https://www.yangwuyu.com/学习笔记https://www.yangwuyu.com/?id=11<p><ne-clipboard 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source="https%3A%2F%2Faliyuque.antfin.com%2Fywy02356160%2Fbook%2Fkwlisaxbmf55uiwd"></ne-clipboard></p><div class="lake-content" typography="classic"><p id="ubd55c1d0" class="ne-p" style="margin: 0; padding: 0; min-height: 24px"><span class="ne-text" style="color: #1A2B4A;">Aurora 是阿里云 RDS 的集中式高可用决策与切换平台，采用五层架构 + CDDT 闭环（Check → Diagnose → Decision → Treat），通过 Flow 引擎（XML 编排）驱动切换流程，支持 MySQL、PostgreSQL、MongoDB、Redis、SQLServer、PolarDB 等 11 种数据库引擎。</span><span class="ne-text" style="color: #262626;">对实例进行</span><strong><span class="ne-text" style="color: #1A2B4A;">持续健康探测、故障诊断、自动切换、自愈修复</span></strong><span class="ne-text" style="color: #262626;">。</span></p></div><p><ne-clipboard 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2name%22%3A%22%23text%22%2C%22attrs%22%3A%7B%22color%22%3A%22rgb(38%2C%2038%2C%2038)%22%2C%22fontsize%22%3A14%7D%2C%22data%22%3A%22%E5%88%86%E6%9E%90%E6%A0%B9%E5%9B%A0%EF%BC%88%E4%B8%BB%E5%BA%93%E5%AE%95%E6%9C%BA%E3%80%81%E6%8C%82%E8%B5%B7%E3%80%81%E7%BD%91%E7%BB%9C%E8%B6%85%E6%97%B6%E7%AD%89%EF%BC%89%22%7D%5D%7D%2C%7B%22type%22%3A%22element%22%2C%22id%22%3A%22uc7b810e7%22%2C%22name%22%3A%22oli%22%2C%22attrs%22%3A%7B%22list%22%3A%22u4a6b2bff%22%2C%22fid%22%3A%22ub1aad7ec%22%2C%22indexStyle%22%3A%7B%22fontsize%22%3A14%7D%2C%22indexType%22%3A0%2C%22parentIndex%22%3A%5B%5D%2C%22index%22%3A2%7D%2C%22children%22%3A%5B%7B%22type%22%3A%22text%22%2C%22id%22%3A%22u236b6417%22%2C%22name%22%3A%22%23text%22%2C%22attrs%22%3A%7B%22bold%22%3Atrue%2C%22color%22%3A%22rgb(26%2C%2043%2C%2074)%22%2C%22fontsize%22%3A14%7D%2C%22data%22%3A%22%E5%86%B3%E7%AD%96%E5%B1%82%22%7D%2C%7B%22type%22%3A%22text%22%2C%22id%22%3A%22u834fb2cd%22%2C%22name%22%3A%22%23text%22%2C%22attrs%22%3A%7B%22color%22%3A%22rgb(38%2C%2038%2C%2038)%22%2C%22fontsize%22%3A14%7D%2C%22data%22%3A%22%E6%A3%80%E6%9F%A5%E7%86%94%E6%96%AD%E3%80%81%E9%A2%91%E7%8E%87%E9%99%90%E5%88%B6%E7%AD%89%E5%89%8D%E7%BD%AE%E6%9D%A1%E4%BB%B6%EF%BC%8C%E5%86%B3%E5%AE%9A%E6%98%AF%E5%90%A6%E5%88%87%E6%8D%A2%22%7D%5D%7D%2C%7B%22type%22%3A%22element%22%2C%22id%22%3A%22uff3fbf04%22%2C%22name%22%3A%22oli%22%2C%22attrs%22%3A%7B%22list%22%3A%22u4a6b2bff%22%2C%22fid%22%3A%22ub1aad7ec%22%2C%22indexStyle%22%3A%7B%22fontsize%22%3A14%7D%2C%22indexType%22%3A0%2C%22parentIndex%22%3A%5B%5D%2C%22index%22%3A3%7D%2C%22children%22%3A%5B%7B%22type%22%3A%22text%22%2C%22id%22%3A%22u744b4fc3%22%2C%22name%22%3A%22%23text%22%2C%22attrs%22%3A%7B%22bold%22%3Atrue%2C%22color%22%3A%22rgb(26%2C%2043%2C%2074)%22%2C%22fontsize%22%3A14%7D%2C%22data%22%3A%22%E4%BF%AE%E5%A4%8D%E5%B1%82%22%7D%2C%7B%22type%22%3A%22text%22%2C%22id%22%3A%22ueb160c49%22%2C%22name%22%3A%22%23text%22%2C%22attrs%22%3A%7B%22color%22%3A%22rgb(38%2C%2038%2C%2038)%22%2C%22fontsize%22%3A14%7D%2C%22data%22%3A%22%E9%80%9A%E8%BF%87%20Flow%20%E5%BC%95%E6%93%8E%E9%A9%B1%E5%8A%A8%2010%20%E6%AD%A5%E6%A0%87%E5%87%86%E5%88%87%E6%8D%A2%E6%B5%81%E7%A8%8B%EF%BC%88FindTargetSlave%20%E2%86%92%20ChangeMaster%20%E2%86%92%20VipSwitch%20%E7%AD%89%EF%BC%89%22%7D%5D%7D%2C%7B%22type%22%3A%22element%22%2C%22id%22%3A%22u12f7f30a%22%2C%22name%22%3A%22oli%22%2C%22attrs%22%3A%7B%22list%22%3A%22u4a6b2bff%22%2C%22fid%22%3A%22ub1aad7ec%22%2C%22indexStyle%22%3A%7B%22fontsize%22%3A14%7D%2C%22indexType%22%3A0%2C%22parentIndex%22%3A%5B%5D%2C%22index%22%3A4%7D%2C%22children%22%3A%5B%7B%22type%22%3A%22text%22%2C%22id%22%3A%22u0a90578b%22%2C%22name%22%3A%22%23text%22%2C%22attrs%22%3A%7B%22color%22%3A%22rgb(38%2C%2038%2C%2038)%22%2C%22fontsize%22%3A14%7D%2C%22data%22%3A%22%E6%95%B4%E4%B8%AA%E8%BF%87%E7%A8%8B%E9%80%9A%E8%BF%87%20%22%7D%2C%7B%22type%22%3A%22text%22%2C%22id%22%3A%22u6c31174a%22%2C%22name%22%3A%22%23text%22%2C%22attrs%22%3A%7B%22bold%22%3Atrue%2C%22color%22%3A%22rgb(26%2C%2043%2C%2074)%22%2C%22fontsize%22%3A14%7D%2C%22data%22%3A%22JGroups%2FRaft%22%7D%2C%7B%22type%22%3A%22text%22%2C%22id%22%3A%22ud1a616da%22%2C%22name%22%3A%22%23text%22%2C%22attrs%22%3A%7B%22color%22%3A%22rgb(38%2C%2038%2C%2038)%22%2C%22fontsize%22%3A14%7D%2C%22data%22%3A%22%20%E5%9C%A8%20Aurora%20%E9%9B%86%E7%BE%A4%E8%8A%82%E7%82%B9%E9%97%B4%E5%8D%8F%E8%B0%83%EF%BC%8C%E5%88%87%E6%8D%A2%E8%AE%B0%E5%BD%95%E6%8C%81%E4%B9%85%E5%8C%96%E5%88%B0%20%22%7D%2C%7B%22type%22%3A%22text%22%2C%22id%22%3A%22u8dd451d8%22%2C%22name%22%3A%22%23text%22%2C%22attrs%22%3A%7B%22bold%22%3Atrue%2C%22color%22%3A%22rgb(26%2C%2043%2C%2074)%22%2C%22fontsize%22%3A14%7D%2C%22data%22%3A%22MetaDB%22%7D%5D%7D%5D%2C%22attrs%22%3A%7B%7D%7D" source="https%3A%2F%2Faliyuque.antfin.com%2Fywy02356160%2Fbook%2Fkwlisaxbmf55uiwd"></ne-clipboard></p><div class="lake-content" typography="classic"><h2 id="Wq0Nz" style="font-size: 24px; line-height: 32px; margin: 21px 0 5px 0"><span class="ne-text" style="color: #1A2B4A">一、五层架构</span></h2><pre data-language="plain" id="uQteN" class="ne-codeblock language-plain" style="border: 1px solid #e8e8e8; border-radius: 2px; background: #f9f9f9; padding: 16px; font-size: 13px; color: #595959">┌──────────────────────────────────────────────────────────────┐ │&nbsp;⑤&nbsp;接入与运维层&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;杜康控制台&nbsp;/&nbsp;REST&nbsp;API&nbsp;/&nbsp;aurora-tool&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;│ │&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;HA&nbsp;日志页、切换详情弹窗、运维建议&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;│ ├──────────────────────────────────────────────────────────────┤ │&nbsp;④&nbsp;引擎适配层&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;aurora-mysql（最完整的引擎适配模块）&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;│ │&nbsp;&nbsp;&nbsp;(Engine&nbsp;Adapter)&nbsp;&nbsp;check/mysql/&nbsp;·&nbsp;treat/mysql/&nbsp;·&nbsp;...