user-question-history11450.html.0b5859bb.js"><link rel="prefetch" href="/assets/user-question-history11451.html.7c8a6e22.js"><link rel="prefetch" href="/assets/user-question-history11452.html.a763d91d.js"><link rel="prefetch" href="/assets/user-question-history11453.html.5c967223.js"><link rel="prefetch" href="/assets/user-question-history11454.html.57a6549c.js"><link rel="prefetch" href="/assets/user-question-history11466.html.c0d693fe.js"><link rel="prefetch" href="/assets/user-question-history11467.html.625395e2.js"><link rel="prefetch" href="/assets/user-question-history11468.html.18c1233b.js"><link rel="prefetch" href="/assets/user-question-history11469.html.612d979c.js"><link rel="prefetch" href="/assets/user-question-history11784.html.f9437c23.js"><link rel="prefetch" href="/assets/user-question-history11795.html.bda07489.js"><link rel="prefetch" href="/assets/user-question-history11809.html.fe35e352.js"><link rel="prefetch" href="/assets/user-question-history11810.html.8374c3d6.js"><link rel="prefetch" href="/assets/user-question-history11814.html.d7769792.js"><link rel="prefetch" href="/assets/user-question-history12453.html.500b97bf.js"><link rel="prefetch" href="/assets/user-question-history12454.html.a008431b.js"><link rel="prefetch" href="/assets/user-question-history12455.html.ab02f527.js"><link rel="prefetch" href="/assets/user-question-history12706.html.5b3c7377.js"><link rel="prefetch" href="/assets/user-question-history12715.html.8003899b.js"><link rel="prefetch" href="/assets/user-question-history12740.html.42134d3d.js"><link rel="prefetch" href="/assets/user-question-history12741.html.458cbd4d.js"><link rel="prefetch" href="/assets/user-question-history13448.html.de3f47a3.js"><link rel="prefetch" href="/assets/user-question-history13504.html.4ef2df02.js"><link rel="prefetch" href="/assets/user-question-history13506.html.5d616bd0.js"><link rel="prefetch" href="/assets/user-question-history13507.html.b5f944e9.js"><link rel="prefetch" href="/assets/user-question-history13508.html.dc8e3c01.js"><link rel="prefetch" href="/assets/user-question-history13509.html.7caa5f1e.js"><link rel="prefetch" href="/assets/user-question-history13510.html.0c3bd94a.js"><link rel="prefetch" href="/assets/user-question-history13511.html.7f29583a.js"><link rel="prefetch" href="/assets/user-question-history13512.html.4c7642e0.js"><link rel="prefetch" href="/assets/user-question-history13513.html.82e1a86f.js"><link rel="prefetch" href="/assets/user-question-history13522.html.7a8c0ca3.js"><link rel="prefetch" href="/assets/user-question-history14763.html.6ac12d31.js"><link rel="prefetch" href="/assets/user-question-history14831.html.3f163d4d.js"><link rel="prefetch" href="/assets/user-question-history14832.html.42a4044b.js"><link rel="prefetch" href="/assets/user-question-history14833.html.8db4f27a.js"><link rel="prefetch" href="/assets/user-question-history14834.html.f77f6f47.js"><link rel="prefetch" href="/assets/user-question-history14840.html.a63b53e2.js"><link rel="prefetch" href="/assets/user-question-history14843.html.b9c5ba60.js"><link rel="prefetch" href="/assets/user-question-history15167.html.06ed0a3a.js"><link rel="prefetch" href="/assets/user-question-history15543.html.f75a7715.js"><link rel="prefetch" href="/assets/user-question-history15726.html.5f9e3ece.js"><link rel="prefetch" href="/assets/user-question-history15728.html.6ae4ac04.js"><link rel="prefetch" href="/assets/user-question-history15729.html.351db40d.js"><link rel="prefetch" href="/assets/user-question-history15730.html.41960780.js"><link rel="prefetch" href="/assets/user-question-history15731.html.d573fdf9.js"><link rel="prefetch" href="/assets/user-question-history15735.html.3bd2be36.js"><link rel="prefetch" href="/assets/user-question-history15736.html.d5153f23.js"><link rel="prefetch" href="/assets/user-question-history15737.html.c707eb2c.js"><link rel="prefetch" href="/assets/user-question-history15738.html.2e65b59a.js"><link rel="prefetch" href="/assets/user-question-history15739.html.0899467d.js"><link rel="prefetch" href="/assets/user-question-history15740.html.576c981e.js"><link rel="prefetch" href="/assets/404.html.0ebd2d1e.js"><link rel="prefetch" href="/assets/index.html.6f877a42.js"><link rel="prefetch" href="/assets/index.html.e1c35a2c.js"><link rel="prefetch" href="/assets/index.html.1e667cb0.js"><link rel="prefetch" href="/assets/advanced-use.html.617a179e.js"><link rel="prefetch" href="/assets/advice-class.html.3966bc34.js"><link rel="prefetch" href="/assets/agent.html.169afc92.js"><link rel="prefetch" href="/assets/arthas-properties.html.22c5538b.js"><link rel="prefetch" href="/assets/arthas3.html.bf9d08b9.js"><link rel="prefetch" href="/assets/async.html.c6c0d8af.js"><link rel="prefetch" href="/assets/auth.html.5c0bb925.js"><link rel="prefetch" href="/assets/base64.html.6622b909.js"><link rel="prefetch" href="/assets/batch-support.html.ed0e8e34.js"><link rel="prefetch" href="/assets/cat.html.c157828e.js"><link rel="prefetch" href="/assets/classloader.html.78e92958.js"><link rel="prefetch" href="/assets/cls.html.597fe850.js"><link rel="prefetch" href="/assets/commands.html.8ea8f1c9.js"><link rel="prefetch" href="/assets/contact-us.html.c7f20f05.js"><link rel="prefetch" href="/assets/dashboard.html.2d16a96f.js"><link rel="prefetch" href="/assets/docker.html.9db38ea9.js"><link rel="prefetch" href="/assets/download.html.95f65033.js"><link rel="prefetch" href="/assets/dump.html.684152e3.js"><link rel="prefetch" href="/assets/echo.html.d544d81a.js"><link rel="prefetch" href="/assets/faq.html.93006841.js"><link rel="prefetch" href="/assets/getstatic.html.4d5ade71.js"><link rel="prefetch" href="/assets/grep.html.b546f76a.js"><link rel="prefetch" href="/assets/groovy.html.952384a3.js"><link rel="prefetch" href="/assets/heapdump.html.df875ce1.js"><link rel="prefetch" href="/assets/help.html.7f7277a0.js"><link rel="prefetch" href="/assets/history.html.e386bef5.js"><link rel="prefetch" href="/assets/http-api.html.ff6573e2.js"><link rel="prefetch" href="/assets/idea-plugin.html.2c435bd6.js"><link rel="prefetch" href="/assets/install-detail.html.58bf7631.js"><link rel="prefetch" href="/assets/jad.html.71725b4d.js"><link rel="prefetch" href="/assets/jfr.html.33d0e87c.js"><link rel="prefetch" href="/assets/jvm.html.15cac4de.js"><link rel="prefetch" href="/assets/keymap.html.c39ae847.js"><link rel="prefetch" href="/assets/logger.html.66bfe44f.js"><link rel="prefetch" href="/assets/manual-install.html.f703b58a.js"><link rel="prefetch" href="/assets/mbean.html.abe68e1f.js"><link rel="prefetch" href="/assets/mc.html.582e3978.js"><link rel="prefetch" href="/assets/memory.html.74cd562f.js"><link rel="prefetch" href="/assets/monitor.html.fb70539d.js"><link rel="prefetch" href="/assets/ognl.html.58452c6e.js"><link rel="prefetch" href="/assets/options.html.4f6b8af0.js"><link rel="prefetch" href="/assets/perfcounter.html.b2361fcc.js"><link rel="prefetch" href="/assets/profiler.html.cfdf06fc.js"><link rel="prefetch" href="/assets/pwd.html.45f7b5f4.js"><link rel="prefetch" href="/assets/quick-start.html.98742ff3.js"><link