| <!DOCTYPE html> |
| <html lang="zh-CN" data-theme="light"> |
| <head> |
| <meta charset="utf-8" /> |
| <meta name="viewport" content="width=device-width,initial-scale=1" /> |
| <meta name="generator" content="VuePress 2.0.0-beta.61" /> |
| <meta name="theme" content="VuePress Theme Hope" /> |
| <link rel="alternate" hreflang="en-us" href="https://iotdb.apache.org/UserGuide/V1.0.x/Monitor-Alert/Metric-Tool.html"><meta property="og:url" content="https://iotdb.apache.org/zh/UserGuide/V1.0.x/Monitor-Alert/Metric-Tool.html"><meta property="og:site_name" content="IoTDB Website"><meta property="og:description" content="在 IoTDB 的运行过程中,我们希望对 IoTDB 的状态进行观测,以便于排查系统问题或者及时发现系统潜在的风险,能够反映系统运行状态的一系列指标 就是系统监控指标。 1. 什么场景下会使用到监控? 那么什么时候会用到监控框架呢?下面列举一些常见的场景。 1. 系统变慢了 系统变慢几乎是最常见也最头疼的问题,这时候我们需要尽可能多的信息来帮助我们找到..."><meta property="og:type" content="article"><meta property="og:locale" content="zh-CN"><meta property="og:locale:alternate" content="en-US"><script type="application/ld+json">{"@context":"https://schema.org","@type":"Article","headline":"","image":[""],"dateModified":null,"author":[]}</script><link rel="icon" href="/favicon.ico"><meta name="Description" content="Apache IoTDB: Time Series Database for IoT"><meta name="Keywords" content="TSDB, time series, time series database, IoTDB, IoT database, IoT data management,时序数据库, 时间序列管理, IoTDB, 物联网数据库, 实时数据库, 物联网数据管理, 物联网数据"><meta name="baidu-site-verification" content="wfKETzB3OT"><meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo"><title>IoTDB Website</title><meta name="description" content="在 IoTDB 的运行过程中,我们希望对 IoTDB 的状态进行观测,以便于排查系统问题或者及时发现系统潜在的风险,能够反映系统运行状态的一系列指标 就是系统监控指标。 1. 什么场景下会使用到监控? 那么什么时候会用到监控框架呢?下面列举一些常见的场景。 1. 系统变慢了 系统变慢几乎是最常见也最头疼的问题,这时候我们需要尽可能多的信息来帮助我们找到..."> |
| <style> |
| :root { |
| --bg-color: #fff; |
| } |
| |
| html[data-theme="dark"] { |
| --bg-color: #1d1e1f; |
| } |
| |
| html, |
| body { |
| background: var(--bg-color); |
| } |
| </style> |
| <script> |
| const userMode = localStorage.getItem("vuepress-theme-hope-scheme"); |
| const systemDarkMode = |
| window.matchMedia && |
| window.matchMedia("(prefers-color-scheme: dark)").matches; |
| |
| if (userMode === "dark" || (userMode !== "light" && systemDarkMode)) { |
| document.documentElement.setAttribute("data-theme", "dark"); |
| } |
| </script> |
| <link rel="preload" href="/assets/style-13611a3c.css" as="style"><link rel="stylesheet" href="/assets/style-13611a3c.css"> |
| <link rel="modulepreload" href="/assets/app-f2ec2f8e.js"><link rel="modulepreload" href="/assets/framework-5638dcb2.js"><link rel="modulepreload" href="/assets/Metric-Tool.html-6a446146.js"><link rel="modulepreload" href="/assets/Metric-Tool.html-c724bd56.js"> |
| </head> |
| <body> |
| <div id="app"><!--[--><!--[--><!--[--><span tabindex="-1"></span><a href="#main-content" class="skip-link sr-only">跳至主要內容</a><!--]--><!--[--><div class="theme-container has-toc"><!--[--><header class="navbar hide-icon" id="navbar"><div class="navbar-start"><button class="toggle-sidebar-button" title="Toggle Sidebar"><span class="icon"></span></button><!--[--><!----><!--]--><a href="/zh/" class="brand"><img class="logo" src="/logo.png" alt="IoTDB Website"><!----><span class="site-name hide-in-pad">IoTDB Website</span></a><!--[--><!----><!--]--></div><div class="navbar-center"><!--[--><!----><!--]--><!--[--><!----><!--]--></div><div class="navbar-end"><!--[--><!----><!--]--><div id="docsearch-container"></div><nav class="nav-links"><div class="nav-item hide-in-mobile"><div class="dropdown-wrapper"><button class="dropdown-title" type="button" aria-label="文档"><span class="title"><!---->文档</span><span class="arrow"></span><ul class="nav-dropdown"><li class="dropdown-item"><a href="/zh/UserGuide/Master/QuickStart/QuickStart.html" class="nav-link" aria-label="latest"><!---->latest<!----></a></li><li class="dropdown-item"><a href="/zh/UserGuide/V1.1.x/QuickStart/QuickStart.html" class="nav-link" aria-label="v1.1.x"><!---->v1.1.x<!----></a></li><li class="dropdown-item"><a href="/zh/UserGuide/V1.0.x/QuickStart/QuickStart.html" class="nav-link" aria-label="v1.0.x"><!---->v1.0.x<!----></a></li><li class="dropdown-item"><a href="/zh/UserGuide/V0.13.x/QuickStart/QuickStart.html" class="nav-link" aria-label="v0.13.x"><!---->v0.13.x<!----></a></li></ul></button></div></div><div class="nav-item hide-in-mobile"><a href="https://cwiki.apache.org/confluence/pages/viewpage.action?pageId=177051872" rel="noopener noreferrer" target="_blank" aria-label="系统设计" class="nav-link"><!---->系统设计<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">open in new window</span></span><!----></a></div><div class="nav-item hide-in-mobile"><a href="/zh/Download/" class="nav-link" aria-label="下载"><!---->下载<!----></a></div><div class="nav-item hide-in-mobile"><div class="dropdown-wrapper"><button class="dropdown-title" type="button" aria-label="社区"><span class="title"><!---->社区</span><span class="arrow"></span><ul class="nav-dropdown"><li class="dropdown-item"><a href="/zh/Community/About.html" class="nav-link" aria-label="关于社区"><!---->关于社区<!----></a></li><li class="dropdown-item"><a href="https://cwiki.apache.org/confluence/display/iotdb" rel="noopener noreferrer" target="_blank" aria-label="Wiki" class="nav-link"><!---->Wiki<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">open in new window</span></span><!----></a></li><li class="dropdown-item"><a href="/zh/Community/Community-Project-Committers.html" class="nav-link" aria-label="开发人员"><!---->开发人员<!----></a></li><li class="dropdown-item"><a href="/zh/Community/Community-Powered-By.html" class="nav-link" aria-label="技术支持"><!---->技术支持<!----></a></li><li class="dropdown-item"><a href="/Community/Materials.html" class="nav-link" aria-label="活动与报告"><!---->活动与报告<!----></a></li><li class="dropdown-item"><a href="/zh/Community/Feedback.html" class="nav-link" aria-label="交流与反馈"><!---->交流与反馈<!----></a></li></ul></button></div></div><div class="nav-item hide-in-mobile"><div class="dropdown-wrapper"><button class="dropdown-title" type="button" aria-label="开发"><span class="title"><!---->开发</span><span class="arrow"></span><ul class="nav-dropdown"><li class="dropdown-item"><a href="/zh/Development/VoteRelease.html" class="nav-link" aria-label="如何投票"><!---->如何投票<!----></a></li><li class="dropdown-item"><a href="/zh/Development/HowToCommit.html" class="nav-link" aria-label="如何提交代码"><!---->如何提交代码<!----></a></li><li class="dropdown-item"><a href="/zh/Development/HowToJoin.html" class="nav-link" aria-label="成为Contributor"><!---->成为Contributor<!----></a></li><li class="dropdown-item"><a href="/zh/Development/Committer.html" class="nav-link" aria-label="成为Committer"><!---->成为Committer<!----></a></li><li class="dropdown-item"><a href="/zh/Development/ContributeGuide.html" class="nav-link" aria-label="项目开发指南"><!---->项目开发指南<!----></a></li><li class="dropdown-item"><a href="/zh/Development/HowtoContributeCode.html" class="nav-link" aria-label="技术贡献指南"><!---->技术贡献指南<!----></a></li><li class="dropdown-item"><a href="/zh/Development/format-changelist.html" class="nav-link" aria-label="TsFile的更改列表"><!---->TsFile的更改列表<!----></a></li><li class="dropdown-item"><a href="/zh/Development/rpc-changelist.html" class="nav-link" aria-label="RPC变更清单"><!---->RPC变更清单<!----></a></li></ul></button></div></div><div class="nav-item hide-in-mobile"><div class="dropdown-wrapper"><button class="dropdown-title" type="button" aria-label="ASF"><span class="title"><!---->ASF</span><span class="arrow"></span><ul class="nav-dropdown"><li class="dropdown-item"><a href="https://www.apache.org/" rel="noopener noreferrer" target="_blank" aria-label="基金会" class="nav-link"><!---->基金会<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">open in new window</span></span><!----></a></li><li class="dropdown-item"><a href="https://www.apache.org/licenses/" rel="noopener noreferrer" target="_blank" aria-label="许可证" class="nav-link"><!---->许可证<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">open in new window</span></span><!----></a></li><li class="dropdown-item"><a href="https://www.apache.org/security/" rel="noopener noreferrer" target="_blank" aria-label="安全" class="nav-link"><!---->安全<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">open in new window</span></span><!----></a></li><li class="dropdown-item"><a href="https://www.apache.org/foundation/sponsorship.html" rel="noopener noreferrer" target="_blank" aria-label="赞助" class="nav-link"><!---->赞助<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">open in new window</span></span><!----></a></li><li class="dropdown-item"><a href="https://www.apache.org/foundation/thanks.html" rel="noopener noreferrer" target="_blank" aria-label="致谢" class="nav-link"><!---->致谢<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">open in new window</span></span><!----></a></li><li class="dropdown-item"><a href="https://www.apache.org/events/current-event" rel="noopener noreferrer" target="_blank" aria-label="活动" class="nav-link"><!