&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;│ ├──────────────────────────────────────────────────────────────┤ │&nbsp;③&nbsp;业务能力层&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Check&nbsp;→&nbsp;Diagnose&nbsp;→&nbsp;Decision&nbsp;→&nbsp;Treat&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;│ │&nbsp;&nbsp;&nbsp;(Capabilities)&nbsp;&nbsp;&nbsp;Flow&nbsp;引擎（XML&nbsp;编排切换步骤序列）&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;│ │&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Notify&nbsp;·&nbsp;Integrate&nbsp;·&nbsp;Persistent&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;│ ├──────────────────────────────────────────────────────────────┤ │&nbsp;②&nbsp;平台框架层&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;aurora-framework（核心骨架）&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;│ │&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;aurora-communicate（JGroups/Raft&nbsp;选主）&nbsp;&nbsp;&nbsp;&nbsp;│ │&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;aurora-runtime&nbsp;/&nbsp;aurora-graphdb&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;│ ├──────────────────────────────────────────────────────────────┤ │&nbsp;①&nbsp;基础设施层&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;aurora-config&nbsp;/&nbsp;aurora-client&nbsp;/&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;│ │&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;aurora-server&nbsp;/&nbsp;aurora-security&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;│ └──────────────────────────────────────────────────────────────┘</pre><h2 id="qyDKR" style="font-size: 24px; line-height: 32px; margin: 21px 0 5px 0"><span class="ne-text">二、</span><span class="ne-text" style="color: #1A2B4A">核心闭环：CDDT（Check-Diagnose-Decision-Treat）</span></h2><table id="oSTJ2" class="ne-table" width="681"><tbody><tr style="height: 33px" class="firstRow"><td width="108" style="border-color: rgb(217, 217, 217); background-color: rgb(245, 247, 250);"><p id="u045cd773" class="ne-p" style="min-height: 24px;"><strong><span class="ne-text" style="color: #1A2B4A; font-size: 13px">阶段</span></strong></p></td><td width="83" style="border-color: rgb(217, 217, 217); background-color: rgb(245, 247, 250);"><p id="uc9aabbca" class="ne-p" style="min-height: 24px;"><strong><span class="ne-text" style="color: #1A2B4A; font-size: 13px">类比</span></strong></p></td><td width="490" style="border-color: rgb(217, 217, 217); background-color: rgb(245, 247, 250);"><p id="u32a0f2fb" class="ne-p" style="min-height: 24px;"><strong><span class="ne-text" style="color: #1A2B4A; font-size: 13px">MySQL 场景下的具体行为</span></strong></p></td></tr><tr style="height: 33px"><td width="108" style="border-color: rgb(217, 217, 217);"><p id="u64b55a93" class="ne-p" style="min-height: 24px;"><strong><span class="ne-text" style="color: #1A2B4A; font-size: 13px">Check</span></strong><span class="ne-text" style="color: #262626; font-size: 13px">（探测）</span></p></td><td width="83" style="border-color: rgb(217, 217, 217);"><p id="uc820926d" class="ne-p" style="min-height: 24px;"><span class="ne-text" style="color: #262626; font-size: 13px">心电监护仪</span></p></td><td width="490" style="border-color: rgb(217, 217, 217);"><p id="u2086499e" class="ne-p" style="min-height: 24px;"><span class="ne-text" style="color: #262626; font-size: 13px">定时连接 MySQL 执行</span><span class="ne-text" style="color: #262626; font-size: 13px"> </span><code class="ne-code" style="font-family: SFMono-Regular, Consolas, Liberation Mono, Menlo, Courier, monospace; background-color: rgba(0, 0, 0, 0.06); border: 1px solid rgba(0, 0, 0, 0.08); border-radius: 2px; padding: 0px 2px"><span class="ne-text" style="color: #1677FF; background-color: #F0F4FF; font-size: 13px">SHOW SLAVE STATUS</span></code></p><p id="u7bf56db3" class="ne-p" style="min-height: 24px;"><span class="ne-text" style="color: #262626; font-size: 13px">、</span><code class="ne-code" style="font-family: SFMono-Regular, Consolas, Liberation Mono, Menlo, Courier, monospace; background-color: rgba(0, 0, 0, 0.06); border: 1px solid rgba(0, 0, 0, 0.08); border-radius: 2px; padding: 0px 2px"><span class="ne-text" style="color: #1677FF; background-color: #F0F4FF; font-size: 13px">SELECT 1</span></code></p><p id="ub02662a3" class="ne-p" style="min-height: 24px;"><span class="ne-text" style="color: #262626; font-size: 13px"> </span><span class="ne-text" style="color: #262626; font-size: 13px">心跳检测，发现</span><span class="ne-text" style="color: #262626; font-size: 13px"> </span><code class="ne-code" style="font-family: SFMono-Regular, Consolas, Liberation Mono, Menlo, Courier, monospace; background-color: rgba(0, 0, 0, 0.06); border: 1px solid rgba(0, 0, 0, 0.08); border-radius: 2px; padding: 0px 2px"><span class="ne-text" style="color: #1677FF; background-color: #F0F4FF; font-size: 13px">MASTER_DOWN</span></code></p><p id="u0fe084bc" class="ne-p" style="min-height: 24px;"><span class="ne-text" style="color: #262626; font-size: 13px">、</span><code class="ne-code" style="font-family: SFMono-Regular, Consolas, Liberation Mono, Menlo, Courier, monospace; background-color: rgba(0, 0, 0, 0.06); border: 1px solid rgba(0, 0, 0, 0.08); border-radius: 2px; padding: 0px 2px"><span class="ne-text" style="color: #1677FF; background-color: #F0F4FF; font-size: 13px">MASTER_HANG</span></code></p><p id="u33db580c" class="ne-p" style="min-height: 24px;"><span class="ne-text" style="color: #262626; font-size: 13px">、</span><code class="ne-code" style="font-family: SFMono-Regular, Consolas, Liberation Mono, Menlo, Courier, monospace; background-color: rgba(0, 0, 0, 0.06); border: 1px solid rgba(0, 0, 0, 0.08); border-radius: 2px; padding: 0px 2px"><span class="ne-text" style="color: #1677FF; background-color: #F0F4FF; font-size: 13px">TCP_TIMEOUT</span></code></p><p id="u655319b4" class="ne-p" style="min-height: 24px;"><span class="ne-text" style="color: #262626; font-size: 13px"> </span><span class="ne-text" style="color: #262626; font-size: 13px">等异常</span></p></td></tr><tr style="height: 33px"><td width="108" style="border-color: rgb(217, 217, 217); background-color: rgb(250, 251, 252);"><p id="u9cbc0ea0" class="ne-p" style="min-height: 24px;"><strong><span class="ne-text" style="color: #1A2B4A; font-size: 13px">Diagnose</span></strong><span class="ne-text" style="color: #262626; font-size: 