rel="prefetch" href="/assets/quit.html.9be5034b.js"><link rel="prefetch" href="/assets/redefine.html.06971ba0.js"><link rel="prefetch" href="/assets/release-notes.html.ae7c7b03.js"><link rel="prefetch" href="/assets/reset.html.a2343863.js"><link rel="prefetch" href="/assets/retransform.html.4ce82edc.js"><link rel="prefetch" href="/assets/save-log.html.6180adba.js"><link rel="prefetch" href="/assets/sc.html.a72025c4.js"><link rel="prefetch" href="/assets/session.html.ef6f8ac5.js"><link rel="prefetch" href="/assets/sm.html.86cd6928.js"><link rel="prefetch" href="/assets/spring-boot-starter.html.248f9e7c.js"><link rel="prefetch" href="/assets/stack.html.1bde76ad.js"><link rel="prefetch" href="/assets/start-arthas.html.8d7621c3.js"><link rel="prefetch" href="/assets/stop.html.a68ed352.js"><link rel="prefetch" href="/assets/sysenv.html.40c9f7d4.js"><link rel="prefetch" href="/assets/sysprop.html.4eb01608.js"><link rel="prefetch" href="/assets/tee.html.436cef4e.js"><link rel="prefetch" href="/assets/thread.html.4f636016.js"><link rel="prefetch" href="/assets/trace.html.600f9b21.js"><link rel="prefetch" href="/assets/tt.html.9e9d979d.js"><link rel="prefetch" href="/assets/tunnel.html.b0c7fb87.js"><link rel="prefetch" href="/assets/version.html.69f86fd4.js"><link rel="prefetch" href="/assets/vmoption.html.639c7455.js"><link rel="prefetch" href="/assets/vmtool.html.98517f57.js"><link rel="prefetch" href="/assets/watch.html.53eabb0d.js"><link rel="prefetch" href="/assets/web-console.html.9c744879.js"><link rel="prefetch" href="/assets/index.html.a84844ee.js"><link rel="prefetch" href="/assets/advanced-use.html.39108be5.js"><link rel="prefetch" href="/assets/advice-class.html.2c6f4f1f.js"><link rel="prefetch" href="/assets/agent.html.719f7fa4.js"><link rel="prefetch" href="/assets/arthas-properties.html.343a2142.js"><link rel="prefetch" href="/assets/async.html.35353887.js"><link rel="prefetch" href="/assets/auth.html.e42b7afa.js"><link rel="prefetch" href="/assets/base64.html.28ca621c.js"><link rel="prefetch" href="/assets/batch-support.html.6b040071.js"><link rel="prefetch" href="/assets/cat.html.8716eb7e.js"><link rel="prefetch" href="/assets/classloader.html.f359a7bb.js"><link rel="prefetch" href="/assets/cls.html.e654aef1.js"><link rel="prefetch" href="/assets/commands.html.10091c22.js"><link rel="prefetch" href="/assets/contact-us.html.457d01dd.js"><link rel="prefetch" href="/assets/dashboard.html.bb68c60b.js"><link rel="prefetch" href="/assets/docker.html.d0532b9e.js"><link rel="prefetch" href="/assets/download.html.96adf786.js"><link rel="prefetch" href="/assets/dump.html.7397eecc.js"><link rel="prefetch" href="/assets/echo.html.2dc6eaf2.js"><link rel="prefetch" href="/assets/faq.html.6db3fc58.js"><link rel="prefetch" href="/assets/getstatic.html.1e109bf0.js"><link rel="prefetch" href="/assets/grep.html.c7e17e83.js"><link rel="prefetch" href="/assets/groovy.html.001f8d1b.js"><link rel="prefetch" href="/assets/heapdump.html.07bc1553.js"><link rel="prefetch" href="/assets/help.html.ebd24866.js"><link rel="prefetch" href="/assets/history.html.445ae69c.js"><link rel="prefetch" href="/assets/http-api.html.f5de2ec4.js"><link rel="prefetch" href="/assets/idea-plugin.html.be82f4f2.js"><link rel="prefetch" href="/assets/install-detail.html.0692c75f.js"><link rel="prefetch" href="/assets/jad.html.fa8e95fa.js"><link rel="prefetch" href="/assets/jfr.html.0dfa6982.js"><link rel="prefetch" href="/assets/jvm.html.a6c0f7fd.js"><link rel="prefetch" href="/assets/keymap.html.0e5a5b40.js"><link rel="prefetch" href="/assets/logger.html.d3d6c3e6.js"><link rel="prefetch" href="/assets/manual-install.html.b18c941c.js"><link rel="prefetch" href="/assets/mbean.html.05bd587d.js"><link rel="prefetch" href="/assets/mc.html.cb290020.js"><link rel="prefetch" href="/assets/memory.html.11c166db.js"><link rel="prefetch" href="/assets/monitor.html.49e70b36.js"><link rel="prefetch" href="/assets/ognl.html.4e58520e.js"><link rel="prefetch" href="/assets/options.html.cf3bf7c3.js"><link rel="prefetch" href="/assets/perfcounter.html.83ddcd61.js"><link rel="prefetch" href="/assets/profiler.html.8d268e29.js"><link rel="prefetch" href="/assets/pwd.html.43e9cc1a.js"><link rel="prefetch" href="/assets/quick-start.html.c0cf1f9e.js"><link rel="prefetch" href="/assets/quit.html.124a6c89.js"><link rel="prefetch" href="/assets/redefine.html.2483f8a2.js"><link rel="prefetch" href="/assets/release-notes.html.53ac11ef.js"><link rel="prefetch" href="/assets/reset.html.99285c85.js"><link rel="prefetch" href="/assets/retransform.html.9c53919b.js"><link rel="prefetch" href="/assets/save-log.html.5c8c7a50.js"><link rel="prefetch" href="/assets/sc.html.a3f58bf9.js"><link rel="prefetch" href="/assets/session.html.cb1f522c.js"><link rel="prefetch" href="/assets/sm.html.d8a5472b.js"><link rel="prefetch" href="/assets/spring-boot-starter.html.7c722865.js"><link rel="prefetch" href="/assets/stack.html.da28c14e.js"><link rel="prefetch" href="/assets/start-arthas.html.2c8f4ce4.js"><link rel="prefetch" href="/assets/stop.html.1bc31912.js"><link rel="prefetch" href="/assets/sysenv.html.3df0e090.js"><link rel="prefetch" href="/assets/sysprop.html.79164b76.js"><link rel="prefetch" href="/assets/tee.html.0f6c7e78.js"><link rel="prefetch" href="/assets/thread.html.88276c74.js"><link rel="prefetch" href="/assets/trace.html.e758c83b.js"><link rel="prefetch" href="/assets/tt.html.c722ad73.js"><link rel="prefetch" href="/assets/tunnel.html.f982c6d5.js"><link rel="prefetch" href="/assets/version.html.e9002a9e.js"><link rel="prefetch" href="/assets/vmoption.html.935ccf06.js"><link rel="prefetch" href="/assets/vmtool.html.3cb852d5.js"><link rel="prefetch" href="/assets/watch.html.91855110.js"><link rel="prefetch" href="/assets/web-console.html.570f2fb0.js"><link rel="prefetch" href="/assets/intro.html.2fdcc1f6.js"><link rel="prefetch" href="/assets/user-question-history11440.html.bf724961.js"><link rel="prefetch" href="/assets/user-question-history11442.html.76b083f2.js"><link rel="prefetch" href="/assets/user-question-history11443.html.dd43140c.js"><link rel="prefetch" href="/assets/user-question-history11444.html.653016c8.js"><link rel="prefetch" href="/assets/user-question-history11450.html.7d057dc8.js"><link rel="prefetch" href="/assets/user-question-history11451.html.1f26a5f1.js"><link rel="prefetch" href="/assets/user-question-history11452.html.bea18c73.js"><link rel="prefetch" href="/assets/user-question-history11453.html.87249060.js"><link rel="prefetch" href="/assets/user-question-history11454.html.3e79ce1b.js"><link rel="prefetch" href="/assets/user-question-history11466.html.f9d0e2b5.js"><link rel="prefetch" href="/assets/user-question-history11467.html.050a5b65.js"><link rel="prefetch" href="/assets/user-question-history11468.html.cee7430d.js"><link rel="prefetch" href="/assets/user-question-history11469.html.20a0d9c0.js"><link rel="prefetch" href="/assets/user-question-history11784.html.d3927d19.js"><link rel="prefetch" href="/assets/user-question-history11795.html.c3a233c7.js"><link rel="prefetch" href="/assets/user-question-history11809.html.72add501.js"><link