---->活动<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">open in new window</span></span><!----></a></li></ul></button></div></div></nav><div class="nav-item"><div class="dropdown-wrapper i18n-dropdown"><button class="dropdown-title" type="button" aria-label="选择语言"><!--[--><svg xmlns="http://www.w3.org/2000/svg" class="icon i18n-icon" viewBox="0 0 1024 1024" fill="currentColor" aria-label="i18n icon" style="width:1rem;height:1rem;vertical-align:middle;"><path d="M379.392 460.8 494.08 575.488l-42.496 102.4L307.2 532.48 138.24 701.44l-71.68-72.704L234.496 460.8l-45.056-45.056c-27.136-27.136-51.2-66.56-66.56-108.544h112.64c7.68 14.336 16.896 27.136 26.112 35.84l45.568 46.08 45.056-45.056C382.976 312.32 409.6 247.808 409.6 204.8H0V102.4h256V0h102.4v102.4h256v102.4H512c0 70.144-37.888 161.28-87.04 210.944L378.88 460.8zM576 870.4 512 1024H409.6l256-614.4H768l256 614.4H921.6l-64-153.6H576zM618.496 768h196.608L716.8 532.48 618.496 768z"></path></svg><!--]--><span class="arrow"></span><ul class="nav-dropdown"><li class="dropdown-item"><a href="/UserGuide/V1.0.x/Monitor-Alert/Metric-Tool.html" class="nav-link" aria-label="English"><!---->English<!----></a></li><li class="dropdown-item"><a aria-current="page" href="/zh/UserGuide/V1.0.x/Monitor-Alert/Metric-Tool.html" class="router-link-active router-link-exact-active nav-link active" aria-label="简体中文"><!---->简体中文<!----></a></li></ul></button></div></div><div class="nav-item hide-in-mobile"><button id="appearance-switch"><svg xmlns="http://www.w3.org/2000/svg" class="icon auto-icon" viewBox="0 0 1024 1024" fill="currentColor" aria-label="auto icon" style="display:block;"><path d="M512 992C246.92 992 32 777.08 32 512S246.92 32 512 32s480 214.92 480 480-214.92 480-480 480zm0-840c-198.78 0-360 161.22-360 360 0 198.84 161.22 360 360 360s360-161.16 360-360c0-198.78-161.22-360-360-360zm0 660V212c165.72 0 300 134.34 300 300 0 165.72-134.28 300-300 300z"></path></svg><svg xmlns="http://www.w3.org/2000/svg" class="icon dark-icon" viewBox="0 0 1024 1024" fill="currentColor" aria-label="dark icon" style="display:none;"><path d="M524.8 938.667h-4.267a439.893 439.893 0 0 1-313.173-134.4 446.293 446.293 0 0 1-11.093-597.334A432.213 432.213 0 0 1 366.933 90.027a42.667 42.667 0 0 1 45.227 9.386 42.667 42.667 0 0 1 10.24 42.667 358.4 358.4 0 0 0 82.773 375.893 361.387 361.387 0 0 0 376.747 82.774 42.667 42.667 0 0 1 54.187 55.04 433.493 433.493 0 0 1-99.84 154.88 438.613 438.613 0 0 1-311.467 128z"></path></svg><svg xmlns="http://www.w3.org/2000/svg" class="icon light-icon" viewBox="0 0 1024 1024" fill="currentColor" aria-label="light icon" style="display:none;"><path d="M952 552h-80a40 40 0 0 1 0-80h80a40 40 0 0 1 0 80zM801.88 280.08a41 41 0 0 1-57.96-57.96l57.96-58a41.04 41.04 0 0 1 58 58l-58 57.96zM512 752a240 240 0 1 1 0-480 240 240 0 0 1 0 480zm0-560a40 40 0 0 1-40-40V72a40 40 0 0 1 80 0v80a40 40 0 0 1-40 40zm-289.88 88.08-58-57.96a41.04 41.04 0 0 1 58-58l57.96 58a41 41 0 0 1-57.96 57.96zM192 512a40 40 0 0 1-40 40H72a40 40 0 0 1 0-80h80a40 40 0 0 1 40 40zm30.12 231.92a41 41 0 0 1 57.96 57.96l-57.96 58a41.04 41.04 0 0 1-58-58l58-57.96zM512 832a40 40 0 0 1 40 40v80a40 40 0 0 1-80 0v-80a40 40 0 0 1 40-40zm289.88-88.08 58 57.96a41.04 41.04 0 0 1-58 58l-57.96-58a41 41 0 0 1 57.96-57.96z"></path></svg></button></div><div class="nav-item"><a class="repo-link" href="https://github.com/apache/iotdb" target="_blank" rel="noopener noreferrer" aria-label="GitHub"><svg xmlns="http://www.w3.org/2000/svg" class="icon github-icon" viewBox="0 0 1024 1024" fill="currentColor" aria-label="github icon" style="width:1.25rem;height:1.25rem;vertical-align:middle;"><path d="M511.957 21.333C241.024 21.333 21.333 240.981 21.333 512c0 216.832 140.544 400.725 335.574 465.664 24.49 4.395 32.256-10.07 32.256-23.083 0-11.69.256-44.245 0-85.205-136.448 29.61-164.736-64.64-164.736-64.64-22.315-56.704-54.4-71.765-54.4-71.765-44.587-30.464 3.285-29.824 3.285-29.824 49.195 3.413 75.179 50.517 75.179 50.517 43.776 75.008 114.816 53.333 142.762 40.79 4.523-31.66 17.152-53.377 31.19-65.537-108.971-12.458-223.488-54.485-223.488-242.602 0-53.547 19.114-97.323 50.517-131.67-5.035-12.33-21.93-62.293 4.779-129.834 0 0 41.258-13.184 134.912 50.346a469.803 469.803 0 0 1 122.88-16.554c41.642.213 83.626 5.632 122.88 16.554 93.653-63.488 134.784-50.346 134.784-50.346 26.752 67.541 9.898 117.504 4.864 129.834 31.402 34.347 50.474 78.123 50.474 131.67 0 188.586-114.73 230.016-224.042 242.09 17.578 15.232 33.578 44.672 33.578 90.454v135.85c0 13.142 7.936 27.606 32.854 22.87C862.25 912.597 1002.667 728.747 1002.667 512c0-271.019-219.648-490.667-490.71-490.667z"></path></svg></a></div><!--[--><!----><!--]--><button class="toggle-navbar-button" aria-label="Toggle Navbar" aria-expanded="false" aria-controls="nav-screen"><span class="button-container"><span class="button-top"></span><span class="button-middle"></span><span class="button-bottom"></span></span></button></div></header><!----><!--]--><!----><div class="toggle-sidebar-wrapper"><span class="arrow start"></span></div><aside class="sidebar" id="sidebar"><!--[--><!----><!--]--><ul class="sidebar-links"><li><section class="sidebar-group"><p class="sidebar-heading"><!----><span class="title">IoTDB用户手册 (V1.0.x)</span><!----></p><ul class="sidebar-links"></ul></section></li><li><section class="sidebar-group"><button class="sidebar-heading clickable"><!----><span class="title">关于IoTDB</span><span class="arrow end"></span></button><!----></section></li><li><section class="sidebar-group"><button class="sidebar-heading clickable"><!----><span class="title">快速上手</span><span class="arrow end"></span></button><!----></section></li><li><section class="sidebar-group"><button class="sidebar-heading clickable"><!----><span class="title">数据模式与概念</span><span class="arrow end"></span></button><!----></section></li><li><section class="sidebar-group"><button class="sidebar-heading clickable"><!----><span class="title">语法约定</span><span class="arrow end"></span></button><!----></section></li><li><section class="sidebar-group"><button class="sidebar-heading clickable"><!----><span class="title">应用编程接口</span><span class="arrow end"></span></button><!----></section></li><li><section class="sidebar-group"><button class="sidebar-heading clickable"><!----><span class="title">元数据操作</span><span class="arrow end"></span></button><!----></section></li><li><section class="sidebar-group"><button class="sidebar-heading clickable"><!----><span class="title">数据写入(数据更新)</span><span class="arrow end"></span></button><!----></section></li><li><section class="sidebar-group"><button class="sidebar-heading clickable"><!----><span class="title">数据删除</span><span class="arrow end"></span></button><!----></section></li><li><section class="sidebar-group"><button class="sidebar-heading clickable"><!----><span class="title">数据查询</span><span class="arrow end"></span></button><!----></section></li><li><section class="sidebar-group"><button class="sidebar-heading clickable"><!----><span class="title">运算符和函数</span><span class="arrow end"></span></button><!----></section></li><li><section class="sidebar-group"><button class="sidebar-heading clickable"><!----><span class="title">触发器</span><span class="arrow end"></span></button><!----></section></li><li><section class="sidebar-group"><button class="sidebar-heading clickable active"><!----><span class="title">监控告警</span><span class="arrow down"></span></button><ul class="sidebar-links"><li><!--[--><a aria-current="page" href="/zh/UserGuide/V1.0.x/Monitor-Alert/Metric-Tool.html" class="router-link-active router-link-exact-active nav-link active sidebar-link sidebar-page active" aria-label="监控工具"><!---->监控工具<!----></a><ul class="sidebar-sub-headers"><li class="sidebar-sub-header"><a aria-current="page" href="/zh/UserGuide/V1.0.x/Monitor-Alert/Metric-Tool.html#_1-什么场景下会使用到监控" class="router-link-active router-link-exact-active nav-link sidebar-link heading" aria-label="1. 什么场景下会使用到监控?"><!---->1. 什么场景下会使用到监控?<!----></a><ul class="sidebar-sub-headers"></ul></li><li class="sidebar-sub-header"><a aria-current="page" href="/zh/UserGuide/V1.0.x/Monitor-Alert/Metric-Tool.html#_2-什么人需要使用监控" class="router-link-active router-link-exact-active nav-link sidebar-link heading" aria-label="2. 什么人需要使用监控?"><!---->2. 什么人需要使用监控?<!----></a><ul class="sidebar-sub-headers"></ul></li><li class="sidebar-sub-header"><a aria-current="page" href="/zh/UserGuide/V1.0.x/Monitor-Alert/Metric-Tool.html#_3-什么是监控指标" class="router-link-active router-link-exact-active nav-link sidebar-link heading" aria-label="3. 什么是监控指标?"><!---->3. 什么是监控指标?<!----></a><ul class="sidebar-sub-headers"><li class="sidebar-sub-header"><a aria-current="page" href="/zh/UserGuide/V1.0.x/Monitor-Alert/Metric-Tool.html#_3-1-监控指标名词解释" class="router-link-active router-link-exact-active nav-link sidebar-link heading" aria-label="3.1. 监控指标名词解释"><!---->3.1. 监控指标名词解释<!