13px">（诊断）</span></p></td><td width="83" style="border-color: rgb(217, 217, 217); background-color: rgb(250, 251, 252);"><p id="u250004b7" class="ne-p" style="min-height: 24px;"><span class="ne-text" style="color: #262626; font-size: 13px">CT/MRI</span></p></td><td width="490" style="border-color: rgb(217, 217, 217); background-color: rgb(250, 251, 252);"><p id="u2e2f0053" class="ne-p" style="min-height: 24px;"><span class="ne-text" style="color: #262626; font-size: 13px">对异常做根因分析，通过</span><span class="ne-text" style="color: #262626; font-size: 13px"> </span><code class="ne-code" style="font-family: SFMono-Regular, Consolas, Liberation Mono, Menlo, Courier, monospace; background-color: rgba(0, 0, 0, 0.06); border: 1px solid rgba(0, 0, 0, 0.08); border-radius: 2px; padding: 0px 2px"><span class="ne-text" style="color: #1677FF; background-color: #F0F4FF; font-size: 13px">HaCauseReactor</span></code></p><p id="ue4e39d97" class="ne-p" style="min-height: 24px;"><span class="ne-text" style="color: #262626; font-size: 13px"> </span><span class="ne-text" style="color: #262626; font-size: 13px">推断原因码，如</span><span class="ne-text" style="color: #262626; font-size: 13px"> </span><code class="ne-code" style="font-family: SFMono-Regular, Consolas, Liberation Mono, Menlo, Courier, monospace; background-color: rgba(0, 0, 0, 0.06); border: 1px solid rgba(0, 0, 0, 0.08); border-radius: 2px; padding: 0px 2px"><span class="ne-text" style="color: #1677FF; background-color: #F0F4FF; font-size: 13px">SlaveTimestampLag</span></code></p><p id="u85c1a53e" class="ne-p" style="min-height: 24px;"><span class="ne-text" style="color: #262626; font-size: 13px">、</span><code class="ne-code" style="font-family: SFMono-Regular, Consolas, Liberation Mono, Menlo, Courier, monospace; background-color: rgba(0, 0, 0, 0.06); border: 1px solid rgba(0, 0, 0, 0.08); border-radius: 2px; padding: 0px 2px"><span class="ne-text" style="color: #1677FF; background-color: #F0F4FF; font-size: 13px">MasterHeartbeatNotFound</span></code></p></td></tr><tr style="height: 33px"><td width="108" style="border-color: rgb(217, 217, 217);"><p id="ub0ca866b" class="ne-p" style="min-height: 24px;"><strong><span class="ne-text" style="color: #1A2B4A; font-size: 13px">Decision</span></strong><span class="ne-text" style="color: #262626; font-size: 13px">（决策）</span></p></td><td width="83" style="border-color: rgb(217, 217, 217);"><p id="u02ae2bdb" class="ne-p" style="min-height: 24px;"><span class="ne-text" style="color: #262626; font-size: 13px">主治医师</span></p></td><td width="490" style="border-color: rgb(217, 217, 217);"><p id="u4b924ea9" class="ne-p" style="min-height: 24px;"><span class="ne-text" style="color: #262626; font-size: 13px">判断是否触发切换，检查熔断器（30 分钟 3 次熔断）、频率限制（20 分钟 5 次）、HA 是否被禁用等前置条件</span></p></td></tr><tr style="height: 33px"><td width="108" style="border-color: rgb(217, 217, 217); background-color: rgb(250, 251, 252);"><p id="u6854e07c" class="ne-p" style="min-height: 24px;"><strong><span class="ne-text" style="color: #1A2B4A; font-size: 13px">Treat</span></strong><span class="ne-text" style="color: #262626; font-size: 13px">（修复）</span></p></td><td width="83" style="border-color: rgb(217, 217, 217); background-color: rgb(250, 251, 252);"><p id="u5580f141" class="ne-p" style="min-height: 24px;"><span class="ne-text" style="color: #262626; font-size: 13px">手术室</span></p></td><td width="490" style="border-color: rgb(217, 217, 217); background-color: rgb(250, 251, 252);"><p id="u27799f6b" class="ne-p" style="min-height: 24px;"><span class="ne-text" style="color: #262626; font-size: 13px">执行 MySQL 主备切换，包括</span><span class="ne-text" style="color: #262626; font-size: 13px"> </span><code class="ne-code" style="font-family: SFMono-Regular, Consolas, Liberation Mono, Menlo, Courier, monospace; background-color: rgba(0, 0, 0, 0.06); border: 1px solid rgba(0, 0, 0, 0.08); border-radius: 2px; padding: 0px 2px"><span class="ne-text" style="color: #1677FF; background-color: #F0F4FF; font-size: 13px">ChangeMaster</span></code></p><p id="u450a14db" class="ne-p" style="min-height: 24px;"><span class="ne-text" style="color: #262626; font-size: 13px">、</span><code class="ne-code" style="font-family: SFMono-Regular, Consolas, Liberation Mono, Menlo, Courier, monospace; background-color: rgba(0, 0, 0, 0.06); border: 1px solid rgba(0, 0, 0, 0.08); border-radius: 2px; padding: 0px 2px"><span class="ne-text" style="color: #1677FF; background-color: #F0F4FF; font-size: 13px">VipSwitch</span></code></p><p id="u6a3866fb" class="ne-p" style="min-height: 24px;"><span class="ne-text" style="color: #262626; font-size: 13px">、</span><code class="ne-code" style="font-family: SFMono-Regular, Consolas, Liberation Mono, Menlo, Courier, monospace; background-color: rgba(0, 0, 0, 0.06); border: 1px solid rgba(0, 0, 0, 0.08); border-radius: 2px; padding: 0px 2px"><span class="ne-text" style="color: #1677FF; background-color: #F0F4FF; font-size: 13px">MaintainMetadata</span></code></p><p id="u98686138" class="ne-p" style="min-height: 24px;"><span class="ne-text" style="color: #262626; font-size: 13px"> </span><span class="ne-text" style="color: #262626; font-size: 13px">等步骤</span></p></td></tr></tbody></table><pre data-language="plain" id="AloaR" class="ne-codeblock language-plain" style="border: 1px solid #e8e8e8; border-radius: 2px; background: #f9f9f9; padding: 16px; font-size: 13px; color: #595959">&nbsp;&nbsp;&nbsp;┌─────────┐&nbsp;&nbsp;&nbsp;MASTER_DOWN&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;┌──────────┐&nbsp;&nbsp;&nbsp;根因码&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;┌─────────┐ &nbsp;&nbsp;&nbsp;│&nbsp;&nbsp;Check&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;│───────────────▶&nbsp;│&nbsp;Diagnose&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;│&nbsp;───────────▶&nbsp;│&nbsp;Decision&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;│ &nbsp;&nbsp;&nbsp;│&nbsp;探测层&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;│&nbsp;&nbsp;&nbsp;&nbsp;(异常事件)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;│&nbsp;根因分析&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;│&nbsp;(判定为可切换)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;│&nbsp;&nbsp;&nbsp;决策&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;│ &nbsp;&nbsp;&nbsp;└─────────┘&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;└──────────┘&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;└────┬────┘ &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;▲&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;│ &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;│&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;│&nbsp;提交策略 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;│&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;┌──────────┐&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;▼ &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;└──────────────────│&nbsp;&nbsp;Treat&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;│◀──────────────&nbsp;&nbsp;submit&nbsp;strategy &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;切换完成&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;│&nbsp;切换执行&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;│&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Flow&nbsp;引擎驱动 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;└──────────┘ &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;▲ &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;│&nbsp;XML&nbsp;编排的步骤序列 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;│&nbsp;支持事务回滚、重试</pre><h2 id="BVNLs" style="font-size: 24px; line-height: 32px; margin: 21px 0 5px 0"><span class="ne-text" style="color: #1A2B4A">三、 MySQL 切换标准步骤序列</span></h2><p id="u52a526be" class="ne-p" style="margin: 0; padding: 0; min-height: 24px"><span class="ne-text" style="color: #262626;">当 Decision 判定需要切换后，Flow 引擎驱动以下步骤（记录在</span><span class="ne-text" style="color: #262626;"> </span><code class="ne-code" style="font-family: SFMono-Regular, Consolas, Liberation Mono, Menlo, Courier, monospace; background-color: rgba(0, 0, 0, 0.06); border: 1px solid rgba(0, 0, 0, 0.08); border-radius: 2px; padding: 0px 2px"><span class="ne-text" style="color: #1677FF; background-color: #F0F4FF;">aurora_switch_detail</span></code><span class="ne-text" style="color: #262626;"> </span><span class="ne-text" style="color: #262626;">表中）：</span></p><pre data-language="plain" id="VbNwe" class="ne-codeblock language-plain" style="border: 1px solid #e8e8e8; border-radius: 2px; background: #f9f9f9; padding: 16px; font-size: 13px; color: #595959">①&nbsp;diagnose&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;→&nbsp;诊断确认主库故障 ②&nbsp;FindTargetSlave&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;→&nbsp;找到最优备库（延迟最小、数据最完整） ③&nbsp;CheckSlaveReplication&nbsp;→&nbsp;检查备库复制状态 ④&nbsp;CheckTimestampDelta&nbsp;&nbsp;&nbsp;→&nbsp;检查主备时间戳差异 ⑤&nbsp;SetMasterReadonly&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;→&nbsp;将原主库设为只读（防止脑裂） ⑥&nbsp;MasterPosWait&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;→&nbsp;等待备库追平主库位点 ⑦&nbsp;ChangeMaster&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;→&nbsp;执行&nbsp;CHANGE&nbsp;MASTER&nbsp;TO，切换主备关系 ⑧&nbsp;MaintainMetadata&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;→&nbsp;更新&nbsp;MetaDB&nbsp;元数据 ⑨&nbsp;LinkApiSwitch/VipSwitch&nbsp;→&nbsp;VIP&nbsp;漂移&nbsp;/&nbsp;API&nbsp;层面切换 ⑩&nbsp;SaveSwitchProcedure&nbsp;&nbsp;&nbsp;→&nbsp;持久化切换记录到&nbsp;MetaDB</pre><p id="u85f58304" class="ne-p" style="margin: 0; padding: 0; min-height: 24px"><strong><span class="ne-text" style="color: #1A2B4A;">每个步骤的耗时（毫秒级）</span></strong><span class="ne-text" style="color: #262626;"> 都会记录在 </span><code class="ne-code" style="font-family: SFMono-Regular, Consolas, Liberation Mono, Menlo, Courier, monospace; background-color: rgba(0, 0, 0, 0.06); border: 1px solid rgba(0, 0, 0, 0.08); border-radius: 2px; padding: 0px 2px"><span class="ne-text" style="color: #1677FF; background-color: #F0F4FF">aurora_switch_detail.switch_step_during</span></code><span class="ne-text" style="color: #262626;"> 中，可在杜康控制台切换详情弹窗查看。</span></p><h2 id="mmdMz" style="font-size: 24px; line-height: 32px; margin: 21px 0 5px 0"><span class="ne-text" style="color: #262626">四、</span><span class="ne-text" style="color: #1A2B4A">集群部署拓扑</span></h2><p id="ue8742f90" class="ne-p" style="margin: 0; padding: 0; min-height: 24px"><span class="ne-text" style="color: #262626;">Aurora 本身以多节点集群方式部署，通过</span><span class="ne-text" style="color: #262626;"> </span><strong><span class="ne-text" style="color: #1A2B4A;">JGroups/Raft</span></strong><span class="ne-text" style="color: #262626;"> </span><span class="ne-text" style="color: #262626;">实现选主和集群通信：</span></p><pre data-language="plain" id="xe55D" class="ne-codeblock language-plain" style="border: 1px solid #e8e8e8; border-radius: 2px; background: #f9f9f9; padding: 16px; font-size: 13px; color: #595959">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;┌──────────────────────────────────────────────┐ &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;│&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;MetaDB（共享元信息库）&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;│ &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;│&nbsp;&nbsp;aurora_switch_log&nbsp;/&nbsp;aurora_list&nbsp;/&nbsp;bakowner&nbsp;&nbsp;&nbsp;│ &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;│&nbsp;&nbsp;cust_instance&nbsp;/&nbsp;aurora_request&nbsp;/&nbsp;...