rel="prefetch" href="/assets/user-question-history11810.html.c45d594c.js"><link rel="prefetch" href="/assets/user-question-history11814.html.472dad8c.js"><link rel="prefetch" href="/assets/user-question-history12453.html.e7b00da5.js"><link rel="prefetch" href="/assets/user-question-history12454.html.070671e6.js"><link rel="prefetch" href="/assets/user-question-history12455.html.11c0505a.js"><link rel="prefetch" href="/assets/user-question-history12706.html.22838089.js"><link rel="prefetch" href="/assets/user-question-history12715.html.40520bb9.js"><link rel="prefetch" href="/assets/user-question-history12740.html.6c67d89e.js"><link rel="prefetch" href="/assets/user-question-history12741.html.8f8ef438.js"><link rel="prefetch" href="/assets/user-question-history13448.html.5f318a8d.js"><link rel="prefetch" href="/assets/user-question-history13504.html.b4ad4d3e.js"><link rel="prefetch" href="/assets/user-question-history13506.html.1dd05bf1.js"><link rel="prefetch" href="/assets/user-question-history13507.html.0abfa3db.js"><link rel="prefetch" href="/assets/user-question-history13508.html.80bc13cc.js"><link rel="prefetch" href="/assets/user-question-history13509.html.1fabd419.js"><link rel="prefetch" href="/assets/user-question-history13510.html.3776c582.js"><link rel="prefetch" href="/assets/user-question-history13511.html.812ade32.js"><link rel="prefetch" href="/assets/user-question-history13512.html.6a5ff3a5.js"><link rel="prefetch" href="/assets/user-question-history13513.html.cffa2f95.js"><link rel="prefetch" href="/assets/user-question-history13522.html.7148f7cf.js"><link rel="prefetch" href="/assets/user-question-history14763.html.c98ba895.js"><link rel="prefetch" href="/assets/user-question-history14831.html.cbafb0f2.js"><link rel="prefetch" href="/assets/user-question-history14832.html.4b80ed42.js"><link rel="prefetch" href="/assets/user-question-history14833.html.8db8f508.js"><link rel="prefetch" href="/assets/user-question-history14834.html.3822e6fc.js"><link rel="prefetch" href="/assets/user-question-history14840.html.93548107.js"><link rel="prefetch" href="/assets/user-question-history14843.html.7ff9f07b.js"><link rel="prefetch" href="/assets/user-question-history15167.html.2c138f8a.js"><link rel="prefetch" href="/assets/user-question-history15543.html.51c1fac1.js"><link rel="prefetch" href="/assets/user-question-history15726.html.56513042.js"><link rel="prefetch" href="/assets/user-question-history15728.html.0493e20a.js"><link rel="prefetch" href="/assets/user-question-history15729.html.5c5f8459.js"><link rel="prefetch" href="/assets/user-question-history15730.html.29f394dc.js"><link rel="prefetch" href="/assets/user-question-history15731.html.aafe333e.js"><link rel="prefetch" href="/assets/user-question-history15735.html.5d6f161d.js"><link rel="prefetch" href="/assets/user-question-history15736.html.2bab0f9a.js"><link rel="prefetch" href="/assets/user-question-history15737.html.520a0092.js"><link rel="prefetch" href="/assets/user-question-history15738.html.4faf5663.js"><link rel="prefetch" href="/assets/user-question-history15739.html.d7f678a3.js"><link rel="prefetch" href="/assets/user-question-history15740.html.d979803b.js"><link rel="prefetch" href="/assets/404.html.6f723974.js">
<link rel="stylesheet" href="/assets/style.cf0d4c26.css">
</head>
<body>
<div id="app"><!--[--><div class="theme-container"><!--[--><header class="navbar"><div class="toggle-sidebar-button" title="切换侧边栏" aria-expanded="false" role="button" tabindex="0"><div class="icon" aria-hidden="true"><span></span><span></span><span></span></div></div><span><a href="/" class="" data-v-a8869d06><!----><span class="site-name can-hide" data-v-a8869d06>arthas</span><span class="navbar-version" data-v-a8869d06>v3.7.2</span></a></span><div class="navbar-items-wrapper" style=""><!--[--><!--]--><nav class="navbar-items can-hide"><!--[--><div class="navbar-item"><a href="/" class="" aria-label="首页"><!--[--><!--]--> 首页 <!--[--><!--]--></a></div><div class="navbar-item"><a class="external-link" href="/doc/arthas-tutorials.html?language=cn&amp;id=arthas-basics" rel="noopener noreferrer" target="_blank" aria-label="在线教程"><!--[--><!--]--><span>在线教程</span><span><svg class="external-link-icon" xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewbox="0 0 100 100" width="15" height="15"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path><polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg><span class="external-link-icon-sr-only">在新窗口打开</span></span><!--[--><!--]--></a></div><div class="navbar-item"><a href="/doc/" class="router-link-active" aria-label="文档"><!--[--><!--]--> 文档 <!--[--><!--]--></a></div><div class="navbar-item"><a href="/doc/commands.md" class="" aria-label="命令列表"><!--[--><!--]--> 命令列表 <!--[--><!--]--></a></div><div class="navbar-item"><a href="/doc/download.md" class="" aria-label="下载"><!--[--><!--]--> 下载 <!--[--><!--]--></a></div><div class="navbar-item"><a href="/doc/expert/intro.md" class="" aria-label="专家答疑"><!--[--><!--]--> 专家答疑 <!--[--><!--]--></a></div><div class="navbar-item"><div class="navbar-dropdown-wrapper"><button class="navbar-dropdown-title" type="button" aria-label="Select language"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="1em" height="1em" style="height:1.25rem;width:1.25rem;vertical-align:bottom;" viewbox="0 0 24 24"><path fill="currentColor" d="M13.35 22q-.6 0-.862-.387q-.263-.388-.063-.963l3.65-9.675q.15-.4.563-.688Q17.05 10 17.5 10q.425 0 .85.287q.425.288.575.688l3.65 9.675q.2.575-.062.963q-.263.387-.888.387q-.275 0-.5-.175q-.225-.175-.325-.425l-.85-2.45H15.1l-.875 2.45q-.1.25-.35.425q-.25.175-.525.175Zm2.35-4.8h3.6l-1.75-4.95h-.1ZM7.15 8.55q.4.725.85 1.337q.45.613 1.05 1.263q1.1-1.2 1.825-2.462Q11.6 7.425 12.1 6H2q-.425 0-.712-.287Q1 5.425 1 5t.288-.713Q1.575 4 2 4h6V3q0-.425.288-.713Q8.575 2 9 2t.713.287Q10 2.575 10 3v1h6q.425 0 .712.287Q17 4.575 17 5t-.288.713Q16.425 6 16 6h-1.9q-.525 1.775-1.425 3.45q-.9 1.675-2.225 3.15l2.4 2.45l-.75 2.05L9 14l-4.3 4.3q-.275.275-.7.275q-.425 0-.7-.275q-.275-.275-.275-.7q0-.425.275-.7l4.35-4.35q-.675-.775-1.25-1.563q-.575-.787-1.025-1.662Q5.1 8.8 5.35 8.4t.875-.4q.25 0 .525.162q.275.163.4.388Z"></path></svg><span class="arrow down"></span></button><button class="navbar-dropdown-title-mobile" type="button" aria-label="Select language"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="1em" height="1em" style="height:1.25rem;width:1.25rem;vertical-align:bottom;" viewbox="0 0 24 24"><path fill="currentColor" d="M13.35 22q-.6 0-.862-.387q-.263-.388-.063-.963l3.65-9.675q.15-.4.563-.688Q17.05 10 17.5 10q.425 0 .85.287q.425.288.575.688l3.65 9.675q.2.575-.062.963q-.263.387-.888.387q-.275 0-.5-.175q-.225-.175-.325-.425l-.85-2.45H15.1l-.875 2.45q-.1.25-.35.425q-.25.175-.525.175Zm2.35-4.8h3.6l-1.75-4.95h-.1ZM7.15 8.55q.4.725.85 1.337q.45.613 1.05 1.263q1.1-1.2 1.825-2.462Q11.6 7.425 12.1 6H2q-.425 0-.712-.287Q1 5.425 1 5t.288-.713Q1.575 4 2 4h6V3q0-.425.288-.713Q8.575 2 9 2t.713.287Q10 2.575 10 3v1h6q.425 0 .712.287Q17 4.575 17 5t-.288.713Q16.425 6 16 6h-1.9q-.525 1.775-1.425 3.45q-.9 1.675-2.225 3.15l2.4 2.45l-.75 2.05L9 14l-4.3 4.3q-.275.275-.7.275q-.425 0-.7-.275q-.275-.275-.275-.7q0-.425.275-.7l4.35-4.35q-.675-.775-1.25-1.563q-.575-.787-1.025-1.662Q5.1 8.8 5.35 8.4t.875-.4q.25 0 .525.162q.275.163.4.388Z"></path></svg><span class="right arrow"></span></button><ul style="display:none;" class="navbar-dropdown"><!