----></a><ul class="sidebar-sub-headers"></ul></li><li class="sidebar-sub-header"><a aria-current="page" href="/zh/UserGuide/V1.0.x/Monitor-Alert/Metric-Tool.html#_3-2-监控指标对外获取数据格式" class="router-link-active router-link-exact-active nav-link sidebar-link heading" aria-label="3.2. 监控指标对外获取数据格式"><!---->3.2. 监控指标对外获取数据格式<!----></a><ul class="sidebar-sub-headers"></ul></li></ul></li><li class="sidebar-sub-header"><a aria-current="page" href="/zh/UserGuide/V1.0.x/Monitor-Alert/Metric-Tool.html#_4-监控指标有哪些" class="router-link-active router-link-exact-active nav-link sidebar-link heading" aria-label="4. 监控指标有哪些?"><!---->4. 监控指标有哪些?<!----></a><ul class="sidebar-sub-headers"><li class="sidebar-sub-header"><a aria-current="page" href="/zh/UserGuide/V1.0.x/Monitor-Alert/Metric-Tool.html#_4-1-core-级别监控指标" class="router-link-active router-link-exact-active nav-link sidebar-link heading" aria-label="4.1. Core 级别监控指标"><!---->4.1. Core 级别监控指标<!----></a><ul class="sidebar-sub-headers"></ul></li><li class="sidebar-sub-header"><a aria-current="page" href="/zh/UserGuide/V1.0.x/Monitor-Alert/Metric-Tool.html#_4-2-important-级别监控指标" class="router-link-active router-link-exact-active nav-link sidebar-link heading" aria-label="4.2. Important 级别监控指标"><!---->4.2. Important 级别监控指标<!----></a><ul class="sidebar-sub-headers"></ul></li><li class="sidebar-sub-header"><a aria-current="page" href="/zh/UserGuide/V1.0.x/Monitor-Alert/Metric-Tool.html#_4-3-normal-级别监控指标" class="router-link-active router-link-exact-active nav-link sidebar-link heading" aria-label="4.3. Normal 级别监控指标"><!---->4.3. Normal 级别监控指标<!----></a><ul class="sidebar-sub-headers"></ul></li><li class="sidebar-sub-header"><a aria-current="page" href="/zh/UserGuide/V1.0.x/Monitor-Alert/Metric-Tool.html#_4-4-all-级别监控指标" class="router-link-active router-link-exact-active nav-link sidebar-link heading" aria-label="4.4. All 级别监控指标"><!---->4.4. All 级别监控指标<!----></a><ul class="sidebar-sub-headers"></ul></li></ul></li><li class="sidebar-sub-header"><a aria-current="page" href="/zh/UserGuide/V1.0.x/Monitor-Alert/Metric-Tool.html#_5-怎样获取这些系统监控" class="router-link-active router-link-exact-active nav-link sidebar-link heading" aria-label="5. 怎样获取这些系统监控?"><!---->5. 怎样获取这些系统监控?<!----></a><ul class="sidebar-sub-headers"><li class="sidebar-sub-header"><a aria-current="page" href="/zh/UserGuide/V1.0.x/Monitor-Alert/Metric-Tool.html#_5-1-使用-jmx-方式" class="router-link-active router-link-exact-active nav-link sidebar-link heading" aria-label="5.1. 使用 JMX 方式"><!---->5.1. 使用 JMX 方式<!----></a><ul class="sidebar-sub-headers"></ul></li><li class="sidebar-sub-header"><a aria-current="page" href="/zh/UserGuide/V1.0.x/Monitor-Alert/Metric-Tool.html#_5-2-使用-prometheus-方式" class="router-link-active router-link-exact-active nav-link sidebar-link heading" aria-label="5.2. 使用 Prometheus 方式"><!---->5.2. 使用 Prometheus 方式<!----></a><ul class="sidebar-sub-headers"></ul></li><li class="sidebar-sub-header"><a aria-current="page" href="/zh/UserGuide/V1.0.x/Monitor-Alert/Metric-Tool.html#_5-3-使用-iotdb-方式" class="router-link-active router-link-exact-active nav-link sidebar-link heading" aria-label="5.3. 使用 IoTDB 方式"><!---->5.3. 使用 IoTDB 方式<!----></a><ul class="sidebar-sub-headers"></ul></li></ul></li></ul><!--]--></li><li><!--[--><a href="/zh/UserGuide/V1.0.x/Monitor-Alert/Alerting.html" class="nav-link sidebar-link sidebar-page" aria-label="告警机制"><!---->告警机制<!----></a><ul class="sidebar-sub-headers"></ul><!--]--></li></ul></section></li><li><section class="sidebar-group"><button class="sidebar-heading clickable"><!----><span class="title">权限管理</span><span class="arrow end"></span></button><!----></section></li><li><section class="sidebar-group"><button class="sidebar-heading clickable"><!----><span class="title">运维工具</span><span class="arrow end"></span></button><!----></section></li><li><section class="sidebar-group"><button class="sidebar-heading clickable"><!----><span class="title">端云协同</span><span class="arrow end"></span></button><!----></section></li><li><section class="sidebar-group"><button class="sidebar-heading clickable"><!----><span class="title">系统集成</span><span class="arrow end"></span></button><!----></section></li><li><section class="sidebar-group"><button class="sidebar-heading clickable"><!----><span class="title">分布式</span><span class="arrow end"></span></button><!----></section></li><li><section class="sidebar-group"><button class="sidebar-heading clickable"><!----><span class="title">FAQ</span><span class="arrow end"></span></button><!----></section></li><li><section class="sidebar-group"><button class="sidebar-heading clickable"><!----><span class="title">参考</span><span class="arrow end"></span></button><!----></section></li></ul><!--[--><!----><!--]--></aside><!--[--><main class="page" id="main-content"><!--[--><!----><nav class="breadcrumb disable"></nav><div class="page-title"><h1><!----></h1><div class="page-info"><!----><!----><!----><!----><span class="page-reading-time-info" aria-label="阅读时间"><svg xmlns="http://www.w3.org/2000/svg" class="icon timer-icon" viewBox="0 0 1024 1024" fill="currentColor" aria-label="timer icon"><path d="M799.387 122.15c4.402-2.978 7.38-7.897 7.38-13.463v-1.165c0-8.933-7.38-16.312-16.312-16.312H256.33c-8.933 0-16.311 7.38-16.311 16.312v1.165c0 5.825 2.977 10.874 7.637 13.592 4.143 194.44 97.22 354.963 220.201 392.763-122.204 37.542-214.893 196.511-220.2 389.397-4.661 5.049-7.638 11.651-7.638 19.03v5.825h566.49v-5.825c0-7.379-2.849-13.981-7.509-18.9-5.049-193.016-97.867-351.985-220.2-389.527 123.24-37.67 216.446-198.453 220.588-392.892zM531.16 450.445v352.632c117.674 1.553 211.787 40.778 211.787 88.676H304.097c0-48.286 95.149-87.382 213.728-88.676V450.445c-93.077-3.107-167.901-81.297-167.901-177.093 0-8.803 6.99-15.793 15.793-15.793 8.803 0 15.794 6.99 15.794 15.793 0 80.261 63.69 145.635 142.01 145.635s142.011-65.374 142.011-145.635c0-8.803 6.99-15.793 15.794-15.793s15.793 6.99 15.793 15.793c0 95.019-73.789 172.82-165.96 177.093z"></path></svg><span>大约 21 分钟</span><meta property="timeRequired" content="PT21M"></span><!----><!----></div><hr></div><div class="toc-place-holder"><aside id="toc"><!--[--><!----><!--]--><div class="toc-header">此页内容<button class="print-button" title="打印"><svg xmlns="http://www.w3.org/2000/svg" class="icon print-icon" viewBox="0 0 1024 1024" fill="currentColor" aria-label="print icon"><path d="M819.2 364.8h-44.8V128c0-17.067-14.933-32-32-32H281.6c-17.067 0-32 14.933-32 32v236.8h-44.8C145.067 364.8 96 413.867 96 473.6v192c0 59.733 49.067 108.8 108.8 108.8h44.8V896c0 17.067 14.933 32 32 32h460.8c17.067 0 32-14.933 32-32V774.4h44.8c59.733 0 108.8-49.067 108.8-108.8v-192c0-59.733-49.067-108.8-108.8-108.8zM313.6 160h396.8v204.8H313.6V160zm396.8 704H313.6V620.8h396.8V864zM864 665.6c0 25.6-19.2 44.8-44.8 44.8h-44.8V588.8c0-17.067-14.933-32-32-32H281.6c-17.067 0-32 14.933-32 32v121.6h-44.8c-25.6 0-44.8-19.2-44.8-44.8v-192c0-25.6 19.2-44.8 44.8-44.8h614.4c25.6 0 44.8 19.2 44.8 44.8v192z"></path></svg></button></div><div class="toc-wrapper"><ul class="toc-list"><!--[--><li class="toc-item"><a aria-current="page" href="/zh/UserGuide/V1.0.x/Monitor-Alert/Metric-Tool.html#_1-什么场景下会使用到监控" class="router-link-active router-link-exact-active toc-link level2">1. 什么场景下会使用到监控?</a></li><!----><!--]--><!--[--><li class="toc-item"><a aria-current="page" href="/zh/UserGuide/V1.0.x/Monitor-Alert/Metric-Tool.html#_2-什么人需要使用监控" class="router-link-active router-link-exact-active toc-link level2">2. 什么人需要使用监控?</a></li><!----><!--]--><!--[--><li class="toc-item"><a aria-current="page" href="/zh/UserGuide/V1.0.x/Monitor-Alert/Metric-Tool.html#_3-什么是监控指标" class="router-link-active router-link-exact-active toc-link level2">3. 什么是监控指标?</a></li><ul class="toc-list"><!--[--><li class="toc-item"><a aria-current="page" href="/zh/UserGuide/V1.0.x/Monitor-Alert/Metric-Tool.html#_3-1-监控指标名词解释" class="router-link-active router-link-exact-active toc-link level3">3.1. 监控指标名词解释</a></li><!----><!--]--><!--[--><li class="toc-item"><a aria-current="page" href="/zh/UserGuide/V1.0.x/Monitor-Alert/Metric-Tool.html#_3-2-监控指标对外获取数据格式" class="router-link-active router-link-exact-active toc-link level3">3.2. 监控指标对外获取数据格式</a></li><!----><!--]--></ul><!--]--><!--[--><li class="toc-item"><a aria-current="page" href="/zh/UserGuide/V1.0.x/Monitor-Alert/Metric-Tool.html#_4-监控指标有哪些" class="router-link-active router-link-exact-active toc-link level2">4. 监控指标有哪些?</a></li><ul class="toc-list"><!--[--><li class="toc-item"><a aria-current="page" href="/zh/UserGuide/V1.0.x/Monitor-Alert/Metric-Tool.html#_4-1-core-级别监控指标" class="router-link-active router-link-exact-active toc-link level3">4.1. Core 级别监控指标</a></li><!----><!--]--><!--[--><li class="toc-item"><a aria-current="page" href="/zh/UserGuide/V1.0.x/Monitor-Alert/Metric-Tool.html#_4-2-important-级别监控指标" class="router-link-active router-link-exact-active toc-link level3">4.2. Important 级别监控指标</a></li><!----><!--]--><!