&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;│ &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;└──────────────────────────────────────────────┘ &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;▲&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;▲&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;▲ &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;│&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;│&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;│&nbsp;心跳每&nbsp;1s&nbsp;写一次 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;┌────┴────┐&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;┌────┴────┐&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;┌────┴────┐ &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;│Aurora-1&nbsp;│◀────▶│Aurora-2&nbsp;│◀────▶│Aurora-N&nbsp;│ &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;│（主）&nbsp;&nbsp;&nbsp;│&nbsp;JG/&nbsp;&nbsp;│（备）&nbsp;&nbsp;&nbsp;│&nbsp;Raft&nbsp;│（备）&nbsp;&nbsp;&nbsp;│ &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;└─────────┘&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;└─────────┘&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;└─────────┘ &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;│&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;│&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;│ &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;▼&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;▼&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;▼ &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;┌──────────────────────────────────────────────┐ &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;│&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;MySQL&nbsp;实例（主&nbsp;+&nbsp;备&nbsp;+&nbsp;只读）&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;│ &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;│&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Proxy&nbsp;层（MaxScale&nbsp;/&nbsp;LVS）&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;│ &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;└──────────────────────────────────────────────┘</pre><p id="ub208fadb" class="ne-p" style="margin: 0; padding: 0; min-height: 24px"><strong><span class="ne-text" style="color: #1A2B4A;">关键集群参数：</span></strong></p><ul class="ne-ul list-paddingleft-2" style="padding-left: 23px;"><li><p><code class="ne-code" style="font-family: SFMono-Regular, Consolas, Liberation Mono, Menlo, Courier, monospace; background-color: rgba(0, 0, 0, 0.06); border: 1px solid rgba(0, 0, 0, 0.08); border-radius: 2px; padding: 0px 2px"><span class="ne-text" style="color: #1677FF; background-color: #F0F4FF;">heartbeat_check_interval=1</span></code><span class="ne-text" style="color: #262626;"> </span><span class="ne-text" style="color: #262626;">— 心跳写入 MetaDB 间隔（1 秒）</span></p></li><li><p><code class="ne-code" style="font-family: SFMono-Regular, Consolas, Liberation Mono, Menlo, Courier, monospace; background-color: rgba(0, 0, 0, 0.06); border: 1px solid rgba(0, 0, 0, 0.08); border-radius: 2px; padding: 0px 2px"><span class="ne-text" style="color: #1677FF; background-color: #F0F4FF;">ha_check_interval=60</span></code><span class="ne-text" style="color: #262626;"> </span><span class="ne-text" style="color: #262626;">— Aurora 节点间健康检查间隔</span></p></li><li><p><code class="ne-code" style="font-family: SFMono-Regular, Consolas, Liberation Mono, Menlo, Courier, monospace; background-color: rgba(0, 0, 0, 0.06); border: 1px solid rgba(0, 0, 0, 0.08); border-radius: 2px; padding: 0px 2px"><span class="ne-text" style="color: #1677FF; background-color: #F0F4FF;">ha_autobalance_interval=600</span></code><span class="ne-text" style="color: #262626;"> — 节点间负载均衡间隔</span></p></li></ul><h2 id="rQmS4" style="font-size: 24px; line-height: 32px; margin: 21px 0 5px 0"><span class="ne-text" style="color: #1A2B4A">五、MySQL 引擎适配模块结构</span></h2><p id="ube10c571" class="ne-p" style="margin: 0; padding: 0; min-height: 24px"><code class="ne-code" style="font-family: SFMono-Regular, Consolas, Liberation Mono, Menlo, Courier, monospace; background-color: rgba(0, 0, 0, 0.06); border: 1px solid rgba(0, 0, 0, 0.08); border-radius: 2px; padding: 0px 2px"><span class="ne-text" style="color: #1677FF; background-color: #F0F4FF;">aurora-mysql</span></code><span class="ne-text" style="color: #262626;"> </span><span class="ne-text" style="color: #262626;">是 Aurora 所有引擎适配中最完整的模块，遵循统一目录范式：</span></p><pre data-language="plain" id="knplk" class="ne-codeblock language-plain" style="border: 1px solid #e8e8e8; border-radius: 2px; background: #f9f9f9; padding: 16px; font-size: 13px; color: #595959">aurora-mysql/src/main/java/com/aliyun/rds/ha/cluster/ ├──&nbsp;check/mysql/&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;→&nbsp;MySQL&nbsp;专属探测器（执行&nbsp;SHOW&nbsp;SLAVE&nbsp;STATUS&nbsp;等） ├──&nbsp;common/mysql/&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;→&nbsp;MySQL&nbsp;公共逻辑 ├──&nbsp;cons/mysql/&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;→&nbsp;MySQL&nbsp;常量（错误码、SQL&nbsp;模板） ├──&nbsp;decision/mysql/&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;→&nbsp;MySQL&nbsp;专属决策（主从延迟阈值判断） ├──&nbsp;diagnose/mysql/&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;→&nbsp;MySQL&nbsp;专属诊断 ├──&nbsp;link/mysql/&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;→&nbsp;MySQL&nbsp;连接驱动封装 ├──&nbsp;model/mysql/&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;→&nbsp;MySQL&nbsp;专属数据模型 └──&nbsp;treat/mysql/&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;→&nbsp;MySQL&nbsp;专属修复（切换、重搭、ResetSlave）</pre><p id="u2be451a0" class="ne-p" style="margin: 0; padding: 0; min-height: 24px"><strong><span class="ne-text" style="color: #1A2B4A;">设计哲学</span></strong><span class="ne-text" style="color: #262626;">：Framework 提供&quot;如何切换&quot;的抽象骨架，</span><code class="ne-code" style="font-family: SFMono-Regular, Consolas, Liberation Mono, Menlo, Courier, monospace; background-color: rgba(0, 0, 0, 0.06); border: 1px solid rgba(0, 0, 0, 0.08); border-radius: 2px; padding: 0px 2px"><span class="ne-text" style="color: #1677FF; background-color: #F0F4FF;">aurora-mysql</span></code><span class="ne-text" style="color: #262626;"> 提供&quot;对 MySQL 而言切换是什么&quot;的具体实现，通过 SPI/Spring Bean 注册到 Framework。