--[--><li class="navbar-dropdown-item"><a aria-current="page" href="/doc/expert/user-question-history12716.html" class="router-link-active router-link-exact-active router-link-active" aria-label="简体中文"><!--[--><!--]--> 简体中文 <!--[--><!--]--></a></li><li class="navbar-dropdown-item"><a href="/en/" class="" aria-label="English"><!--[--><!--]--> English <!--[--><!--]--></a></li><!--]--></ul></div></div><div class="navbar-item"><a class="external-link" href="https://github.com/alibaba/arthas" rel="noopener noreferrer" target="_blank" aria-label="GitHub"><!--[--><!--]--><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" viewbox="0 0 24 24" style="height:1.25rem;width:1.25rem;vertical-align:bottom;"><path fill="currentColor" d="M12 2A10 10 0 0 0 2 12c0 4.42 2.87 8.17 6.84 9.5c.5.08.66-.23.66-.5v-1.69c-2.77.6-3.36-1.34-3.36-1.34c-.46-1.16-1.11-1.47-1.11-1.47c-.91-.62.07-.6.07-.6c1 .07 1.53 1.03 1.53 1.03c.87 1.52 2.34 1.07 2.91.83c.09-.65.35-1.09.63-1.34c-2.22-.25-4.55-1.11-4.55-4.92c0-1.11.38-2 1.03-2.71c-.1-.25-.45-1.29.1-2.64c0 0 .84-.27 2.75 1.02c.79-.22 1.65-.33 2.5-.33c.85 0 1.71.11 2.5.33c1.91-1.29 2.75-1.02 2.75-1.02c.55 1.35.2 2.39.1 2.64c.65.71 1.03 1.6 1.03 2.71c0 3.82-2.34 4.66-4.57 4.91c.36.31.69.92.69 1.85V21c0 .27.16.59.67.5C19.14 20.16 22 16.42 22 12A10 10 0 0 0 12 2Z"></path></svg><!----><!--[--><!--]--></a></div><!--]--></nav><!--[--><!--]--><button class="toggle-color-mode-button" title="切换颜色模式"><svg style="" class="icon" focusable="false" viewBox="0 0 32 32"><path d="M16 12.005a4 4 0 1 1-4 4a4.005 4.005 0 0 1 4-4m0-2a6 6 0 1 0 6 6a6 6 0 0 0-6-6z" fill="currentColor"></path><path d="M5.394 6.813l1.414-1.415l3.506 3.506L8.9 10.318z" fill="currentColor"></path><path d="M2 15.005h5v2H2z" fill="currentColor"></path><path d="M5.394 25.197L8.9 21.691l1.414 1.415l-3.506 3.505z" fill="currentColor"></path><path d="M15 25.005h2v5h-2z" fill="currentColor"></path><path d="M21.687 23.106l1.414-1.415l3.506 3.506l-1.414 1.414z" fill="currentColor"></path><path d="M25 15.005h5v2h-5z" fill="currentColor"></path><path d="M21.687 8.904l3.506-3.506l1.414 1.415l-3.506 3.505z" fill="currentColor"></path><path d="M15 2.005h2v5h-2z" fill="currentColor"></path></svg><svg style="display:none;" class="icon" focusable="false" viewBox="0 0 32 32"><path d="M13.502 5.414a15.075 15.075 0 0 0 11.594 18.194a11.113 11.113 0 0 1-7.975 3.39c-.138 0-.278.005-.418 0a11.094 11.094 0 0 1-3.2-21.584M14.98 3a1.002 1.002 0 0 0-.175.016a13.096 13.096 0 0 0 1.825 25.981c.164.006.328 0 .49 0a13.072 13.072 0 0 0 10.703-5.555a1.01 1.01 0 0 0-.783-1.565A13.08 13.08 0 0 1 15.89 4.38A1.015 1.015 0 0 0 14.98 3z" fill="currentColor"></path></svg></button><div id="docsearch-container"></div></div></header><!--]--><div class="sidebar-mask"></div><!--[--><aside class="sidebar"><nav class="navbar-items"><!--[--><div class="navbar-item"><a href="/" class="" aria-label="首页"><!--[--><!--]--> 首页 <!--[--><!--]--></a></div><div class="navbar-item"><a class="external-link" href="/doc/arthas-tutorials.html?language=cn&amp;id=arthas-basics" rel="noopener noreferrer" target="_blank" aria-label="在线教程"><!--[--><!--]--><span>在线教程</span><span><svg class="external-link-icon" xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewbox="0 0 100 100" width="15" height="15"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path><polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg><span class="external-link-icon-sr-only">在新窗口打开</span></span><!--[--><!--]--></a></div><div class="navbar-item"><a href="/doc/" class="router-link-active" aria-label="文档"><!--[--><!--]--> 文档 <!--[--><!--]--></a></div><div class="navbar-item"><a href="/doc/commands.md" class="" aria-label="命令列表"><!--[--><!--]--> 命令列表 <!--[--><!--]--></a></div><div class="navbar-item"><a href="/doc/download.md" class="" aria-label="下载"><!--[--><!--]--> 下载 <!--[--><!--]--></a></div><div class="navbar-item"><a href="/doc/expert/intro.md" class="" aria-label="专家答疑"><!--[--><!--]--> 专家答疑 <!--[--><!--]--></a></div><div class="navbar-item"><div class="navbar-dropdown-wrapper"><button class="navbar-dropdown-title" type="button" aria-label="Select language"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="1em" height="1em" style="height:1.25rem;width:1.25rem;vertical-align:bottom;" viewbox="0 0 24 24"><path fill="currentColor" d="M13.35 22q-.6 0-.862-.387q-.263-.388-.063-.963l3.65-9.675q.15-.4.563-.688Q17.05 10 17.5 10q.425 0 .85.287q.425.288.575.688l3.65 9.675q.2.575-.062.963q-.263.387-.888.387q-.275 0-.5-.175q-.225-.175-.325-.425l-.85-2.45H15.1l-.875 2.45q-.1.25-.35.425q-.25.175-.525.175Zm2.35-4.8h3.6l-1.75-4.95h-.1ZM7.15 8.55q.4.725.85 1.337q.45.613 1.05 1.263q1.1-1.2 1.825-2.462Q11.6 7.425 12.1 6H2q-.425 0-.712-.287Q1 5.425 1 5t.288-.713Q1.575 4 2 4h6V3q0-.425.288-.713Q8.575 2 9 2t.713.287Q10 2.575 10 3v1h6q.425 0 .712.287Q17 4.575 17 5t-.288.713Q16.425 6 16 6h-1.9q-.525 1.775-1.425 3.45q-.9 1.675-2.225 3.15l2.4 2.45l-.75 2.05L9 14l-4.3 4.3q-.275.275-.7.275q-.425 0-.7-.275q-.275-.275-.275-.7q0-.425.275-.7l4.35-4.35q-.675-.775-1.25-1.563q-.575-.787-1.025-1.662Q5.1 8.8 5.35 8.4t.875-.4q.25 0 .525.162q.275.163.4.388Z"></path></svg><span class="arrow down"></span></button><button class="navbar-dropdown-title-mobile" type="button" aria-label="Select language"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="1em" height="1em" style="height:1.25rem;width:1.25rem;vertical-align:bottom;" viewbox="0 0 24 24"><path fill="currentColor" d="M13.35 22q-.6 0-.862-.387q-.263-.388-.063-.963l3.65-9.675q.15-.4.563-.688Q17.05 10 17.5 10q.425 0 .85.287q.425.288.575.688l3.65 9.675q.2.575-.062.963q-.263.387-.888.387q-.275 0-.5-.175q-.225-.175-.325-.425l-.85-2.45H15.1l-.875 2.45q-.1.25-.35.425q-.25.175-.525.175Zm2.35-4.8h3.6l-1.75-4.95h-.1ZM7.15 8.55q.4.725.85 1.337q.45.613 1.05 1.263q1.1-1.2 1.825-2.462Q11.6 7.425 12.1 6H2q-.425 0-.712-.287Q1 5.425 1 5t.288-.713Q1.575 4 2 4h6V3q0-.425.288-.713Q8.575 2 9 2t.713.287Q10 2.575 10 3v1h6q.425 0 .712.287Q17 4.575 17 5t-.288.713Q16.425 6 16 6h-1.9q-.525 1.775-1.425 3.45q-.9 1.675-2.225 3.15l2.4 2.45l-.75 2.05L9 14l-4.3 4.3q-.275.275-.7.275q-.425 0-.7-.275q-.275-.275-.275-.7q0-.425.275-.7l4.35-4.35q-.675-.775-1.25-1.563q-.575-.787-1.025-1.662Q5.1 8.8 5.35 8.4t.875-.4q.25 0 .525.162q.275.163.4.388Z"></path></svg><span class="right arrow"></span></button><ul style="display:none;" class="navbar-dropdown"><!--[--><li class="navbar-dropdown-item"><a aria-current="page" href="/doc/expert/user-question-history12716.html" class="router-link-active router-link-exact-active router-link-active" aria-label="简体中文"><!--[--><!--]--> 简体中文 <!--[--><!--]--></a></li><li class="navbar-dropdown-item"><a href="/en/" class="" aria-label="English"><!--[--><!--]--> English <!--[--><!--]--></a></li><!--]--></ul></div></div><div class="navbar-item"><a class="external-link" href="https://github.com/alibaba/arthas" rel="noopener noreferrer" target="_blank" aria-label="GitHub"><!--[--><!