--[--><li class="toc-item"><a aria-current="page" href="/zh/UserGuide/V1.0.x/Monitor-Alert/Metric-Tool.html#_4-3-normal-级别监控指标" class="router-link-active router-link-exact-active toc-link level3">4.3. Normal 级别监控指标</a></li><!----><!--]--><!--[--><li class="toc-item"><a aria-current="page" href="/zh/UserGuide/V1.0.x/Monitor-Alert/Metric-Tool.html#_4-4-all-级别监控指标" class="router-link-active router-link-exact-active toc-link level3">4.4. All 级别监控指标</a></li><!----><!--]--></ul><!--]--><!--[--><li class="toc-item"><a aria-current="page" href="/zh/UserGuide/V1.0.x/Monitor-Alert/Metric-Tool.html#_5-怎样获取这些系统监控" class="router-link-active router-link-exact-active toc-link level2">5. 怎样获取这些系统监控?</a></li><ul class="toc-list"><!--[--><li class="toc-item"><a aria-current="page" href="/zh/UserGuide/V1.0.x/Monitor-Alert/Metric-Tool.html#_5-1-使用-jmx-方式" class="router-link-active router-link-exact-active toc-link level3">5.1. 使用 JMX 方式</a></li><!----><!--]--><!--[--><li class="toc-item"><a aria-current="page" href="/zh/UserGuide/V1.0.x/Monitor-Alert/Metric-Tool.html#_5-2-使用-prometheus-方式" class="router-link-active router-link-exact-active toc-link level3">5.2. 使用 Prometheus 方式</a></li><!----><!--]--><!--[--><li class="toc-item"><a aria-current="page" href="/zh/UserGuide/V1.0.x/Monitor-Alert/Metric-Tool.html#_5-3-使用-iotdb-方式" class="router-link-active router-link-exact-active toc-link level3">5.3. 使用 IoTDB 方式</a></li><!----><!--]--></ul><!--]--></ul></div><!--[--><!----><!--]--></aside></div><!----><div class="theme-hope-content"><!-- |
| |
| Licensed to the Apache Software Foundation (ASF) under one |
| or more contributor license agreements. See the NOTICE file |
| distributed with this work for additional information |
| regarding copyright ownership. The ASF licenses this file |
| to you under the Apache License, Version 2.0 (the |
| "License"); you may not use this file except in compliance |
| with the License. You may obtain a copy of the License at |
| |
| http://www.apache.org/licenses/LICENSE-2.0 |
| |
| Unless required by applicable law or agreed to in writing, |
| software distributed under the License is distributed on an |
| "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| KIND, either express or implied. See the License for the |
| specific language governing permissions and limitations |
| under the License. |
| |
| --><p>在 IoTDB 的运行过程中,我们希望对 IoTDB 的状态进行观测,以便于排查系统问题或者及时发现系统潜在的风险,能够**反映系统运行状态的一系列指标 **就是系统监控指标。</p><h2 id="_1-什么场景下会使用到监控" tabindex="-1"><a class="header-anchor" href="#_1-什么场景下会使用到监控" aria-hidden="true">#</a> 1. 什么场景下会使用到监控?</h2><p>那么什么时候会用到监控框架呢?下面列举一些常见的场景。</p><ol><li><p>系统变慢了</p><p>系统变慢几乎是最常见也最头疼的问题,这时候我们需要尽可能多的信息来帮助我们找到系统变慢的原因,比如:</p><ul><li>JVM信息:是不是有FGC?GC耗时多少?GC后内存有没有恢复?是不是有大量的线程?</li><li>系统信息:CPU使用率是不是太高了?磁盘IO是不是很频繁?</li><li>连接数:当前连接是不是太多?</li><li>接口:当前TPS是多少?各个接口耗时有没有变化?</li><li>线程池:系统中各种任务是否有积压?</li><li>缓存命中率</li></ul></li><li><p>磁盘快满了</p><p>这时候我们迫切想知道最近一段时间数据文件的增长情况,看看是不是某种文件有突增。</p></li><li><p>系统运行是否正常</p><p>此时我们可能需要通过错误日志的数量、集群节点的状态等指标来判断系统是否在正常运行。</p></li></ol><h2 id="_2-什么人需要使用监控" tabindex="-1"><a class="header-anchor" href="#_2-什么人需要使用监控" aria-hidden="true">#</a> 2. 什么人需要使用监控?</h2><p>所有关注系统状态的人员都可以使用,包括但不限于研发、测试、运维、DBA等等</p><h2 id="_3-什么是监控指标" tabindex="-1"><a class="header-anchor" href="#_3-什么是监控指标" aria-hidden="true">#</a> 3. 什么是监控指标?</h2><h3 id="_3-1-监控指标名词解释" tabindex="-1"><a class="header-anchor" href="#_3-1-监控指标名词解释" aria-hidden="true">#</a> 3.1. 监控指标名词解释</h3><p>在 IoTDB 的监控模块,每个监控指标被 <code>Metric Name</code> 和 <code>Tags</code> 唯一标识。</p><ul><li><code>Metric Name</code>:指标类型名称,比如<code>logback_events</code>表示日志事件。</li><li><code>Tags</code>:指标分类,形式为Key-Value对,每个指标下面可以有0到多个分类,常见的Key-Value对: <ul><li><code>name = xxx</code>:被监控对象的名称,是对<strong>业务逻辑</strong>的说明。比如对于<code>Metric Name = entry_seconds_count</code> 类型的监控项,name的含义是指被监控的业务接口。</li><li><code>type = xxx</code>:监控指标类型细分,是对<strong>监控指标</strong>本身的说明。比如对于<code>Metric Name = point</code> 类型的监控项,type的含义是指监控具体是什么类型的点数。</li><li><code>status = xxx</code>:被监控对象的状态,是对<strong>业务逻辑</strong>的说明。比如对于<code>Metric Name = Task</code>类型的监控项可以通过该参数,从而区分被监控对象的状态。</li><li><code>user = xxx</code>:被监控对象的相关用户,是对<strong>业务逻辑</strong>的说明。比如统计<code>root</code>用户的写入总点数。</li><li>根据具体情况自定义:比如logback_events_total下有一个level的分类,用来表示特定级别下的日志数量。</li></ul></li><li><code>Metric Level</code>:<strong>指标管理级别</strong>,默认启动级别为<code>Core</code>级别,建议启动级别为<code>Important级别</code> ,审核严格程度<code>Core > Important > Normal > All</code><ul><li><code>Core</code>:系统的核心指标,供<strong>系统内核和运维人员</strong>使用,关乎系统的<strong>性能、稳定性、安全性</strong>,比如实例的状况,系统的负载等。</li><li><code>Important</code>:模块的重要指标,供<strong>运维和测试人员</strong>使用,直接关乎<strong>每个模块的运行状态</strong>,比如合并文件个数、执行情况等。</li><li><code>Normal</code>:模块的一般指标,供<strong>开发人员</strong>使用,方便在出现问题时<strong>定位模块</strong>,比如合并中的特定关键操作情况。</li><li><code>All</code>:模块的全部指标,供<strong>模块开发人员</strong>使用,往往在复现问题的时候使用,从而快速解决问题。</li></ul></li></ul><h3 id="_3-2-监控指标对外获取数据格式" tabindex="-1"><a class="header-anchor" href="#_3-2-监控指标对外获取数据格式" aria-hidden="true">#</a> 3.2. 监控指标对外获取数据格式</h3><ul><li>IoTDB 对外提供 JMX、 Prometheus 和 IoTDB 格式的监控指标: <ul><li>对于 JMX ,可以通过<code>org.apache.iotdb.metrics</code>获取系统监控指标指标。</li><li>对于 Prometheus ,可以通过对外暴露的端口获取监控指标的值</li><li>对于 IoTDB 方式对外暴露:可以通过执行 IoTDB 的查询来获取监控指标</li></ul></li></ul><h2 id="_4-监控指标有哪些" tabindex="-1"><a class="header-anchor" href="#_4-监控指标有哪些" aria-hidden="true">#</a> 4. 监控指标有哪些?</h2><p>目前,IoTDB 对外提供一些主要模块的监控指标,并且随着新功能的开发以及系统优化或者重构,监控指标也会同步添加和更新。如果想自己在 IoTDB 中添加更多系统监控指标埋点,可以参考<a href="https://github.com/apache/iotdb/tree/master/metrics" target="_blank" rel="noopener noreferrer">IoTDB Metrics Framework<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">open in new window</span></span></a>使用说明。</p><h3 id="_4-1-core-级别监控指标" tabindex="-1"><a class="header-anchor" href="#_4-1-core-级别监控指标" aria-hidden="true">#</a> 4.1. Core 级别监控指标</h3><p>Core 级别的监控指标在系统运行中默认开启,每一个 Core 级别的监控指标的添加都需要经过谨慎的评估,目前 Core 级别的监控指标如下所述:</p><h4 id="_4-1-1-集群运行状态" tabindex="-1"><a class="header-anchor" href="#_4-1-1-集群运行状态" aria-hidden="true">#</a> 4.1.1. 集群运行状态</h4><table><thead><tr><th>Metric</th><th>Tags</th><th>Type</th><th>Description</th></tr></thead><tbody><tr><td>config_node</td><td>name="total",status="Registered/Online/Unknown"</td><td>AutoGauge</td><td>已注册/在线/离线 confignode 的节点数量</td></tr><tr><td>data_node</td><td>name="total",status="Registered/Online/Unknown"</td><td>AutoGauge</td><td>已注册/在线/离线 datanode 的节点数量</td></tr><tr><td>points</td><td>database="", type="flush"</td><td>Gauge</td><td>最新一个刷盘的memtale的点数</td></tr></tbody></table><h4 id="_4-1-2-iotdb-进程运行状态" tabindex="-1"><a class="header-anchor" href="#_4-1-2-iotdb-进程运行状态" aria-hidden="true">#</a> 4.1.2. IoTDB 进程运行状态</h4><table><thead><tr><th>Metric</th><th>Tags</th><th>Type</th><th>Description</th></tr></thead><tbody><tr><td>process_cpu_load</td><td>name="process"</td><td>AutoGauge</td><td>IoTDB 进程的 CPU 占用率,单位为%</td></tr><tr><td>process_cpu_time</td><td>name="process"</td><td>AutoGauge</td><td>IoTDB 进程占用的 CPU 时间,单位为ns</td></tr><tr><td>process_max_mem</td><td>name="memory"</td><td>AutoGauge</td><td>IoTDB 进程最大可用内存</td></tr><tr><td>process_total_mem</td><td>name="memory"</td><td>AutoGauge</td><td>IoTDB 进程当前已申请内存</td></tr><tr><td>process_free_mem</td><td>name="memory"</td><td>AutoGauge</td><td>IoTDB 进程当前剩余可用内存</td></tr></tbody></table><h4 id="_4-1-3-系统运行状态" tabindex="-1"><a class="header-anchor" href="#_4-1-3-系统运行状态" aria-hidden="true">#</a> 4.1.3. 系统运行状态</h4><table><thead><tr><th>Metric</th><th>Tags</th><th>Type</th><th>Description</th></tr></thead><tbody><tr><td>sys_cpu_load</td><td>name="system"</td><td>AutoGauge</td><td>系统的 CPU 占用率,单位为%</td></tr><tr><td>sys_cpu_cores</td><td>name="system"</td><td>Gauge</td><td>系统的可用处理器数</td></tr><tr><td>sys_total_physical_memory_size</td><td>name="memory"</td><td>Gauge</td><td>系统的最大物理内存</td></tr><tr><td>sys_free_physical_memory_size</td><td>name="memory"</td><td>AutoGauge</td><td>系统的剩余可用内存</td></tr><tr><td>sys_total_swap_space_size</td><td>name="memory"</td><td>AutoGauge</td><td>系统的交换区最大空间</td></tr><tr><td>sys_free_swap_space_size</td><td>name="memory"</td><td>AutoGauge</td><td>系统的交换区剩余可用空间</td></tr><tr><td>sys_committed_vm_size</td><td>name="memory"</td><td>AutoGauge</td><td>系统保证可用于正在运行的进程的虚拟内存量</td></tr><tr><td>sys_disk_total_space</td><td>name="disk"</td><td>AutoGauge</td><td>系统磁盘总大小</td></tr><tr><td>sys_disk_free_space</td><td>name="disk"</td><td>AutoGauge</td><td>系统磁盘可用大小</td></tr></tbody></table><h3 id="_4-2-important-级别监控指标" tabindex="-1"><a class="header-anchor" href="#_4-2-important-级别监控指标" aria-hidden="true">#</a> 4.2. Important 级别监控指标</h3><p>目前 Important 级别的监控指标如下所述:</p><h4 id="_4-2-1-集群运行状态" tabindex="-1"><a class="header-anchor" href="#_4-2-1-集群运行状态" aria-hidden="true">#</a> 4.2.1. 集群运行状态</h4><table><thead><tr><th>Metric</th><th>Tags</th><th>Type</th><th>Description</th></tr></thead><tbody><tr><td>cluster_node_leader_count</td><td>name=":"</td><td>Gauge</td><td>节点上共识组Leader的数量</td></tr><tr><td>cluster_node_status</td><td>name=":",type="ConfigNode/DataNode"</td><td>Gauge</td><td>节点的状态,0=Unkonwn 1=online</td></tr></tbody></table><h4 id="_4-2-2-节点统计" tabindex="-1"><a class="header-anchor" href="#_4-2-2-节点统计" aria-hidden="true">#</a> 4.2.2. 