</span></p><h2 id="FNvo8" style="font-size: 24px; line-height: 32px; margin: 21px 0 5px 0"><span class="ne-text" style="color: #1A2B4A">六、核心元数据表（MetaDB）</span></h2><p id="u67e5c3ae" class="ne-p" style="margin: 0; padding: 0; min-height: 24px"><span class="ne-text" style="color: #262626;">Aurora 的切换记录和状态都持久化在 MetaDB 中，MySQL 场景下最常用的表：</span></p><table id="kgqYD" class="ne-table" width="750"><tbody><tr style="height: 33px" class="firstRow"><td width="375" style="border-color: rgb(217, 217, 217); background-color: rgb(245, 247, 250);"><p id="u3dba5996" class="ne-p" style="min-height: 24px;"><strong><span class="ne-text" style="color: #1A2B4A; font-size: 13px">表名</span></strong></p></td><td width="375" style="border-color: rgb(217, 217, 217); background-color: rgb(245, 247, 250);"><p id="u7a1f63fc" class="ne-p" style="min-height: 24px;"><strong><span class="ne-text" style="color: #1A2B4A; font-size: 13px">作用</span></strong></p></td></tr><tr style="height: 33px"><td width="375" style="border-color: rgb(217, 217, 217);"><p id="u85299bff" class="ne-p" style="min-height: 24px;"><code class="ne-code" style="font-family: SFMono-Regular, Consolas, Liberation Mono, Menlo, Courier, monospace; background-color: rgba(0, 0, 0, 0.06); border: 1px solid rgba(0, 0, 0, 0.08); border-radius: 2px; padding: 0px 2px"><span class="ne-text" style="color: #1677FF; background-color: #F0F4FF; font-size: 13px">aurora_switch_log</span></code></p></td><td width="375" style="border-color: rgb(217, 217, 217);"><p id="u05c72e34" class="ne-p" style="min-height: 24px;"><span class="ne-text" style="color: #262626; font-size: 13px">切换主记录（状态、来源、原因、时间）</span></p></td></tr><tr style="height: 33px"><td width="375" style="border-color: rgb(217, 217, 217); background-color: rgb(250, 251, 252);"><p id="u6110e797" class="ne-p" style="min-height: 24px;"><code class="ne-code" style="font-family: SFMono-Regular, Consolas, Liberation Mono, Menlo, Courier, monospace; background-color: rgba(0, 0, 0, 0.06); border: 1px solid rgba(0, 0, 0, 0.08); border-radius: 2px; padding: 0px 2px"><span class="ne-text" style="color: #1677FF; background-color: #F0F4FF; font-size: 13px">aurora_switch_log_info</span></code></p></td><td width="375" style="border-color: rgb(217, 217, 217); background-color: rgb(250, 251, 252);"><p id="uc1614158" class="ne-p" style="min-height: 24px;"><span class="ne-text" style="color: #262626; font-size: 13px">切换详细信息（cause_code、cause_root、request_param）</span></p></td></tr><tr style="height: 33px"><td width="375" style="border-color: rgb(217, 217, 217);"><p id="u0c3b08f9" class="ne-p" style="min-height: 24px;"><code class="ne-code" style="font-family: SFMono-Regular, Consolas, Liberation Mono, Menlo, Courier, monospace; background-color: rgba(0, 0, 0, 0.06); border: 1px solid rgba(0, 0, 0, 0.08); border-radius: 2px; padding: 0px 2px"><span class="ne-text" style="color: #1677FF; background-color: #F0F4FF; font-size: 13px">aurora_switch_detail</span></code></p></td><td width="375" style="border-color: rgb(217, 217, 217);"><p id="uc2557b87" class="ne-p" style="min-height: 24px;"><span class="ne-text" style="color: #262626; font-size: 13px">切换步骤明细（步骤名、耗时、结果、备注）</span></p></td></tr><tr style="height: 33px"><td width="375" style="border-color: rgb(217, 217, 217); background-color: rgb(250, 251, 252);"><p id="u4f4f71b8" class="ne-p" style="min-height: 24px;"><code class="ne-code" style="font-family: SFMono-Regular, Consolas, Liberation Mono, Menlo, Courier, monospace; background-color: rgba(0, 0, 0, 0.06); border: 1px solid rgba(0, 0, 0, 0.08); border-radius: 2px; padding: 0px 2px"><span class="ne-text" style="color: #1677FF; background-color: #F0F4FF; font-size: 13px">aurora_list</span></code></p></td><td width="375" style="border-color: rgb(217, 217, 217); background-color: rgb(250, 251, 252);"><p id="u126357ca" class="ne-p" style="min-height: 24px;"><span class="ne-text" style="color: #262626; font-size: 13px">实例 HA 状态（是否启用、被哪个 Aurora 节点接管）</span></p></td></tr><tr style="height: 33px"><td width="375" style="border-color: rgb(217, 217, 217);"><p id="u6139b236" class="ne-p" style="min-height: 24px;"><code class="ne-code" style="font-family: SFMono-Regular, Consolas, Liberation Mono, Menlo, Courier, monospace; background-color: rgba(0, 0, 0, 0.06); border: 1px solid rgba(0, 0, 0, 0.08); border-radius: 2px; padding: 0px 2px"><span class="ne-text" style="color: #1677FF; background-color: #F0F4FF; font-size: 13px">aurora_request</span></code></p></td><td width="375" style="border-color: rgb(217, 217, 217);"><p id="uaa8aee6f" class="ne-p" style="min-height: 24px;"><span class="ne-text" style="color: #262626; font-size: 13px">切换请求记录（来源、是否完成）</span></p></td></tr><tr style="height: 33px"><td width="375" style="border-color: rgb(217, 217, 217); background-color: rgb(250, 251, 252);"><p id="u99cb86d9" class="ne-p" style="min-height: 24px;"><code class="ne-code" style="font-family: SFMono-Regular, Consolas, Liberation Mono, Menlo, Courier, monospace; background-color: rgba(0, 0, 0, 0.06); border: 1px solid rgba(0, 0, 0, 0.08); border-radius: 2px; padding: 0px 2px"><span class="ne-text" style="color: #1677FF; background-color: #F0F4FF; font-size: 13px">bakowner</span></code></p></td><td width="375" style="border-color: rgb(217, 217, 217); background-color: rgb(250, 251, 252);"><p id="udce3d80f" class="ne-p" style="min-height: 24px;"><span class="ne-text" style="color: #262626; font-size: 13px">节点心跳与实例归属关系</span></p></td></tr><tr style="height: 33px"><td width="375" style="border-color: rgb(217, 217, 217);"><p id="u1ae75b82" class="ne-p" style="min-height: 24px;"><code class="ne-code" style="font-family: SFMono-Regular, Consolas, Liberation Mono, Menlo, Courier, monospace; background-color: rgba(0, 0, 0, 0.06); border: 1px solid rgba(0, 0, 0, 0.08); border-radius: 2px; padding: 0px 2px"><span class="ne-text" style="color: #1677FF; background-color: #F0F4FF; font-size: 13px">cust_instance</span></code></p></td><td width="375" style="border-color: rgb(217, 217, 217);"><p id="u27264fa9" class="ne-p" style="min-height: 24px;"><span class="ne-text" style="color: #262626; font-size: 13px">实例基本信息（名称、VIP、集群）</span></p></td></tr></tbody></table><hr id="s6qQK" class="ne-hr" style="background-color: rgb(232, 232, 232); border-style: solid; border-color: transparent; border-image: none; margin: 18px 