--]--><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" viewbox="0 0 24 24" style="height:1.25rem;width:1.25rem;vertical-align:bottom;"><path fill="currentColor" d="M12 2A10 10 0 0 0 2 12c0 4.42 2.87 8.17 6.84 9.5c.5.08.66-.23.66-.5v-1.69c-2.77.6-3.36-1.34-3.36-1.34c-.46-1.16-1.11-1.47-1.11-1.47c-.91-.62.07-.6.07-.6c1 .07 1.53 1.03 1.53 1.03c.87 1.52 2.34 1.07 2.91.83c.09-.65.35-1.09.63-1.34c-2.22-.25-4.55-1.11-4.55-4.92c0-1.11.38-2 1.03-2.71c-.1-.25-.45-1.29.1-2.64c0 0 .84-.27 2.75 1.02c.79-.22 1.65-.33 2.5-.33c.85 0 1.71.11 2.5.33c1.91-1.29 2.75-1.02 2.75-1.02c.55 1.35.2 2.39.1 2.64c.65.71 1.03 1.6 1.03 2.71c0 3.82-2.34 4.66-4.57 4.91c.36.31.69.92.69 1.85V21c0 .27.16.59.67.5C19.14 20.16 22 16.42 22 12A10 10 0 0 0 12 2Z"></path></svg><!----><!--[--><!--]--></a></div><!--]--></nav><!--[--><!--]--><ul class="sidebar-items"><!--[--><li><p tabindex="0" class="sidebar-item sidebar-heading active">文档 <!----></p><ul style="" class="sidebar-item-children"><!--[--><li><a href="/doc/" class="router-link-active sidebar-item" aria-label="简介"><!--[--><!--]--> 简介 <!--[--><!--]--></a><!----></li><li><a href="/doc/quick-start.html" class="sidebar-item" aria-label="快速入门"><!--[--><!--]--> 快速入门 <!--[--><!--]--></a><!----></li><li><a href="/doc/install-detail.html" class="sidebar-item" aria-label="Arthas Install"><!--[--><!--]--> Arthas Install <!--[--><!--]--></a><!----></li><li><a href="/doc/download.html" class="sidebar-item" aria-label="下载"><!--[--><!--]--> 下载 <!--[--><!--]--></a><!----></li><li><a href="/doc/advice-class.html" class="sidebar-item" aria-label="表达式核心变量"><!--[--><!--]--> 表达式核心变量 <!--[--><!--]--></a><!----></li><li><a href="/doc/commands.md" class="sidebar-item collapsible" aria-label="命令列表"><!--[--><!--]--> 命令列表 <!--[--><!--]--></a><ul style="display:none;" class="sidebar-item-children"><!--[--><li><a href="/doc/auth.html" class="sidebar-item" aria-label="auth"><!--[--><!--]--> auth <!--[--><!--]--></a><!----></li><li><a href="/doc/base64.html" class="sidebar-item" aria-label="base64"><!--[--><!--]--> base64 <!--[--><!--]--></a><!----></li><li><a href="/doc/cat.html" class="sidebar-item" aria-label="cat"><!--[--><!--]--> cat <!--[--><!--]--></a><!----></li><li><a href="/doc/classloader.html" class="sidebar-item" aria-label="classloader"><!--[--><!--]--> classloader <!--[--><!--]--></a><!----></li><li><a href="/doc/cls.html" class="sidebar-item" aria-label="cls"><!--[--><!--]--> cls <!--[--><!--]--></a><!----></li><li><a href="/doc/dashboard.html" class="sidebar-item" aria-label="dashboard"><!--[--><!--]--> dashboard <!--[--><!--]--></a><!----></li><li><a href="/doc/dump.html" class="sidebar-item" aria-label="dump"><!--[--><!--]--> dump <!--[--><!--]--></a><!----></li><li><a href="/doc/echo.html" class="sidebar-item" aria-label="echo"><!--[--><!--]--> echo <!--[--><!--]--></a><!----></li><li><a href="/doc/getstatic.html" class="sidebar-item" aria-label="getstatic"><!--[--><!--]--> getstatic <!--[--><!--]--></a><!----></li><li><a href="/doc/grep.html" class="sidebar-item" aria-label="grep"><!--[--><!--]--> grep <!--[--><!--]--></a><!----></li><li><a href="/doc/heapdump.html" class="sidebar-item" aria-label="heapdump"><!--[--><!--]--> heapdump <!--[--><!--]--></a><!----></li><li><a href="/doc/help.html" class="sidebar-item" aria-label="help"><!--[--><!--]--> help <!--[--><!--]--></a><!----></li><li><a href="/doc/history.html" class="sidebar-item" aria-label="history"><!--[--><!--]--> history <!--[--><!--]--></a><!----></li><li><a href="/doc/jad.html" class="sidebar-item" aria-label="jad"><!--[--><!--]--> jad <!--[--><!--]--></a><!----></li><li><a href="/doc/jfr.html" class="sidebar-item" aria-label="jfr"><!--[--><!--]--> jfr <!--[--><!--]--></a><!----></li><li><a href="/doc/jvm.html" class="sidebar-item" aria-label="jvm"><!--[--><!--]--> jvm <!--[--><!--]--></a><!----></li><li><a href="/doc/keymap.html" class="sidebar-item" aria-label="keymap"><!--[--><!--]--> keymap <!--[--><!--]--></a><!----></li><li><a href="/doc/logger.html" class="sidebar-item" aria-label="logger"><!--[--><!--]--> logger <!--[--><!--]--></a><!----></li><li><a href="/doc/mbean.html" class="sidebar-item" aria-label="mbean"><!--[--><!--]--> mbean <!--[--><!--]--></a><!----></li><li><a href="/doc/mc.html" class="sidebar-item" aria-label="mc"><!--[--><!--]--> mc <!--[--><!--]--></a><!----></li><li><a href="/doc/memory.html" class="sidebar-item" aria-label="memory"><!--[--><!--]--> memory <!--[--><!--]--></a><!----></li><li><a href="/doc/monitor.html" class="sidebar-item" aria-label="monitor"><!--[--><!--]--> monitor <!--[--><!--]--></a><!----></li><li><a href="/doc/ognl.html" class="sidebar-item" aria-label="ognl"><!--[--><!--]--> ognl <!--[--><!--]--></a><!----></li><li><a href="/doc/options.html" class="sidebar-item" aria-label="options"><!--[--><!--]--> options <!--[--><!--]--></a><!----></li><li><a href="/doc/perfcounter.html" class="sidebar-item" aria-label="perfcounter"><!--[--><!--]--> perfcounter <!--[--><!--]--></a><!----></li><li><a href="/doc/profiler.html" class="sidebar-item" aria-label="profiler"><!--[--><!--]--> profiler <!--[--><!--]--></a><!----></li><li><a href="/doc/pwd.html" class="sidebar-item" aria-label="pwd"><!--[--><!--]--> pwd <!--[--><!--]--></a><!----></li><li><a href="/doc/quit.html" class="sidebar-item" aria-label="quit"><!--[--><!--]--> quit <!--[--><!--]--></a><!----></li><li><a href="/doc/redefine.html" class="sidebar-item" aria-label="redefine"><!--[--><!--]--> redefine <!--[--><!--]--></a><!----></li><li><a href="/doc/reset.html" class="sidebar-item" aria-label="reset"><!--[--><!--]--> reset <!--[--><!--]--></a><!----></li><li><a href="/doc/retransform.html" class="sidebar-item" aria-label="retransform"><!--[--><!--]--> retransform <!--[--><!--]--></a><!----></li><li><a href="/doc/sc.html" class="sidebar-item" aria-label="sc"><!--[--><!--]--> sc <!--[--><!--]--></a><!----></li><li><a href="/doc/session.html" class="sidebar-item" aria-label="session"><!--[--><!--]--> session <!--[--><!--]--></a><!----></li><li><a href="/doc/sm.html" class="sidebar-item" aria-label="sm"><!--[--><!--]--> sm <!--[--><!--]--></a><!----></li><li><a href="/doc/stack.html" class="sidebar-item" aria-label="stack"><!--[--><!--]--> stack <!--[--><!--]--></a><!----></li><li><a href="/doc/stop.html" class="sidebar-item" aria-label="stop"><!--[--><!--]--> stop <!--[--><!--]--></a><!----></li><li><a href="/doc/sysenv.html" class="sidebar-item" aria-label="sysenv"><!--[--><!--]--> sysenv <!--[--><!--]--></a><!----></li><li><a href="/doc/sysprop.html" class="sidebar-item" aria-label="sysprop"><!--[--><!--]--> sysprop <!--[--><!--]--></a><!----></li><li><a href="/doc/tee.html" class="sidebar-item" aria-label="tee"><!--[--><!--]--> tee <!--[--><!--]--></a><!----></li><li><a href="/doc/thread.html" class="sidebar-item" aria-label="thread"><!--[--><!--]--> thread <!--[--><!--]--></a><!----></li><li><a href="/doc/trace.html" class="sidebar-item" aria-label="trace"><!--[--><!--]--> trace <!--[--><!--]--></a><!----></li><li><a href="/doc/tt.html" class="sidebar-item" aria-label="tt"><!--[--><!--]--> tt <!--[--><!--]--></a><!