节点统计</h4><table><thead><tr><th>Metric</th><th>Tags</th><th>Type</th><th>Description</th></tr></thead><tbody><tr><td>quantity</td><td>name="database"</td><td>AutoGauge</td><td>系统数据库数量</td></tr><tr><td>quantity</td><td>name="timeSeries"</td><td>AutoGauge</td><td>系统时间序列数量</td></tr><tr><td>quantity</td><td>name="pointsIn"</td><td>Counter</td><td>系统累计写入点数</td></tr><tr><td>region</td><td>name="total",type="SchemaRegion"</td><td>AutoGauge</td><td>分区表中 SchemaRegion 总数量</td></tr><tr><td>region</td><td>name="total",type="DataRegion"</td><td>AutoGauge</td><td>分区表中 DataRegion 总数量</td></tr><tr><td>region</td><td>name=":",type="SchemaRegion"</td><td>Gauge</td><td>分区表中对应节点上 DataRegion 总数量</td></tr><tr><td>region</td><td>name=":",type="DataRegion"</td><td>Gauge</td><td>分区表中对应节点上 DataRegion 总数量</td></tr></tbody></table><h4 id="_4-2-3-iot共识协议统计" tabindex="-1"><a class="header-anchor" href="#_4-2-3-iot共识协议统计" aria-hidden="true">#</a> 4.2.3. IoT共识协议统计</h4><table><thead><tr><th>Metric</th><th>Tags</th><th>Type</th><th>Description</th></tr></thead><tbody><tr><td>iot_consensus</td><td>name="logDispatcher-:", region="", type="currentSyncIndex"</td><td>AutoGauge</td><td>副本组同步线程的当前同步进度</td></tr><tr><td>iot_consensus</td><td>name="logDispatcher-:", region="", type="cachedRequestInMemoryQueue"</td><td>AutoGauge</td><td>副本组同步线程缓存队列请求总大小</td></tr><tr><td>iot_consensus</td><td>name="IoTConsensusServerImpl", region="", type="searchIndex"</td><td>AutoGauge</td><td>副本组主流程写入进度</td></tr><tr><td>iot_consensus</td><td>name="IoTConsensusServerImpl", region="", type="safeIndex"</td><td>AutoGauge</td><td>副本组同步进度</td></tr><tr><td>stage</td><td>name="iot_consensus", region="", type="getStateMachineLock"</td><td>Histogram</td><td>主流程获取状态机锁耗时</td></tr><tr><td>stage</td><td>name="iot_consensus", region="", type="checkingBeforeWrite"</td><td>Histogram</td><td>主流程写入状态机检查耗时</td></tr><tr><td>stage</td><td>name="iot_consensus", region="", type="writeStateMachine"</td><td>Histogram</td><td>主流程写入状态机耗时</td></tr><tr><td>stage</td><td>name="iot_consensus", region="", type="offerRequestToQueue"</td><td>Histogram</td><td>主流程尝试添加队列耗时</td></tr><tr><td>stage</td><td>name="iot_consensus", region="", type="consensusWrite"</td><td>Histogram</td><td>主流程全写入耗时</td></tr><tr><td>stage</td><td>name="iot_consensus", region="", type="constructBatch"</td><td>Histogram</td><td>同步线程构造 Batch 耗时</td></tr><tr><td>stage</td><td>name="iot_consensus", region="", type="syncLogTimePerRequest"</td><td>Histogram</td><td>异步回调流程同步日志耗时</td></tr></tbody></table><h4 id="_4-2-4-缓存统计" tabindex="-1"><a class="header-anchor" href="#_4-2-4-缓存统计" aria-hidden="true">#</a> 4.2.4. 缓存统计</h4><table><thead><tr><th>Metric</th><th>Tags</th><th>Type</th><th>Description</th></tr></thead><tbody><tr><td>cache_hit</td><td>name="chunk"</td><td>AutoGauge</td><td>ChunkCache的命中率,单位为%</td></tr><tr><td>cache_hit</td><td>name="schema"</td><td>AutoGauge</td><td>SchemaCache的命中率,单位为%</td></tr><tr><td>cache_hit</td><td>name="timeSeriesMeta"</td><td>AutoGauge</td><td>TimeseriesMetadataCache的命中率,单位为%</td></tr><tr><td>cache_hit</td><td>name="bloomFilter"</td><td>AutoGauge</td><td>TimeseriesMetadataCache中的bloomFilter的拦截率,单位为%</td></tr><tr><td>cache</td><td>name="Database", type="hit"</td><td>Counter</td><td>Database Cache 的命中次数</td></tr><tr><td>cache</td><td>name="Database", type="all"</td><td>Counter</td><td>Database Cache 的访问次数</td></tr><tr><td>cache</td><td>name="SchemaPartition", type="hit"</td><td>Counter</td><td>SchemaPartition Cache 的命中次数</td></tr><tr><td>cache</td><td>name="SchemaPartition", type="all"</td><td>Counter</td><td>SchemaPartition Cache 的访问次数</td></tr><tr><td>cache</td><td>name="DataPartition", type="hit"</td><td>Counter</td><td>DataPartition Cache 的命中次数</td></tr><tr><td>cache</td><td>name="DataPartition", type="all"</td><td>Counter</td><td>DataPartition Cache 的访问次数</td></tr></tbody></table><h4 id="_4-2-5-接口层统计" tabindex="-1"><a class="header-anchor" href="#_4-2-5-接口层统计" aria-hidden="true">#</a> 4.2.5. 接口层统计</h4><table><thead><tr><th>Metric</th><th>Tags</th><th>Type</th><th>Description</th></tr></thead><tbody><tr><td>operation</td><td>name = ""</td><td>Histogram</td><td>客户端执行的操作的耗时情况</td></tr><tr><td>entry</td><td>name=""</td><td>Timer</td><td>Client 建立的 Thrift 的耗时情况</td></tr><tr><td>thrift_connections</td><td>name="ConfigNodeRPC"</td><td>AutoGauge</td><td>ConfigNode 的内部 Thrift 连接数</td></tr><tr><td>thrift_connections</td><td>name="Internal"</td><td>AutoGauge</td><td>DataNode 的内部 Thrift 连接数</td></tr><tr><td>thrift_connections</td><td>name="MPPDataExchange"</td><td>AutoGauge</td><td>MPP 框架的内部 Thrift 连接数</td></tr><tr><td>thrift_connections</td><td>name="RPC"</td><td>AutoGauge</td><td>Client 建立的 Thrift 连接数</td></tr><tr><td>thrift_active_threads</td><td>name="ConfigNodeRPC-Service"</td><td>AutoGauge</td><td>ConfigNode 的内部活跃 Thrift 连接数</td></tr><tr><td>thrift_active_threads</td><td>name="DataNodeInternalRPC-Service"</td><td>AutoGauge</td><td>DataNode 的内部活跃 Thrift 连接数</td></tr><tr><td>thrift_active_threads</td><td>name="MPPDataExchangeRPC-Service"</td><td>AutoGauge</td><td>MPP 框架的内部活跃 Thrift 连接数</td></tr><tr><td>thrift_active_threads</td><td>name="ClientRPC-Service"</td><td>AutoGauge</td><td>Client 建立的活跃 Thrift 连接数</td></tr></tbody></table><h4 id="_4-2-6-内存统计" tabindex="-1"><a class="header-anchor" href="#_4-2-6-内存统计" aria-hidden="true">#</a> 4.2.6. 内存统计</h4><table><thead><tr><th>Metric</th><th>Tags</th><th>Type</th><th>Description</th></tr></thead><tbody><tr><td>mem</td><td>name="database_"</td><td>AutoGauge</td><td>DataNode内对应DataRegion的内存占用,单位为byte</td></tr><tr><td>mem</td><td>name="chunkMetaData_"</td><td>AutoGauge</td><td>写入TsFile时的ChunkMetaData的内存占用,单位为byte</td></tr><tr><td>mem</td><td>name="IoTConsensus"</td><td>AutoGauge</td><td>IoT共识协议的内存占用,单位为byte</td></tr><tr><td>mem</td><td>name="schema_region_total_usage"</td><td>AutoGauge</td><td>所有SchemaRegion的总内存占用,单位为byte</td></tr><tr><td>mem</td><td>name="schema_region_total_remaining"</td><td>AutoGauge</td><td>所有SchemaRegion的总内存剩余,单位为byte</td></tr></tbody></table><h4 id="_4-2-7-任务统计" tabindex="-1"><a class="header-anchor" href="#_4-2-7-任务统计" aria-hidden="true">#</a> 4.2.7. 任务统计</h4><table><thead><tr><th>Metric</th><th>Tags</th><th>Type</th><th>Description</th></tr></thead><tbody><tr><td>queue</td><td>name="compaction_inner", status="running/waiting"</td><td>Gauge</td><td>空间内合并任务数</td></tr><tr><td>queue</td><td>name="compaction_cross", status="running/waiting"</td><td>Gauge</td><td>跨空间合并任务数</td></tr><tr><td>cost_task</td><td>name="inner_compaction/cross_compaction/flush"</td><td>Gauge</td><td>任务耗时情况</td></tr><tr><td>queue</td><td>name="flush",status="running/waiting"</td><td>AutoGauge</td><td>刷盘任务数</td></tr><tr><td>queue</td><td>name="Sub_RawQuery",status="running/waiting"</td><td>AutoGauge</td><td>Sub_RawQuery任务数</td></tr></tbody></table><h4 id="_4-2-8-合并统计" tabindex="-1"><a class="header-anchor" href="#_4-2-8-合并统计" aria-hidden="true">#</a> 4.2.8. 合并统计</h4><table><thead><tr><th>Metric</th><th>Tags</th><th>Type</th><th>Description</th></tr></thead><tbody><tr><td>data_written</td><td>name="compaction", type="aligned/not-aligned/total"</td><td>Counter</td><td>合并时写入量</td></tr><tr><td>data_read</td><td>name="compaction"</td><td>Counter</td><td>合并时的读取量</td></tr><tr><td>compaction_task_count</td><td>name = "inner_compaction", type="sequence"</td><td>Counter</td><td>顺序空间内合并次数</td></tr><tr><td>compaction_task_count</td><td>name = "inner_compaction", type="unsequence"</td><td>Counter</td><td>乱序空间内合并次数</td></tr><tr><td>compaction_task_count</td><td>name = "cross_compaction", type="cross"</td><td>Counter</td><td>跨空间合并次数</td></tr></tbody></table><h4 id="_4-2-9-文件统计信息" tabindex="-1"><a class="header-anchor" href="#_4-2-9-文件统计信息" aria-hidden="true">#</a> 4.2.9. 