0px;"/><h2 id="trI8h" style="font-size: 24px; line-height: 32px; margin: 21px 0 5px 0"><span class="ne-text" style="color: #1A2B4A">七、部署目录（生产环境）</span></h2><pre data-language="plain" id="aMfZb" class="ne-codeblock language-plain" style="border: 1px solid #e8e8e8; border-radius: 2px; background: #f9f9f9; padding: 16px; font-size: 13px; color: #595959">/usr/local/rds/aurora/package/ ├──&nbsp;config/ │&nbsp;&nbsp;&nbsp;├──&nbsp;conf.properties&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;#&nbsp;当前生效配置 │&nbsp;&nbsp;&nbsp;├──&nbsp;druid.properties&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;#&nbsp;MetaDB&nbsp;连接池 │&nbsp;&nbsp;&nbsp;└──&nbsp;log4j.log&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;#&nbsp;日志配置 ├──&nbsp;jars/&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;#&nbsp;所有&nbsp;jar&nbsp;包 ├──&nbsp;log/ │&nbsp;&nbsp;&nbsp;├──&nbsp;ha.log&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;#&nbsp;★&nbsp;系统主日志（切换决策、策略提交） │&nbsp;&nbsp;&nbsp;├──&nbsp;check.log&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;#&nbsp;★&nbsp;探测日志（MASTER_DOWN&nbsp;等事件） │&nbsp;&nbsp;&nbsp;├──&nbsp;error.log&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;#&nbsp;★&nbsp;错误日志（异常堆栈） │&nbsp;&nbsp;&nbsp;├──&nbsp;framework.log&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;#&nbsp;★&nbsp;框架日志（选主、心跳、清理） │&nbsp;&nbsp;&nbsp;├──&nbsp;election.log&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;#&nbsp;选主日志（become&nbsp;leader&nbsp;/&nbsp;step&nbsp;down） │&nbsp;&nbsp;&nbsp;└──&nbsp;introspect.log&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;#&nbsp;自检日志 └──&nbsp;service.sh&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;#&nbsp;启停管控</pre><hr id="E2j5g" class="ne-hr" style="background-color: rgb(232, 232, 232); border-style: solid; border-color: transparent; border-image: none; margin: 18px 0px;"/><h2 id="s0kXi" style="font-size: 24px; line-height: 32px; margin: 21px 0 5px 0"><span class="ne-text" style="color: #1A2B4A">总结</span></h2><p id="uc2d986c1" class="ne-p" style="margin: 0; padding: 0; min-height: 24px"><span class="ne-text" style="color: #262626;">RDS for MySQL 的 Aurora 高可用实现可以概括为：</span></p><ol class="ne-ol list-paddingleft-2" style="padding-left: 23px;"><li><p><strong><span class="ne-text" style="color: #1A2B4A;">探测层</span></strong><span class="ne-text" style="color: #262626;">定时检查 MySQL 主库心跳，发现故障后上报异常事件</span></p></li><li><p><strong><span class="ne-text" style="color: #1A2B4A;">诊断层</span></strong><span class="ne-text" style="color: #262626;">分析根因（主库宕机、挂起、网络超时等）</span></p></li><li><p><strong><span class="ne-text" style="color: #1A2B4A;">决策层</span></strong><span class="ne-text" style="color: #262626;">检查熔断、频率限制等前置条件，决定是否切换</span></p></li><li><p><strong><span class="ne-text" style="color: #1A2B4A;">修复层</span></strong><span class="ne-text" style="color: #262626;">通过 Flow 引擎驱动 10 步标准切换流程（FindTargetSlave → ChangeMaster → VipSwitch 等）</span></p></li><li><p><span class="ne-text" style="color: #262626;">整个过程通过 </span><strong><span class="ne-text" style="color: #1A2B4A;">JGroups/Raft</span></strong><span class="ne-text" style="color: #262626;"> 在 Aurora 集群节点间协调，切换记录持久化到 </span><strong><span class="ne-text" style="color: #1A2B4A;">MetaDB</span></strong></p></li></ol></div><p><br/></p>Mon, 10 Aug 2026 09:53:18 +0800https://www.yangwuyu.com/?id=10<p><ne-clipboard 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trs%22%3A%7B%7D%2C%22children%22%3A%5B%7B%22type%22%3A%22text%22%2C%22id%22%3A%22ub012d3b9%22%2C%22name%22%3A%22%23text%22%2C%22attrs%22%3A%7B%7D%2C%22data%22%3A%22%E6%9F%A5%E7%9C%8B%E5%BD%93%E5%89%8D%E4%BD%BF%E7%94%A8%E7%9A%84%E8%A7%84%E5%88%99%22%7D%5D%7D%2C%7B%22type%22%3A%22element%22%2C%22id%22%3A%22u025c4961%22%2C%22name%22%3A%22p%22%2C%22attrs%22%3A%7B%7D%2C%22children%22%3A%5B%7B%22type%22%3A%22element%22%2C%22id%22%3A%22u11954184%22%2C%22name%22%3A%22code%22%2C%22attrs%22%3A%7B%7D%2C%22children%22%3A%5B%7B%22type%22%3A%22text%22%2C%22id%22%3A%22u90a8ae60%22%2C%22name%22%3A%22%23text%22%2C%22attrs%22%3A%7B%7D%2C%22data%22%3A%22select%20*%20from%20tddl_rule_status%3B%22%7D%5D%7D%5D%7D%5D%2C%22attrs%22%3A%7B%7D%7D" source="https%3A%2F%2Faliyuque.antfin.com%2Fywy02356160%2Fbook%2Fgd0kd4o98sudtaxs"></ne-clipboard></p><div class="lake-content" typography="classic"><h3 id="TMcle" style="font-size: 20; line-height: 28px; margin: 16px 0 5px 0"><span class="ne-text" style="color: #181818">恢复执行 DDL</span></h3><p id="u261a5503" class="ne-p" style="margin: 0; padding: 0; min-height: 24px"><span class="ne-text" style="color: #181818;"> recover ddl $job_id;</span></p><h3 id="wxB4m" style="font-size: 20; line-height: 28px; margin: 16px 0 5px 0"><span class="ne-text" style="color: #181818">删除 DDL</span></h3><p id="ue29d8330" class="ne-p" style="margin: 0; padding: 0; min-height: 24px"><span class="ne-text">remove ddl <span style="color: #181818;">$job_id</span>;</span></p><h3 id="Tc0JX" style="font-size: 20; line-height: 28px; margin: 16px 0 5px 0"><span class="ne-text">回滚 DDL</span></h3><p id="u5bbee3a5" class="ne-p" style="margin: 0; padding: 0; min-height: 24px"><span class="ne-text">ROLLBACK DDL <span style="color: #181818;">$job_id</span> ; </span></p><h3 id="z3ieM" style="font-size: 20; line-height: 28px; margin: 16px 0 5px 0"><span class="ne-text">物理子表名带有随机串</span></h3><p><span class="ne-text">DRDS管家-实例配置<br/></span></p><p id="uff1b8ac9" class="ne-p" style="margin: 0; padding: 0; min-height: 24px"><span class="ne-text">ENABLE_RANDOM_PHY_TABLE_NAME&nbsp; &nbsp;bool类型</span></p><p id="uff1b8ac9" class="ne-p" style="margin: 0; padding: 0; min-height: 24px"><span class="ne-text">false&nbsp; 关闭&nbsp; true打开</span></p><p id="uff1b8ac9" class="ne-p" style="margin: 0; padding: 0; min-height: 24px"><span style="color: rgba(0, 0, 0, 0.65); font-size: 12px;">以show topology xxx的结果为准</span></p><p id="u016b21c1" class="ne-p" style="margin: 0; padding: 0; min-height: 24px"><span class="ne-text">但是test_r3_sn库下的sn_c_unicode表的物理子表名还是带有随机串</span></p><h3 id="GGpVg" style="font-size: 20; line-height: 28px; margin: 