----></li><li><a href="/doc/version.html" class="sidebar-item" aria-label="version"><!--[--><!--]--> version <!--[--><!--]--></a><!----></li><li><a href="/doc/vmoption.html" class="sidebar-item" aria-label="vmoption"><!--[--><!--]--> vmoption <!--[--><!--]--></a><!----></li><li><a href="/doc/vmtool.html" class="sidebar-item" aria-label="vmtool"><!--[--><!--]--> vmtool <!--[--><!--]--></a><!----></li><li><a href="/doc/watch.html" class="sidebar-item" aria-label="watch"><!--[--><!--]--> watch <!--[--><!--]--></a><!----></li><!--]--></ul></li><li><a href="/doc/advanced-use.md" class="sidebar-item collapsible" aria-label="其他特性"><!--[--><!--]--> 其他特性 <!--[--><!--]--></a><ul style="display:none;" class="sidebar-item-children"><!--[--><li><a href="/doc/async.html" class="sidebar-item" aria-label="Arthas 后台异步任务"><!--[--><!--]--> Arthas 后台异步任务 <!--[--><!--]--></a><!----></li><li><a href="/doc/save-log.html" class="sidebar-item" aria-label="执行结果存日志"><!--[--><!--]--> 执行结果存日志 <!--[--><!--]--></a><!----></li><li><a href="/doc/docker.html" class="sidebar-item" aria-label="Docker"><!--[--><!--]--> Docker <!--[--><!--]--></a><!----></li><li><a href="/doc/web-console.html" class="sidebar-item" aria-label="Web Console"><!--[--><!--]--> Web Console <!--[--><!--]--></a><!----></li><li><a href="/doc/tunnel.html" class="sidebar-item" aria-label="Arthas Tunnel"><!--[--><!--]--> Arthas Tunnel <!--[--><!--]--></a><!----></li><li><a href="/doc/idea-plugin.html" class="sidebar-item" aria-label="IDEA Plugin"><!--[--><!--]--> IDEA Plugin <!--[--><!--]--></a><!----></li><li><a href="/doc/arthas-properties.html" class="sidebar-item" aria-label="Arthas Properties"><!--[--><!--]--> Arthas Properties <!--[--><!--]--></a><!----></li><li><a href="/doc/agent.html" class="sidebar-item" aria-label="以 Java Agent 的方式启动"><!--[--><!--]--> 以 Java Agent 的方式启动 <!--[--><!--]--></a><!----></li><li><a href="/doc/spring-boot-starter.html" class="sidebar-item" aria-label="Arthas Spring Boot Starter"><!--[--><!--]--> Arthas Spring Boot Starter <!--[--><!--]--></a><!----></li><li><a href="/doc/http-api.html" class="sidebar-item" aria-label="Http API"><!--[--><!--]--> Http API <!--[--><!--]--></a><!----></li><li><a href="/doc/batch-support.html" class="sidebar-item" aria-label="批处理功能"><!--[--><!--]--> 批处理功能 <!--[--><!--]--></a><!----></li><!--]--></ul></li><li><a href="/doc/faq.html" class="sidebar-item" aria-label="FAQ"><!--[--><!--]--> FAQ <!--[--><!--]--></a><!----></li><li><p tabindex="0" class="sidebar-item active collapsible">专家答疑 <span class="down arrow"></span></p><ul style="" class="sidebar-item-children"><!--[--><li><a href="/doc/expert/intro.html" class="sidebar-item" aria-label="无疑 专家智能答疑 介绍"><!--[--><!--]--> 无疑 专家智能答疑 介绍 <!--[--><!--]--></a><!----></li><li><a href="/doc/expert/user-question-history11466.html" class="sidebar-item" aria-label="arthas 有没有在线教程?"><!--[--><!--]--> arthas 有没有在线教程? <!--[--><!--]--></a><!----></li><li><a href="/doc/expert/user-question-history12454.html" class="sidebar-item" aria-label="arthas 怎么查看内存情况?"><!--[--><!--]--> arthas 怎么查看内存情况? <!--[--><!--]--></a><!----></li><li><a href="/doc/expert/user-question-history13507.html" class="sidebar-item" aria-label="arthas查看内存占用大的地方"><!--[--><!--]--> arthas查看内存占用大的地方 <!--[--><!--]--></a><!----></li><li><a href="/doc/expert/user-question-history14832.html" class="sidebar-item" aria-label="arthas启动时内存溢出"><!--[--><!--]--> arthas启动时内存溢出 <!--[--><!--]--></a><!----></li><li><a href="/doc/expert/user-question-history15730.html" class="sidebar-item" aria-label="arthas 观察方法中的某个变量的值"><!--[--><!--]--> arthas 观察方法中的某个变量的值 <!--[--><!--]--></a><!----></li><li><a href="/doc/expert/user-question-history11440.html" class="sidebar-item" aria-label="artahs 怎么使用?"><!--[--><!--]--> artahs 怎么使用? <!--[--><!--]--></a><!----></li><li><a href="/doc/expert/user-question-history11467.html" class="sidebar-item" aria-label="arthas 在线教程在哪?"><!--[--><!--]--> arthas 在线教程在哪? <!--[--><!--]--></a><!----></li><li><a href="/doc/expert/user-question-history12455.html" class="sidebar-item" aria-label="arthas 排查内存泄露的具体方法"><!--[--><!--]--> arthas 排查内存泄露的具体方法 <!--[--><!--]--></a><!----></li><li><a href="/doc/expert/user-question-history13508.html" class="sidebar-item" aria-label="arthas 如何查看内存使用情况"><!--[--><!--]--> arthas 如何查看内存使用情况 <!--[--><!--]--></a><!----></li><li><a href="/doc/expert/user-question-history14833.html" class="sidebar-item" aria-label="Start arthas failed, exception stack trace:com.sun.tools.attach"><!--[--><!--]--> Start arthas failed, exception stack trace:com.sun.tools.attach <!--[--><!--]--></a><!----></li><li><a href="/doc/expert/user-question-history15731.html" class="sidebar-item" aria-label="artahs 过滤方法的阐述"><!--[--><!--]--> artahs 过滤方法的阐述 <!--[--><!--]--></a><!----></li><li><a href="/doc/expert/user-question-history11442.html" class="sidebar-item" aria-label="arthas 介绍一下"><!--[--><!--]--> arthas 介绍一下 <!--[--><!--]--></a><!----></li><li><a href="/doc/expert/user-question-history11468.html" class="sidebar-item" aria-label="arthas 怎么使用?"><!--[--><!--]--> arthas 怎么使用? <!--[--><!--]--></a><!----></li><li><a href="/doc/expert/user-question-history12706.html" class="sidebar-item" aria-label="arthas 火焰图 怎么看?"><!--[--><!--]--> arthas 火焰图 怎么看? <!--[--><!--]--></a><!----></li><li><a href="/doc/expert/user-question-history13509.html" class="sidebar-item" aria-label="通过arthas怎样排查项目中哪个对象泄露了或者占用内存太大"><!--[--><!--]--> 通过arthas怎样排查项目中哪个对象泄露了或者占用内存太大 <!--[--><!--]--></a><!----></li><li><a href="/doc/expert/user-question-history14834.html" class="sidebar-item" aria-label="使用arthas 跟踪进程服务后,进程所占用的文件描述符陡增,且文件描述符不下降"><!--[--><!--]--> 使用arthas 跟踪进程服务后,进程所占用的文件描述符陡增,且文件描述符不下降 <!--[--><!--]--></a><!----></li><li><a href="/doc/expert/user-question-history15735.html" class="sidebar-item" aria-label="arthas报错connect to telnet server error: 127.0.0.1 9999"><!--[--><!--]--> arthas报错connect to telnet server error: 127.0.0.1 9999 <!--[--><!--]--></a><!----></li><li><a href="/doc/expert/user-question-history11443.html" class="sidebar-item" aria-label="arthas 下载和安装"><!--[--><!--]--> arthas 下载和安装 <!--[--><!--]--></a><!----></li><li><a href="/doc/expert/user-question-history11469.html" class="sidebar-item" aria-label="linux的arthas使用教程"><!--[--><!--]--> linux的arthas使用教程 <!--[--><!--]--></a><!----></li><li><a href="/doc/expert/user-question-history12715.html" class="sidebar-item" aria-label="java 如何用arthas 查看 内存 情况?"><!--[--><!--]--> java 如何用arthas 查看 内存 情况? <!--[--><!--]--></a><!----></li><li><a href="/doc/expert/user-question-history13510.html" class="sidebar-item" aria-label="查看实时jvm内存大小"><!--[--><!--]--> 查看实时jvm内存大小 <!--[--><!--]--></a><!----></li><li><a href="/doc/expert/user-question-history14840.html" class="sidebar-item" aria-label="Unsupported class file major version 61 using arthas 3.6.3"><!--[--><!--]--> Unsupported class file major version 61 using arthas 3.6.3 <!--[--><!--]--></a><!----></li><li><a href="/doc/expert/user-question-history15736.html" class="sidebar-item" aria-label="artahs中jad参数"><!--[--><!--]--> artahs中jad参数 <!--[--><!--]--></a><!----></li><li><a href="/doc/expert/user-question-history11444.html" class="sidebar-item" aria-label="arthas 命令解释"><!