文件统计信息</h4><table><thead><tr><th>Metric</th><th>Tags</th><th>Type</th><th>Description</th></tr></thead><tbody><tr><td>file_size</td><td>name="wal"</td><td>AutoGauge</td><td>写前日志总大小,单位为byte</td></tr><tr><td>file_size</td><td>name="seq"</td><td>AutoGauge</td><td>顺序TsFile总大小,单位为byte</td></tr><tr><td>file_size</td><td>name="unseq"</td><td>AutoGauge</td><td>乱序TsFile总大小,单位为byte</td></tr><tr><td>file_size</td><td>name="inner-seq-temp"</td><td>AutoGauge</td><td>顺序空间内合并临时文件大小,单位为byte</td></tr><tr><td>file_size</td><td>name="inner-unseq-temp"</td><td>AutoGauge</td><td>乱序空间内合并临时文件大小,单位为byte</td></tr><tr><td>file_size</td><td>name="cross-temp"</td><td>AutoGauge</td><td>跨空间合并临时文件大小,单位为byte</td></tr><tr><td>file_size</td><td>name="mods"</td><td>AutoGauge</td><td>Modification 文件的大小</td></tr><tr><td>file_count</td><td>name="wal"</td><td>AutoGauge</td><td>写前日志文件个数</td></tr><tr><td>file_count</td><td>name="seq"</td><td>AutoGauge</td><td>顺序TsFile文件个数</td></tr><tr><td>file_count</td><td>name="unseq"</td><td>AutoGauge</td><td>乱序TsFile文件个数</td></tr><tr><td>file_count</td><td>name="inner-seq-temp"</td><td>AutoGauge</td><td>顺序空间内合并临时文件个数</td></tr><tr><td>file_count</td><td>name="inner-unseq-temp"</td><td>AutoGauge</td><td>乱序空间内合并临时文件个数</td></tr><tr><td>file_count</td><td>name="cross-temp"</td><td>AutoGauge</td><td>跨空间合并临时文件个数</td></tr><tr><td>file_count</td><td>name="open_file_handlers"</td><td>AutoGauge</td><td>IoTDB 进程打开文件数,仅支持Linux和MacOS</td></tr><tr><td>file_count</td><td>name="mods</td><td>AutoGauge</td><td>Modification 文件的数目</td></tr></tbody></table><h4 id="_4-2-10-iotdb-进程统计" tabindex="-1"><a class="header-anchor" href="#_4-2-10-iotdb-进程统计" aria-hidden="true">#</a> 4.2.10. IoTDB 进程统计</h4><table><thead><tr><th>Metric</th><th>Tags</th><th>Type</th><th>Description</th></tr></thead><tbody><tr><td>process_used_mem</td><td>name="memory"</td><td>AutoGauge</td><td>IoTDB 进程当前使用内存</td></tr><tr><td>process_mem_ratio</td><td>name="memory"</td><td>AutoGauge</td><td>IoTDB 进程的内存占用比例</td></tr><tr><td>process_threads_count</td><td>name="process"</td><td>AutoGauge</td><td>IoTDB 进程当前线程数</td></tr><tr><td>process_status</td><td>name="process"</td><td>AutoGauge</td><td>IoTDB 进程存活状态,1为存活,0为终止</td></tr></tbody></table><h4 id="_4-2-11-iotdb-日志统计" tabindex="-1"><a class="header-anchor" href="#_4-2-11-iotdb-日志统计" aria-hidden="true">#</a> 4.2.11. IoTDB 日志统计</h4><table><thead><tr><th>Metric</th><th>Tags</th><th>Type</th><th>Description</th></tr></thead><tbody><tr><td>logback_events</td><td>level="trace/debug/info/warn/error"</td><td>Counter</td><td>不同类型的日志个数</td></tr></tbody></table><h4 id="_4-2-12-jvm-线程统计" tabindex="-1"><a class="header-anchor" href="#_4-2-12-jvm-线程统计" aria-hidden="true">#</a> 4.2.12. JVM 线程统计</h4><table><thead><tr><th>Metric</th><th>Tags</th><th>Type</th><th>Description</th></tr></thead><tbody><tr><td>jvm_threads_live_threads</td><td></td><td>AutoGauge</td><td>当前线程数</td></tr><tr><td>jvm_threads_daemon_threads</td><td></td><td>AutoGauge</td><td>当前 Daemon 线程数</td></tr><tr><td>jvm_threads_peak_threads</td><td></td><td>AutoGauge</td><td>峰值线程数</td></tr><tr><td>jvm_threads_states_threads</td><td>state="runnable/blocked/waiting/timed-waiting/new/terminated"</td><td>AutoGauge</td><td>当前处于各种状态的线程数</td></tr></tbody></table><h4 id="_4-2-13-jvm-gc-统计" tabindex="-1"><a class="header-anchor" href="#_4-2-13-jvm-gc-统计" aria-hidden="true">#</a> 4.2.13. JVM GC 统计</h4><table><thead><tr><th>Metric</th><th>Tags</th><th>Type</th><th>Description</th></tr></thead><tbody><tr><td>jvm_gc_pause</td><td>action="end of major GC/end of minor GC",cause="xxxx"</td><td>Timer</td><td>不同原因的Young GC/Full GC的次数与耗时</td></tr><tr><td></td><td></td><td></td><td></td></tr><tr><td>jvm_gc_concurrent_phase_time</td><td>action="",cause=""</td><td>Timer</td><td>不同原因的Young GC/Full GC的次数与耗时</td></tr><tr><td></td><td></td><td></td><td></td></tr><tr><td>jvm_gc_max_data_size_bytes</td><td></td><td>AutoGauge</td><td>老年代内存的历史最大值</td></tr><tr><td>jvm_gc_live_data_size_bytes</td><td></td><td>AutoGauge</td><td>老年代内存的使用值</td></tr><tr><td>jvm_gc_memory_promoted_bytes</td><td></td><td>Counter</td><td>老年代内存正向增长累计值</td></tr><tr><td>jvm_gc_memory_allocated_bytes</td><td></td><td>Counter</td><td>GC分配内存正向增长累计值</td></tr></tbody></table><h4 id="_4-2-14-jvm-内存统计" tabindex="-1"><a class="header-anchor" href="#_4-2-14-jvm-内存统计" aria-hidden="true">#</a> 4.2.14. JVM 内存统计</h4><table><thead><tr><th>Metric</th><th>Tags</th><th>Type</th><th>Description</th></tr></thead><tbody><tr><td>jvm_buffer_memory_used_bytes</td><td>id="direct/mapped"</td><td>AutoGauge</td><td>已经使用的缓冲区大小</td></tr><tr><td>jvm_buffer_total_capacity_bytes</td><td>id="direct/mapped"</td><td>AutoGauge</td><td>最大缓冲区大小</td></tr><tr><td>jvm_buffer_count_buffers</td><td>id="direct/mapped"</td><td>AutoGauge</td><td>当前缓冲区数量</td></tr><tr><td>jvm_memory_committed_bytes</td><td area="heap/nonheap,id="xxx","></td><td>AutoGauge</td><td>当前申请的内存大小</td></tr><tr><td>jvm_memory_max_bytes</td><td area="heap/nonheap,id="xxx","></td><td>AutoGauge</td><td>最大内存</td></tr><tr><td>jvm_memory_used_bytes</td><td area="heap/nonheap,id="xxx","></td><td>AutoGauge</td><td>已使用内存大小</td></tr></tbody></table><h4 id="_4-2-15-jvm-类加载统计" tabindex="-1"><a class="header-anchor" href="#_4-2-15-jvm-类加载统计" aria-hidden="true">#</a> 4.2.15. JVM 类加载统计</h4><table><thead><tr><th>Metric</th><th>Tags</th><th>Type</th><th>Description</th></tr></thead><tbody><tr><td>jvm_classes_unloaded_classes</td><td></td><td>AutoGauge</td><td>累计卸载的class数量</td></tr><tr><td>jvm_classes_loaded_classes</td><td></td><td>AutoGauge</td><td>累计加载的class数量</td></tr></tbody></table><h4 id="_4-2-16-jvm-编译时间统计" tabindex="-1"><a class="header-anchor" href="#_4-2-16-jvm-编译时间统计" aria-hidden="true">#</a> 4.2.16. JVM 编译时间统计</h4><table><thead><tr><th>Metric</th><th>Tags</th><th>Type</th><th>Description</th></tr></thead><tbody><tr><td>jvm_compilation_time_ms</td><td compiler="HotSpot 64-Bit Tiered Compilers,"></td><td>AutoGauge</td><td>耗费在编译上的时间</td></tr></tbody></table><h3 id="_4-3-normal-级别监控指标" tabindex="-1"><a class="header-anchor" href="#_4-3-normal-级别监控指标" aria-hidden="true">#</a> 4.3. Normal 级别监控指标</h3><h4 id="_4-3-1-集群" tabindex="-1"><a class="header-anchor" href="#_4-3-1-集群" aria-hidden="true">#</a> 4.3.1. 集群</h4><table><thead><tr><th>Metric</th><th>Tags</th><th>Type</th><th>Description</th></tr></thead><tbody><tr><td>region</td><td>name="",type="SchemaRegion/DataRegion"</td><td>AutoGauge</td><td>特定节点上不同 Database 的 DataRegion/SchemaRegion 个数</td></tr><tr><td>slot</td><td>name="",type="schemaSlotNumber/dataSlotNumber"</td><td>AutoGauge</td><td>特定节点上不同 Database 的 DataSlot/SchemaSlot 个数</td></tr></tbody></table><h3 id="_4-4-all-级别监控指标" tabindex="-1"><a class="header-anchor" href="#_4-4-all-级别监控指标" aria-hidden="true">#</a> 4.4. All 级别监控指标</h3><p>目前还没有All级别的监控指标,后续会持续添加。</p><h2 id="_5-怎样获取这些系统监控" tabindex="-1"><a class="header-anchor" href="#_5-怎样获取这些系统监控" aria-hidden="true">#</a> 5. 怎样获取这些系统监控?</h2><ul><li>监控模块的相关配置均在<code>conf/iotdb-{datanode/confignode}.properties</code>中,所有配置项支持通过<code>load configuration</code>命令热加载。</li></ul><h3 id="_5-1-使用-jmx-方式" tabindex="-1"><a class="header-anchor" href="#_5-1-使用-jmx-方式" aria-hidden="true">#</a> 5.1. 使用 JMX 方式</h3><p>对于使用 JMX 对外暴露的指标,可以通过 Jconsole 来进行查看。在进入 Jconsole 监控页面后,首先会看到 IoTDB 的各类运行情况的概览。在这里,您可以看到堆内存信息、线程信息、类信息以及服务器的 CPU 使用情况。</p><h4 id="_5-1-1-获取监控指标数据" tabindex="-1"><a class="header-anchor" href="#_5-1-1-获取监控指标数据" aria-hidden="true">#</a> 5.1.1. 获取监控指标数据</h4><p>连接到 JMX 后,您可以通过 "MBeans" 标签找到名为 "org.apache.iotdb.metrics" 的 "MBean",可以在侧边栏中查看所有监控指标的具体值。</p><img style="width:100%;max-width:800px;max-height:600px;margin-left:auto;margin-right:auto;display:block;" alt="metric-jmx" src="https://alioss.timecho.com/docs/img/github/204018765-6fda9391-ebcf-4c80-98c5-26f34bd74df0.png"><h4 id="_5-1-2-获取其他相关数据" tabindex="-1"><a class="header-anchor" href="#_5-1-2-获取其他相关数据" aria-hidden="true">#</a> 5.1.2. 获取其他相关数据</h4><p>连接到 JMX 后,您可以通过 "MBeans" 标签找到名为 "org.apache.iotdb.service" 的 "MBean",如下图所示,了解服务的基本状态</p><p><img style="width:100%;max-width:800px;max-height:600px;margin-left:auto;margin-right:auto;display:block;" src="https://alioss.timecho.com/docs/img/github/149951720-707f1ee8-32ee-4fde-9252-048caebd232e.png"> <br></p><p>为了提高查询性能,IOTDB 对 ChunkMetaData 和 TsFileMetaData 进行了缓存。用户可以使用 MXBean ,展开侧边栏<code>org.apache.iotdb.db.service</code>查看缓存命中率:</p><img style="width:100%;max-width:800px;max-height:600px;margin-left:auto;margin-right:auto;display:block;" src="https://alioss.timecho.com/docs/img/github/112426760-73e3da80-8d73-11eb-9a8f-9232d1f2033b.png"><h3 id="_5-2-使用-prometheus-方式" tabindex="-1"><a class="header-anchor" href="#_5-2-使用-prometheus-方式" aria-hidden="true">#</a> 5.2. 使用 Prometheus 方式</h3><h4 id="_5-2-1-监控指标的-prometheus-映射关系" tabindex="-1"><a class="header-anchor" href="#_5-2-1-监控指标的-prometheus-映射关系" aria-hidden="true">#</a> 5.2.1. 监控指标的 Prometheus 映射关系</h4><blockquote><p>对于 Metric Name 为 name, Tags 为 K1=V1, ..., Kn=Vn 的监控指标有如下映射,其中 value 为具体值</p></blockquote><table><thead><tr><th>监控指标类型</th><th>映射关系</th></tr></thead><tbody><tr><td>Counter</td><td>name_total{k1="V1", ..., Kn="Vn"} value</td></tr><tr><td>AutoGauge、Gauge</td><td>name{k1="V1", ..., Kn="Vn"} value</td></tr><tr><td>Histogram</td><td>name_max{k1="V1", ..., Kn="Vn"} value <br> name_sum{k1="V1", ..., Kn="Vn"} value <br> name_count{k1="V1", ..., Kn="Vn"} value <br> name{k1="V1", ..., Kn="Vn", quantile="0.0"} value <br> name{k1="V1", ..., Kn="Vn", quantile="0.25"} value <br> name{k1="V1", ..., Kn="Vn", quantile="0.5"} value <br> name{k1="V1", ..., Kn="Vn", quantile="0.75"} value <br> name{k1="V1", ..., Kn="Vn", quantile="1.0"} value</td></tr><tr><td>Rate</td><td>name_total{k1="V1", ..., Kn="Vn"} value <br> name_total{k1="V1", ..., Kn="Vn", rate="m1"} value <br> name_total{k1="V1", ..., Kn="Vn", rate="m5"} value <br> name_total{k1="V1", ..., Kn="Vn", rate="m15"} value <br> name_total{k1="V1", ..., Kn="Vn", rate="mean"} value</td></tr><tr><td>Timer</td><td>name_seconds_max{k1="V1", ..., Kn="Vn"} value <br> name_seconds_sum{k1="V1", ..., Kn="Vn"} value <br> name_seconds_count{k1="V1", ..., Kn="Vn"} value <br> name_seconds{k1="V1", ..., Kn="Vn", quantile="0.0"} value <br> name_seconds{k1="V1", ..., Kn="Vn", quantile="0.25"} value <br> name_seconds{k1="V1", ..., Kn="Vn", quantile="0.5"} value <br> name_seconds{k1="V1", ..., Kn="Vn", quantile="0.75"} value <br> name_seconds{k1="V1", ..., Kn="Vn", quantile="1.0"} value</td></tr></tbody></table><h4 id="_5-2-2-修改配置文件" tabindex="-1"><a class="header-anchor" href="#_5-2-2-修改配置文件" aria-hidden="true">#</a> 5.2.2. 修改配置文件</h4><ol><li>以 DataNode 为例,修改 iotdb-datanode.properties 配置文件如下:</li></ol><div class="language-properties line-numbers-mode" data-ext="properties"><pre class="language-properties"><code><span class="token key attr-name">dn_metric_reporter_list</span><span class="token punctuation">=</span><span class="token value attr-value">PROMETHEUS</span> |
| <span class="token key attr-name">dn_metric_level</span><span class="token punctuation">=</span><span class="token value attr-value">CORE</span> |
| <span class="token key attr-name">dn_metric_prometheus_reporter_port</span><span class="token punctuation">=</span><span class="token value attr-value">9091</span> |
| </code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><ol start="2"><li><p>启动 IoTDB DataNode</p></li><li><p>打开浏览器或者用<code>curl</code> 访问 <code>http://servier_ip:9091/metrics</code>, 就能得到如下 metric 数据:</p></li></ol><div class="language-text line-numbers-mode" data-ext="text"><pre class="language-text"><code>... |
| # HELP file_count |
| # TYPE file_count gauge |
| file_count{name="wal",} 0.0 |
| file_count{name="unseq",} 0.0 |
| file_count{name="seq",} 2.0 |
| ... |
| </code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><h4 id="_5-2-3-prometheus-grafana" tabindex="-1"><a class="header-anchor" href="#_5-2-3-prometheus-grafana" aria-hidden="true">#</a> 5.2.3. Prometheus + Grafana</h4><p>如上所示,IoTDB 对外暴露出标准的 Prometheus 格式的监控指标数据,可以使用 Prometheus 采集并存储监控指标,使用 Grafana 可视化监控指标。</p><p>IoTDB、Prometheus、Grafana三者的关系如下图所示:</p><figure><img src="https://alioss.timecho.com/docs/img/UserGuide/System-Tools/Metrics/iotdb_prometheus_grafana.png" alt="iotdb_prometheus_grafana" tabindex="0" loading="lazy"><figcaption>iotdb_prometheus_grafana</figcaption></figure><ol><li>IoTDB在运行过程中持续收集监控指标数据。</li><li>Prometheus以固定的间隔(可配置)从IoTDB的HTTP接口拉取监控指标数据。</li><li>Prometheus将拉取到的监控指标数据存储到自己的TSDB中。</li><li>Grafana以固定的间隔(可配置)从Prometheus查询监控指标数据并绘图展示。</li></ol><p>从交互流程可以看出,我们需要做一些额外的工作来部署和配置Prometheus和Grafana。</p><p>比如,你可以对Prometheus进行如下的配置(部分参数可以自行调整)来从IoTDB获取监控数据</p><div class="language-yaml line-numbers-mode" data-ext="yml"><pre class="language-yaml"><code><span class="token key atrule">job_name</span><span class="token punctuation">:</span> pull<span class="token punctuation">-</span>metrics |
| <span class="token key atrule">honor_labels</span><span class="token punctuation">:</span> <span class="token boolean important">true</span> |
| <span class="token key atrule">honor_timestamps</span><span class="token punctuation">:</span> <span class="token boolean important">true</span> |
| <span class="token key atrule">scrape_interval</span><span class="token punctuation">:</span> 15s |
| <span class="token key atrule">scrape_timeout</span><span class="token punctuation">:</span> 10s |
| <span class="token key atrule">metrics_path</span><span class="token punctuation">:</span> /metrics |
| <span class="token key atrule">scheme</span><span class="token punctuation">:</span> http |
| <span class="token key atrule">follow_redirects</span><span class="token punctuation">:</span> <span class="token boolean important">true</span> |
| <span class="token key atrule">static_configs</span><span class="token punctuation">:</span> |
| <span class="token punctuation">-</span> <span class="token key atrule">targets</span><span class="token punctuation">:</span> |
| <span class="token punctuation">-</span> localhost<span class="token punctuation">:</span><span class="token number">9091</span> |
| </code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><p>更多细节可以参考下面的文档:</p><p><a href="https://prometheus.io/docs/prometheus/latest/getting_started/" target="_blank" rel="noopener noreferrer">Prometheus安装使用文档<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">open in new window</span></span></a></p><p><a href="https://prometheus.io/docs/prometheus/latest/configuration/configuration/#scrape_config" target="_blank" rel="noopener noreferrer">Prometheus从HTTP接口拉取metrics数据的配置说明<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">open in new window</span></span></a></p><p><a href="https://grafana.com/docs/grafana/latest/getting-started/getting-started/" target="_blank" rel="noopener noreferrer">Grafana安装使用文档<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">open in new window</span></span></a></p><p><a href="https://prometheus.io/docs/visualization/grafana/#grafana-support-for-prometheus" target="_blank" rel="noopener noreferrer">Grafana从Prometheus查询数据并绘图的文档<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">open in new window</span></span></a></p><h4 id="_5-2-4-apache-iotdb-dashboard" tabindex="-1"><a class="header-anchor" href="#_5-2-4-apache-iotdb-dashboard" aria-hidden="true">#</a> 5.2.4. Apache IoTDB Dashboard</h4><p>我们提供了Apache IoTDB Dashboard,在Grafana中显示的效果图如下所示:</p><figure><img src="https://alioss.timecho.com/docs/img/UserGuide/System-Tools/Metrics/dashboard.png" alt="Apache IoTDB Dashboard" tabindex="0" loading="lazy"><figcaption>Apache IoTDB Dashboard</figcaption></figure><h5 id="_5-2-4-1-如何获取-apache-iotdb-dashboard" tabindex="-1"><a class="header-anchor" href="#_5-2-4-1-如何获取-apache-iotdb-dashboard" aria-hidden="true">#</a> 5.2.4.1. 如何获取 Apache IoTDB Dashboard?</h5><ol><li>您可以在 GitHub 上获取到Dashboard的json文件。 <ol><li><a href="https://github.com/apache/iotdb/tree/rel/1.0/docs/UserGuide/Monitor-Alert/Apache-IoTDB-ConfigNode-Dashboard.json">Apache IoTDB ConfigNode Dashboard</a></li><li><a href="https://github.com/apache/iotdb/tree/rel/1.0/docs/UserGuide/Monitor-Alert/Apache-IoTDB-DataNode-Dashboard.json">Apache IoTDB DataNode Dashboard</a></li></ol></li><li>您可以访问<a href="https://grafana.com/grafana/dashboards/" target="_blank" rel="noopener noreferrer">Grafana Dashboard官网<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">open in new window</span></span></a>搜索<code>Apache IoTDB Dashboard</code>并使用</li></ol><p>在创建Grafana时,您可以选择Import刚刚下载的json文件,并为Apache IoTDB Dashboard选择对应目标数据源。</p><h5 id="_5-2-4-2-apache-iotdb-confignode-dashboard-说明" tabindex="-1"><a class="header-anchor" href="#_5-2-4-2-apache-iotdb-confignode-dashboard-说明" aria-hidden="true">#</a> 5.2.4.2. Apache IoTDB ConfigNode Dashboard 说明</h5><blockquote><p>除特殊说明的监控项以外,以下监控项均保证在Important级别的监控框架中可用。</p></blockquote><ul><li><code>Overview</code>:系统概述 <ul><li><code>Registered Node</code>:注册的ConfigNode/DataNode个数</li><li><code>DataNode</code>:集群DataNode的存活状态,包括Online和Unknown两种。</li><li><code>ConfigNode</code>:集群ConfigNode的存活状态,包括Online和Unknown两种。</li><li><code>The Status Of Node</code>:集群具体节点运行状态,包括Online和Unkown两种。</li></ul></li><li><code>Region</code>:Region概述 <ul><li><code>Region Number</code>:Region个数,包括总个数,DataRegion 个数和 SchemaRegion 个数。</li><li><code>Leadership distribution</code>:集群 Leader 分布情况,指每个节点上对应 Region 的 Leader 的个数。</li><li><code>Total Region in Node</code>:不同 Node 的 Region 总数量。</li><li><code>Region in Node</code>:不同 Node 的 SchemaRegion/DataRegion 数量。</li><li><code>Region in Database</code>(Normal级别):不同 Database 的 Region 数量,包括 SchemaRegion、DataRegion。</li><li><code>Slot in Database</code>(Normal级别):不同 Database 的Slot数量,包括 DataSlot 数量和 SchemaSlot 数量。</li></ul></li><li><code>System</code>:系统 <ul><li><code>CPU Core</code>:系统 CPU 核数情况。</li><li><code>CPU Load</code>:系统 CPU 负载情况、进度 CPU 负载情况。</li><li><code>CPU Time Per Minute</code>:进程平均每分钟占用系统 CPU 时间,注意:多核会导致该值超过1分钟。</li><li><code>System Memory</code>:系统物理内存大小、系统使用物理内存大小、虚拟机提交的内存大小。</li><li><code>System Swap Size</code>:系统交换区总大小、系统交换区使用大小。</li><li><code>Process Memory</code>:IoTDB 进程最大内存总大小、IoTDB 进程总内存大小、IoTDB 进程使用内存大小。</li><li><code>The Number of GC Per Minute</code>:平均每分钟 GC 次数。</li><li><code>The Time Consumed Of GC Per Minute</code>:平均每分钟 GC 耗时。</li><li><code>The Number Of Java Thread</code>:IoTDB 进程的不同状态的线程数。</li><li><code>Heap Memory</code>:IoTDB 进程的堆内存</li><li><code>Off Heap Memory</code>:IoTDB 进程的堆外内存</li><li><code>Log Number Per Minute</code>:IoTDB 进程平均每分钟日志数</li><li><code>The Time Consumed of Compliation Per Minute</code>:平均每分钟编译耗时</li><li><code>The Number Of Class</code>:JVM 加载和卸载的类数量</li></ul></li></ul><h5 id="_5-2-4-3-apache-iotdb-datanode-dashboard-说明" tabindex="-1"><a class="header-anchor" href="#_5-2-4-3-apache-iotdb-datanode-dashboard-说明" aria-hidden="true">#</a> 5.2.4.3. Apache IoTDB DataNode Dashboard 说明</h5><blockquote><p>除特殊说明的监控项以外,以下监控项均保证在Important级别的监控框架中可用。