--[--><!--]--> arthas 命令解释 <!--[--><!--]--></a><!----></li><li><a href="/doc/expert/user-question-history11784.html" class="sidebar-item" aria-label="arthas使用的各类方式有哪些"><!--[--><!--]--> arthas使用的各类方式有哪些 <!--[--><!--]--></a><!----></li><li><a aria-current="page" href="/doc/expert/user-question-history12716.html" class="router-link-active router-link-exact-active router-link-active sidebar-item active" aria-label="arthas 怎么查看堆内存太高"><!--[--><!--]--> arthas 怎么查看堆内存太高 <!--[--><!--]--></a><!----></li><li><a href="/doc/expert/user-question-history13511.html" class="sidebar-item" aria-label="arthas方法运行后查看成员变量"><!--[--><!--]--> arthas方法运行后查看成员变量 <!--[--><!--]--></a><!----></li><li><a href="/doc/expert/user-question-history14843.html" class="sidebar-item" aria-label="arthas 支持jdk 20么"><!--[--><!--]--> arthas 支持jdk 20么 <!--[--><!--]--></a><!----></li><li><a href="/doc/expert/user-question-history15737.html" class="sidebar-item" aria-label="进程停了 arthas也会同步停止么"><!--[--><!--]--> 进程停了 arthas也会同步停止么 <!--[--><!--]--></a><!----></li><li><a href="/doc/expert/user-question-history11450.html" class="sidebar-item" aria-label="arthas 分析thread线程卡住"><!--[--><!--]--> arthas 分析thread线程卡住 <!--[--><!--]--></a><!----></li><li><a href="/doc/expert/user-question-history11795.html" class="sidebar-item" aria-label="使用arthas查看成员变量值具体怎么做"><!--[--><!--]--> 使用arthas查看成员变量值具体怎么做 <!--[--><!--]--></a><!----></li><li><a href="/doc/expert/user-question-history12740.html" class="sidebar-item" aria-label="arthas怎么分析cpu很高"><!--[--><!--]--> arthas怎么分析cpu很高 <!--[--><!--]--></a><!----></li><li><a href="/doc/expert/user-question-history13512.html" class="sidebar-item" aria-label="如何查看java内存增长哪些对象"><!--[--><!--]--> 如何查看java内存增长哪些对象 <!--[--><!--]--></a><!----></li><li><a href="/doc/expert/user-question-history15167.html" class="sidebar-item" aria-label="介绍一下arthas"><!--[--><!--]--> 介绍一下arthas <!--[--><!--]--></a><!----></li><li><a href="/doc/expert/user-question-history15738.html" class="sidebar-item" aria-label="arthas如何查看hashmap的值"><!--[--><!--]--> arthas如何查看hashmap的值 <!--[--><!--]--></a><!----></li><li><a href="/doc/expert/user-question-history11451.html" class="sidebar-item" aria-label="arthas 怎么排查cpu占用过高"><!--[--><!--]--> arthas 怎么排查cpu占用过高 <!--[--><!--]--></a><!----></li><li><a href="/doc/expert/user-question-history11809.html" class="sidebar-item" aria-label="linux下的arthas 具体怎么用?(使用教程)"><!--[--><!--]--> linux下的arthas 具体怎么用?(使用教程) <!--[--><!--]--></a><!----></li><li><a href="/doc/expert/user-question-history12741.html" class="sidebar-item" aria-label="如何使用arthas查看系统哪个地方内存占用过大"><!--[--><!--]--> 如何使用arthas查看系统哪个地方内存占用过大 <!--[--><!--]--></a><!----></li><li><a href="/doc/expert/user-question-history13513.html" class="sidebar-item" aria-label="arthas 监听成员变量值的方法是什么?"><!--[--><!--]--> arthas 监听成员变量值的方法是什么? <!--[--><!--]--></a><!----></li><li><a href="/doc/expert/user-question-history15543.html" class="sidebar-item" aria-label="arthas中tt命令如何查看方法入参的具体命令"><!--[--><!--]--> arthas中tt命令如何查看方法入参的具体命令 <!--[--><!--]--></a><!----></li><li><a href="/doc/expert/user-question-history15739.html" class="sidebar-item" aria-label="arthas可以监听私有方法吗"><!--[--><!--]--> arthas可以监听私有方法吗 <!--[--><!--]--></a><!----></li><li><a href="/doc/expert/user-question-history11452.html" class="sidebar-item" aria-label="arthas 查看方法耗时"><!--[--><!--]--> arthas 查看方法耗时 <!--[--><!--]--></a><!----></li><li><a href="/doc/expert/user-question-history11810.html" class="sidebar-item" aria-label="arthas查看方法耗时"><!--[--><!--]--> arthas查看方法耗时 <!--[--><!--]--></a><!----></li><li><a href="/doc/expert/user-question-history13448.html" class="sidebar-item" aria-label="如何使用arthas分析慢查询"><!--[--><!--]--> 如何使用arthas分析慢查询 <!--[--><!--]--></a><!----></li><li><a href="/doc/expert/user-question-history13522.html" class="sidebar-item" aria-label="Connect to telnet server error: 127.0.0.1 3658"><!--[--><!--]--> Connect to telnet server error: 127.0.0.1 3658 <!--[--><!--]--></a><!----></li><li><a href="/doc/expert/user-question-history15726.html" class="sidebar-item" aria-label="arthas 如何查询static变量"><!--[--><!--]--> arthas 如何查询static变量 <!--[--><!--]--></a><!----></li><li><a href="/doc/expert/user-question-history15740.html" class="sidebar-item" aria-label="arthas 分析内存身高的方法"><!--[--><!--]--> arthas 分析内存身高的方法 <!--[--><!--]--></a><!----></li><li><a href="/doc/expert/user-question-history11453.html" class="sidebar-item" aria-label="arthas 怎样查看方法耗时"><!--[--><!--]--> arthas 怎样查看方法耗时 <!--[--><!--]--></a><!----></li><li><a href="/doc/expert/user-question-history11814.html" class="sidebar-item" aria-label="arthas 怎么排查内存泄漏"><!--[--><!--]--> arthas 怎么排查内存泄漏 <!--[--><!--]--></a><!----></li><li><a href="/doc/expert/user-question-history13504.html" class="sidebar-item" aria-label="如何查看实时jvm内存大小占用"><!--[--><!--]--> 如何查看实时jvm内存大小占用 <!--[--><!--]--></a><!----></li><li><a href="/doc/expert/user-question-history14763.html" class="sidebar-item" aria-label="利用Arthas排查NoSuchMethodError"><!--[--><!--]--> 利用Arthas排查NoSuchMethodError <!--[--><!--]--></a><!----></li><li><a href="/doc/expert/user-question-history15728.html" class="sidebar-item" aria-label="arthas 获取成员变量"><!--[--><!--]--> arthas 获取成员变量 <!--[--><!--]--></a><!----></li><li><a href="/doc/expert/user-question-history11454.html" class="sidebar-item" aria-label="arthas 常用命令介绍"><!--[--><!--]--> arthas 常用命令介绍 <!--[--><!--]--></a><!----></li><li><a href="/doc/expert/user-question-history12453.html" class="sidebar-item" aria-label="artahs 怎么查看内存情况?"><!--[--><!--]--> artahs 怎么查看内存情况? <!--[--><!--]--></a><!----></li><li><a href="/doc/expert/user-question-history13506.html" class="sidebar-item" aria-label="如何查看java内存增长哪些对象"><!--[--><!--]--> 如何查看java内存增长哪些对象 <!--[--><!--]--></a><!----></li><li><a href="/doc/expert/user-question-history14831.html" class="sidebar-item" aria-label="Dashboard 命令cpuUsage长期在90%左右"><!--[--><!--]--> Dashboard 命令cpuUsage长期在90%左右 <!--[--><!--]--></a><!----></li><li><a href="/doc/expert/user-question-history15729.html" class="sidebar-item" aria-label="arthas 怎么查看变量内容"><!--[--><!--]--> arthas 怎么查看变量内容 <!--[--><!--]--></a><!----></li><!--]--></ul></li><li><a class="external-link sidebar-item" href="https://github.com/alibaba/arthas/issues?q=label%3Auser-case" rel="noopener noreferrer" target="_blank" aria-label="用户案例"><!--[--><!--]--><span>用户案例</span><span><svg class="external-link-icon" xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewbox="0 0 100 100" width="15" height="15"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path><polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg><span class="external-link-icon-sr-only">在新窗口打开</span></span><!--[--><!--]--></a><!----></li><li><a class="external-link sidebar-item" href="https://github.com/alibaba/arthas" rel="noopener noreferrer" target="_blank" aria-label="Star me at github"><!--[--><!--]--><span>Star me at github</span><span><svg class="external-link-icon" xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewbox="0 0 100 100" width="15" height="15"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path><polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg><span class="external-link-icon-sr-only">在新窗口打开</span></span><!