</p></blockquote><ul><li><code>Overview</code>:系统概述 <ul><li><code>The Number Of Entity</code>:实体数量,包含时间序列等</li><li><code>Write Point Per Minute</code>:每分钟系统平均写入点数</li><li><code>Database Used Memory</code>:每个 Database 使用的内存大小</li></ul></li><li><code>Interface</code>:接口 <ul><li><code>The Time Consumed Of Operation(50%)</code>:不同客户端操作耗时的中位数</li><li><code>The Time Consumed Of Operation(75%)</code>:不同客户端操作耗时的上四分位数</li><li><code>The Time Consumed Of Operation(100%)</code>:不同客户端操作耗时的最大值</li><li><code>The QPS of Interface</code>:系统接口每秒钟访问次数</li><li><code>The Time Consumed Of Interface</code>:系统接口的平均耗时</li><li><code>Cache Hit Rate</code>:缓存命中率</li><li><code>Thrift Connection</code>:建立的 Thrift 连接个数</li><li><code>Thrift Active Thread</code>:建立的活跃的 Thrift 连接的个数</li></ul></li><li><code>Engine</code>:引擎 <ul><li><code>Task Number</code>:系统中不同状态的任务个数</li><li><code>The Time Consumed Of Tasking</code>:系统中不同状态的任务的耗时</li><li><code>Compaction Read And Write Per Minute</code>:平均每分钟合并读取和写入数据量</li><li><code>Compaction R/W Ratio Per Minute</code>:平均每分钟合并读取和写入数据比</li><li><code>Compaction Number Per Minute</code>:平均每分钟不同类型的合并任务数量</li></ul></li><li><code>IoTConsensus</code>:IoT共识协议 <ul><li><code>IoTConsensus Used Memory</code>:IoT共识层使用的内存大小</li><li><code>IoTConsensus Sync Index</code>:不同的Region的写入Index和同步Index</li><li><code>IoTConsensus Overview</code>:不同节点的同步总差距、总缓存的请求个数</li><li><code>The time consumed of different stages(50%)</code>:不同阶段耗时的中位数</li><li><code>The time consumed of different stages(75%)</code>:不同阶段耗时的上四分位数</li><li><code>The time consumed of different stages(100%)</code>:不同阶段耗时的最大值</li><li><code>IoTConsensus Search Index Rate</code>:不同region的写入Index的增长速度</li><li><code>IoTConsensus Safe Index Rate</code>:不同region的同步Index的增长速度</li><li><code>IoTConsensus LogDispatcher Request Size</code>:不同的LogDispatcherThread缓存的请求个数</li><li><code>Sync Lag</code>:每个region的同步index差距</li><li><code>Min Peer Sync Lag</code>:每个region的写入index和同步最快的LogDispatcherThread的同步index之间的差距</li><li><code>Sync speed diff of Peers</code>:每个region中同步最快的LogDispatcherThread与同步最慢的LogDispatcherThread之间的同步index差距</li></ul></li><li><code>System</code>:系统 <ul><li><code>CPU Core</code>:系统 CPU 核数情况。</li><li><code>CPU Load</code>:系统 CPU 负载情况、进度 CPU 负载情况。</li><li><code>CPU Time Per Minute</code>:进程平均每分钟占用系统 CPU 时间,注意:多核会导致该值超过1分钟。</li><li><code>System Memory</code>:系统物理内存大小、系统使用物理内存大小、虚拟机提交的内存大小。</li><li><code>System Swap Size</code>:系统交换区总大小、系统交换区使用大小。</li><li><code>Process Memory</code>:IoTDB 进程最大内存总大小、IoTDB 进程总内存大小、IoTDB 进程使用内存大小。</li><li><code>The Size Of File</code>:IoTDB系统相关的文件大小,包括wal下的文件总大小、seq下的tsfile文件总大小、unseq下的tsfile文件总大小</li><li><code>The Number Of File</code>:IoTDB系统相关的文件个数,包括wal下的文件个数、seq下的tsfile文件个数、unseq下的tsfile文件个数</li><li><code>The Space Of Disk</code>:当前data目录所挂载的磁盘总大小和剩余大小</li><li><code>The Number of GC Per Minute</code>:平均每分钟 GC 次数。</li><li><code>The Time Consumed Of GC Per Minute</code>:平均每分钟 GC 耗时。</li><li><code>The Number Of Java Thread</code>:IoTDB 进程的不同状态的线程数。</li><li><code>Heap Memory</code>:IoTDB 进程的堆内存</li><li><code>Off Heap Memory</code>:IoTDB 进程的堆外内存</li><li><code>Log Number Per Minute</code>:IoTDB 进程平均每分钟日志数</li><li><code>The Time Consumed of Compliation Per Minute</code>:平均每分钟编译耗时</li><li><code>The Number Of Class</code>:JVM 加载和卸载的类数量</li></ul></li></ul><h3 id="_5-3-使用-iotdb-方式" tabindex="-1"><a class="header-anchor" href="#_5-3-使用-iotdb-方式" aria-hidden="true">#</a> 5.3. 使用 IoTDB 方式</h3><h4 id="_5-3-1-监控指标的-iotdb-映射关系" tabindex="-1"><a class="header-anchor" href="#_5-3-1-监控指标的-iotdb-映射关系" aria-hidden="true">#</a> 5.3.1. 监控指标的 IoTDB 映射关系</h4><blockquote><p>对于 Metric Name 为 name, Tags 为 K1=V1, ..., Kn=Vn 的监控指标有如下映射,以默认写到 root.__system.metric.<code>ip:port</code> 为例</p></blockquote><table><thead><tr><th>监控指标类型</th><th>映射关系</th></tr></thead><tbody><tr><td>Counter</td><td>root.__system.metric.<code>ip:port</code>.name.<code>K1=V1</code>...<code>Kn=Vn</code>.value</td></tr><tr><td>AutoGauge、Gauge</td><td>root.__system.metric.<code>ip:port</code>.name.<code>K1=V1</code>...<code>Kn=Vn</code>.value</td></tr><tr><td>Histogram</td><td>root.__system.metric.<code>ip:port</code>.name.<code>K1=V1</code>...<code>Kn=Vn</code>.count <br> root.__system.metric.<code>ip:port</code>.name.<code>K1=V1</code>...<code>Kn=Vn</code>.max <br> root.__system.metric.<code>ip:port</code>.name.<code>K1=V1</code>...<code>Kn=Vn</code>.sum <br> root.__system.metric.<code>ip:port</code>.name.<code>K1=V1</code>...<code>Kn=Vn</code>.p0 <br> root.__system.metric.<code>ip:port</code>.name.<code>K1=V1</code>...<code>Kn=Vn</code>.p25 <br> root.__system.metric.<code>ip:port</code>.name.<code>K1=V1</code>...<code>Kn=Vn</code>.p50 <br> root.__system.metric.<code>ip:port</code>.name.<code>K1=V1</code>...<code>Kn=Vn</code>.p75 <br> root.__system.metric.<code>ip:port</code>.name.<code>K1=V1</code>...<code>Kn=Vn</code>.p100</td></tr><tr><td>Rate</td><td>root.__system.metric.<code>ip:port</code>.name.<code>K1=V1</code>...<code>Kn=Vn</code>.count <br> root.__system.metric.<code>ip:port</code>.name.<code>K1=V1</code>...<code>Kn=Vn</code>.mean <br> root.__system.metric.<code>ip:port</code>.name.<code>K1=V1</code>...<code>Kn=Vn</code>.m1 <br> root.__system.metric.<code>ip:port</code>.name.<code>K1=V1</code>...<code>Kn=Vn</code>.m5 <br> root.__system.metric.<code>ip:port</code>.name.<code>K1=V1</code>...<code>Kn=Vn</code>.m15</td></tr><tr><td>Timer</td><td>root.__system.metric.<code>ip:port</code>.name.<code>K1=V1</code>...<code>Kn=Vn</code>.count <br> root.__system.metric.<code>ip:port</code>.name.<code>K1=V1</code>...<code>Kn=Vn</code>.max <br> root.__system.metric.<code>ip:port</code>.name.<code>K1=V1</code>...<code>Kn=Vn</code>.mean <br> root.__system.metric.<code>ip:port</code>.name.<code>K1=V1</code>...<code>Kn=Vn</code>.sum <br> root.__system.metric.<code>ip:port</code>.name.<code>K1=V1</code>...<code>Kn=Vn</code>.p0 <br> root.__system.metric.<code>ip:port</code>.name.<code>K1=V1</code>...<code>Kn=Vn</code>.p25 <br> root.__system.metric.<code>ip:port</code>.name.<code>K1=V1</code>...<code>Kn=Vn</code>.p50 <br> root.__system.metric.<code>ip:port</code>.name.<code>K1=V1</code>...<code>Kn=Vn</code>.p75 <br> root.__system.metric.<code>ip:port</code>.name.<code>K1=V1</code>...<code>Kn=Vn</code>.p100 <br> root.__system.metric.<code>ip:port</code>.name.<code>K1=V1</code>...<code>Kn=Vn</code>.m1 <br> root.__system.metric.<code>ip:port</code>.name.<code>K1=V1</code>...<code>Kn=Vn</code>.m5 <br> root.__system.metric.<code>ip:port</code>.name.<code>K1=V1</code>...<code>Kn=Vn</code>.m15</td></tr></tbody></table><h4 id="_5-3-2-获取监控指标" tabindex="-1"><a class="header-anchor" href="#_5-3-2-获取监控指标" aria-hidden="true">#</a> 5.3.2. 获取监控指标</h4><p>根据如上的映射关系,可以构成相关的 IoTDB 查询语句获取监控指标</p></div><!----><footer class="page-meta"><div class="meta-item edit-link"><a href="https://github.com/apache/iotdb/edit/rel/1.0/docs/zh/UserGuide/Monitor-Alert/Metric-Tool.md" rel="noopener noreferrer" target="_blank" aria-label="发现错误?在 GitHub 上编辑此页" class="nav-link label"><!--[--><svg xmlns="http://www.w3.org/2000/svg" class="icon edit-icon" viewBox="0 0 1024 1024" fill="currentColor" aria-label="edit icon"><path d="M430.818 653.65a60.46 60.46 0 0 1-50.96-93.281l71.69-114.012 7.773-10.365L816.038 80.138A60.46 60.46 0 0 1 859.225 62a60.46 60.46 0 0 1 43.186 18.138l43.186 43.186a60.46 60.46 0 0 1 0 86.373L588.879 565.55l-8.637 8.637-117.466 68.234a60.46 60.46 0 0 1-31.958 11.229z"></path><path d="M728.802 962H252.891A190.883 190.883 0 0 1 62.008 771.98V296.934a190.883 190.883 0 0 1 190.883-192.61h267.754a60.46 60.46 0 0 1 0 120.92H252.891a69.962 69.962 0 0 0-69.098 69.099V771.98a69.962 69.962 0 0 0 69.098 69.098h475.911A69.962 69.962 0 0 0 797.9 771.98V503.363a60.46 60.46 0 1 1 120.922 0V771.98A190.883 190.883 0 0 1 728.802 962z"></path></svg><!--]-->发现错误?在 GitHub 上编辑此页<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">open in new window</span></span><!----></a></div><div class="meta-item git-info"><!----><!----></div></footer><nav class="page-nav"><!----><a href="/zh/UserGuide/V1.0.x/Monitor-Alert/Alerting.html" class="nav-link next" aria-label="告警机制"><div class="hint">下一页<span class="arrow end"></span></div><div class="link">告警机制<!----></div></a></nav><!----><!----><!--]--></main><!--]--><footer style="padding-bottom:2rem;"><span id="doc-version" style="display:none;">rel/1.0</span><p style="text-align:center;color:#909399;font-size:12px;margin:0 30px;">Copyright © 2023 The Apache Software Foundation.<br> Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p><p style="text-align:center;margin-top:10px;color:#909399;font-size:12px;margin:0 30px;"><strong>Have a question?</strong> Connect with us on QQ, WeChat, or Slack. <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> now.</p><p style="text-align:center;margin-top:10px;color:#909399;font-size:12px;margin:0 30px;"> We use <a href="https://analytics.google.com">Google Analytics</a> to collect anonymous, aggregated usage information. </p></footer></div><!--]--><!--]--><!----><!--]--></div> |
| <script type="module" src="/assets/app-f2ec2f8e.js" defer></script> |
| </body> |
| </html> |