--[--><!--]--></a><!----></li><li><a class="external-link sidebar-item" href="https://github.com/alibaba/arthas/blob/master/CONTRIBUTING.md" rel="noopener noreferrer" target="_blank" aria-label="编译调试/参与贡献"><!--[--><!--]--><span>编译调试/参与贡献</span><span><svg class="external-link-icon" xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewbox="0 0 100 100" width="15" height="15"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path><polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg><span class="external-link-icon-sr-only">在新窗口打开</span></span><!--[--><!--]--></a><!----></li><li><a class="external-link sidebar-item" href="https://github.com/alibaba/arthas/releases" rel="noopener noreferrer" target="_blank" aria-label="Release Notes"><!--[--><!--]--><span>Release Notes</span><span><svg class="external-link-icon" xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewbox="0 0 100 100" width="15" height="15"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path><polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg><span class="external-link-icon-sr-only">在新窗口打开</span></span><!--[--><!--]--></a><!----></li><li><a href="/doc/contact-us.md" class="sidebar-item" aria-label="QQ 群/钉钉群"><!--[--><!--]--> QQ 群/钉钉群 <!--[--><!--]--></a><!----></li><!--]--></ul></li><!--]--></ul><!--[--><!--]--></aside><!--]--><!--[--><main class="page" data-v-fdd717e0><!--[--><!--]--><div class="right-menu-padding theme-default-content" data-v-fdd717e0><!--[--><!--]--><div class="right-menu-wrapper" data-v-fdd717e0 data-v-64666cd5><div class="right-menu-margin" data-v-64666cd5><div class="right-menu-title" data-v-64666cd5>目录</div><div class="right-menu-content" data-v-64666cd5><!--[--><!--]--></div></div></div><div data-v-fdd717e0><h2 id="用户问题" tabindex="-1"><a class="header-anchor" href="#用户问题" aria-hidden="true">#</a> 用户问题 </h2><p>arthas 怎么查看堆内存太高</p><hr><h2 id="专家官方解答" tabindex="-1"><a class="header-anchor" href="#专家官方解答" aria-hidden="true">#</a> 专家官方解答 </h2><p>为了解决&quot;arthas arthas 怎么查看堆内存太高&quot;的问题,我们可以按照以下步骤操作,基于已有的知识内容:</p><h3 id="分析原因" tabindex="-1"><a class="header-anchor" href="#分析原因" aria-hidden="true">#</a> 分析原因</h3><p>首先需要明确“堆内存太高”通常意味着Java应用程序可能存在内存泄漏或者分配给JVM的堆内存不足。使用Arthas可以帮助我们诊断这一问题。</p><h3 id="使用arthas进行排查" tabindex="-1"><a class="header-anchor" href="#使用arthas进行排查" aria-hidden="true">#</a> 使用Arthas进行排查</h3><h4 id="步骤1-检查当前jvm内存状态" tabindex="-1"><a class="header-anchor" href="#步骤1-检查当前jvm内存状态" aria-hidden="true">#</a> 步骤1检查当前JVM内存状态</h4><ul><li><strong>命令</strong><code>memory</code></li><li><strong>目的</strong>此命令会展示当前JVM各内存区域的使用情况如堆内存(heap)、老年代(g1_old_gen)、年轻代的各个部分等。通过观察这些数据,可以初步判断是哪一部分内存占用过高。</li></ul><h4 id="步骤2-监控内存变化" tabindex="-1"><a class="header-anchor" href="#步骤2-监控内存变化" aria-hidden="true">#</a> 步骤2监控内存变化</h4><ul><li><strong>操作</strong>:多次执行<code>memory</code>命令并记录结果。</li><li><strong>目的</strong>:通过比较不同时间点的内存使用情况,识别是否有特定区域的内存持续增长,这通常是内存泄漏的迹象。</li></ul><h4 id="步骤3-生成堆内存快照" tabindex="-1"><a class="header-anchor" href="#步骤3-生成堆内存快照" aria-hidden="true">#</a> 步骤3生成堆内存快照</h4><ul><li><strong>命令</strong><code>heapdump /path/to/dumpfile.hprof</code></li><li><strong>目的</strong>:创建堆内存的完整快照,以便离线分析。如果怀疑存在内存泄漏,应间隔一段时间重复执行该命令,获取多个快照进行对比。</li></ul><h4 id="步骤4-分析堆内存快照" tabindex="-1"><a class="header-anchor" href="#步骤4-分析堆内存快照" aria-hidden="true">#</a> 步骤4分析堆内存快照</h4><ul><li><strong>工具</strong>使用Eclipse Memory Analyzer (MAT)或其他内存分析工具。</li><li><strong>步骤</strong>:通过比较不同时间点的堆快照,查找那些内存占用持续增加的对象或类,这些往往是内存泄漏的源头。</li></ul><h3 id="解释" tabindex="-1"><a class="header-anchor" href="#解释" aria-hidden="true">#</a> 解释</h3><ul><li><strong>为何执行这些步骤</strong>通过监视内存使用趋势和分析堆内存快照可以具体定位到导致堆内存过高的对象或代码段进而采取相应的优化措施比如修改代码以减少不必要的内存占用或者调整JVM参数增大堆内存大小。</li></ul><h3 id="注意" tabindex="-1"><a class="header-anchor" href="#注意" aria-hidden="true">#</a> 注意</h3><p>如果在尝试启动Arthas时遇到内存溢出错误确保目标应用有足够的内存分配可能需要调整其启动参数以增加可用内存。</p><p>综上所述使用Arthas的<code>memory</code>命令和<code>heapdump</code>功能是诊断及解决堆内存过高的有效手段,结合专业的内存分析工具,可以进一步细化问题并找到解决方案。</p><!----><h2 id="参考链接" tabindex="-1"><a class="header-anchor" href="#参考链接" aria-hidden="true">#</a> 参考链接 </h2><p>*专家经验Arthas 排查内存泄露的方法</p><p>*专家经验arthas启动时内存溢出</p><p>*专家经验Java 堆内存说明</p><!----><h2 id="答疑服务说明" tabindex="-1"><a class="header-anchor" href="#答疑服务说明" aria-hidden="true">#</a> <!----></h2><p>本内容经由技术专家审阅的用户问答的镜像生成,我们提供了<!---->,在<!---->。您也可以访问 : <a href="https://answer.opensource.alibaba.com/docs/intro" target="_blank" rel="noopener noreferrer">全局专家答疑<span><svg class="external-link-icon" xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewbox="0 0 100 100" width="15" height="15"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path><polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg><span class="external-link-icon-sr-only">在新窗口打开</span></span></a> 。 咨询其他产品的的问题</p><h3 id="反馈" tabindex="-1"><a class="header-anchor" href="#反馈" aria-hidden="true">#</a> 反馈</h3><p>如问答有错漏,欢迎点:<a href="https://ai.nacos.io/user/feedbackByEnhancerGradePOJOID?enhancerGradePOJOId=16064" target="_blank" rel="noopener noreferrer">差评<span><svg class="external-link-icon" xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewbox="0 0 100 100" width="15" height="15"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path><polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg><span class="external-link-icon-sr-only">在新窗口打开</span></span></a>给我们反馈。</p></div><!--[--><!--]--></div><footer class="page-meta right-menu-padding" data-v-fdd717e0><div class="meta-item edit-link"><a class="external-link meta-item-label" href="https://github.com/alibaba/arthas/edit/master/site/docs/doc/expert/user-question-history12716.md" rel="noopener noreferrer" target="_blank" aria-label="在 GitHub 上编辑此页"><!--[--><!--]--><span>在 GitHub 上编辑此页</span><span><svg class="external-link-icon" xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewbox="0 0 100 100" width="15" height="15"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path><polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg><span class="external-link-icon-sr-only">在新窗口打开</span></span><!--[--><!--]--></a></div><div class="meta-item last-updated"><span class="meta-item-label">Last Updated: </span><!----></div><div class="meta-item contributors"><span class="meta-item-label">贡献者: </span><span class="meta-item-info"><!--[--><!--[--><span class="contributor" title="email: answeropensource@alibabacloud.com">answeropensource</span><!--[-->, <!--]--><!--]--><!--[--><span class="contributor" title="email: hengyunabc@users.noreply.github.com">hengyunabc</span><!----><!--]--><!--]--></span></div></footer><nav class="page-nav right-menu-padding" data-v-fdd717e0><p class="inner"><span class="prev"><a href="/doc/expert/user-question-history11784.html" class="" aria-label="arthas使用的各类方式有哪些"><!--[--><!--]--> arthas使用的各类方式有哪些 <!--[--><!--]--></a></span><span class="next"><a href="/doc/expert/user-question-history13511.html" class="" aria-label="arthas方法运行后查看成员变量"><!--[--><!--]--> arthas方法运行后查看成员变量 <!--[--><!--]--></a></span></p></nav><!--[--><!--]--></main><!--]--></div><!----><!--]--></div>
<script type="module" src="/assets/app.977e81c1.js" defer></script>
</body>
</html>