16px 0 5px 0"><span class="ne-text">hint</span></h3><p id="u40c567d3" class="ne-p" style="margin: 0; padding: 0; min-height: 24px"><span class="ne-text">/!TDDL:SLAVE*/ &nbsp;备库执行</span></p><p id="u3e8ff466" class="ne-p" style="margin: 0; padding: 0; min-height: 24px"><span class="ne-text">/!TDDL:NODE=0*/ 指定分库执行 log</span></p><h3 id="FBos6" style="font-size: 20; line-height: 28px; margin: 16px 0 5px 0"><span class="ne-text" style="color: #181818">查看分片规则和拓扑结构</span></h3><p id="u1e59bc19" class="ne-p" style="margin: 0; padding: 0; min-height: 24px"><span class="ne-text" style="color: #181818;"> </span><code class="ne-code" style="font-family: SFMono-Regular, Consolas, Liberation Mono, Menlo, Courier, monospace; background-color: rgba(0, 0, 0, 0.06); border: 1px solid rgba(0, 0, 0, 0.08); border-radius: 2px; padding: 0px 2px"><span class="ne-text" style="color: #181818;">SHOW RULES</span></code><span class="ne-text" style="color: #181818;"> 或 </span><code class="ne-code" style="font-family: SFMono-Regular, Consolas, Liberation Mono, Menlo, Courier, monospace; background-color: rgba(0, 0, 0, 0.06); border: 1px solid rgba(0, 0, 0, 0.08); border-radius: 2px; padding: 0px 2px"><span class="ne-text" style="color: #181818;">SHOW TOPOLOGY</span></code><span class="ne-text" style="color: #181818;"> 的语句</span></p><p id="u84eee6ec" class="ne-p" style="margin: 0; padding: 0; min-height: 24px"><code class="ne-code" style="font-family: SFMono-Regular, Consolas, Liberation Mono, Menlo, Courier, monospace; background-color: rgba(0, 0, 0, 0.06); border: 1px solid rgba(0, 0, 0, 0.08); border-radius: 2px; padding: 0px 2px"><span class="ne-text">SHOW RULES FROM your_table_name;</span></code></p><p id="u7c161db6" class="ne-p" style="margin: 0; padding: 0; min-height: 24px"><code class="ne-code" style="font-family: SFMono-Regular, Consolas, Liberation Mono, Menlo, Courier, monospace; background-color: rgba(0, 0, 0, 0.06); border: 1px solid rgba(0, 0, 0, 0.08); border-radius: 2px; padding: 0px 2px"><span class="ne-text">SHOW TOPOLOGY FROM your_table_name;</span></code></p><p id="u5f46877a" class="ne-p" style="margin: 0; padding: 0; min-height: 24px"><span class="ne-text"></span></p><p id="u48de3123" class="ne-p" style="margin: 0; padding: 0; min-height: 24px"><code class="ne-code" style="font-family: SFMono-Regular, Consolas, Liberation Mono, Menlo, Courier, monospace; background-color: rgba(0, 0, 0, 0.06); border: 1px solid rgba(0, 0, 0, 0.08); border-radius: 2px; padding: 0px 2px"><span class="ne-text">SELECT * FROM information_schema.drds_rules WHERE table_name = &#39;your_table_name&#39;;</span></code></p><h3 id="z0B8U" style="font-size: 20; line-height: 28px; margin: 16px 0 5px 0"><span class="ne-text">查看拓扑规则</span></h3><p id="u71688194" class="ne-p" style="margin: 0; padding: 0; min-height: 24px"><code class="ne-code" style="font-family: SFMono-Regular, Consolas, Liberation Mono, Menlo, Courier, monospace; background-color: rgba(0, 0, 0, 0.06); border: 1px solid rgba(0, 0, 0, 0.08); border-radius: 2px; padding: 0px 2px"><span class="ne-text">select * from config_info where dataid like &#39;%$(appname前端获取).properties&#39;</span></code></p><h3 id="BdZWX" style="font-size: 20; line-height: 28px; margin: 16px 0 5px 0"><span class="ne-text">查看库内所有规则</span></h3><p id="u53b80cac" class="ne-p" style="margin: 0; padding: 0; min-height: 24px"><code class="ne-code" style="font-family: SFMono-Regular, Consolas, Liberation Mono, Menlo, Courier, monospace; background-color: rgba(0, 0, 0, 0.06); border: 1px solid rgba(0, 0, 0, 0.08); border-radius: 2px; padding: 0px 2px"><span class="ne-text">/!TDDL:NODE=0*/select version,data_id,content_md5,diamond,manager,sender_diamond,sender_manager,gmt_created,gmt_modified,gmt_modified_diamond,gmt_modified_manager from tddl_rule;</span></code></p><h3 id="blmDz" style="font-size: 20; line-height: 28px; margin: 16px 0 5px 0"><span class="ne-text">查看当前使用的规则</span></h3><p id="u025c4961" class="ne-p" style="margin: 0; padding: 0; min-height: 24px"><code class="ne-code" style="font-family: SFMono-Regular, Consolas, Liberation Mono, Menlo, Courier, monospace; background-color: rgba(0, 0, 0, 0.06); border: 1px solid rgba(0, 0, 0, 0.08); border-radius: 2px; padding: 0px 2px"><span class="ne-text">select * from tddl_rule_status;</span></code></p></div><p><br/></p>Tue, 12 May 2026 14:37:54 +0800https://www.yangwuyu.com/?id=7<h1>导言</h1><p><span style="color: #171A1D; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;; font-size: 16px;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;在数据库操作中，JOIN是实现多表关联查询的核心机制。相较于嵌套子查询和IN操作符，合理使用JOIN能显著提升查询性能，优化执行计划，并增强SQL代码的可读性与可维护性。本文将系统解析MySQL中的JOIN语法类型，涵盖INNER JOIN、LEFT JOIN、RIGHT JOIN等核心关联方式，并通过典型业务场景示例，演示如何通过表连接构建高效的数据检索逻辑。</span></p><p><br/></p><h1>表结构和数据</h1><p style="font-family: italic, Helvetica, Arial, &quot;Heiti SC&quot;, &quot;Microsoft YaHei&quot;; color: rgb(47, 51, 57); font-size: 16px; text-wrap-mode: wrap; background-color: rgb(255, 255, 255);"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">为了更好地理解各种 JOIN 类型，我们首先创建两个简单的表并插入一些假数据。</span></p><h2>表结构</h2><pre class="prism-highlight prism-language-sql">CREATE&nbsp;TABLE&nbsp;employees&nbsp;( &nbsp;employeeid&nbsp;INT&nbsp;PRIMARY&nbsp;KEY, &nbsp;name&nbsp;VARCHAR(50), &nbsp;departmentid&nbsp;INT ); CREATE&nbsp;TABLE&nbsp;departments&nbsp;( &nbsp;departmentid&nbsp;INT&nbsp;PRIMARY&nbsp;KEY, &nbsp;departmentname&nbsp;VARCHAR(50) );</pre><h2>插入数据</h2><pre class="prism-highlight prism-language-sql">INSERT&nbsp;INTO&nbsp;employees&nbsp;(employeeid,&nbsp;name,&nbsp;departmentid)&nbsp;VALUES (1,&nbsp;&#39;张三&#39;,&nbsp;1), (2,&nbsp;&#39;李四&#39;,&nbsp;2), (3,&nbsp;&#39;王五&#39;,&nbsp;3), (4,&nbsp;&#39;赵六&#39;,&nbsp;4); INSERT&nbsp;INTO&nbsp;departments&nbsp;(departmentid,&nbsp;departmentname)&nbsp;VALUES (1,&nbsp;&#39;销售部&#39;), (2,&nbsp;&#39;市场部&#39;), (3,&nbsp;&#39;技术部&#39;), (5,&nbsp;&#39;人力资源部&#39;);</pre><h1><span style="font-size: 16px; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"></span>实操展示</h1><h1></h1><h2 id="toc-4">1. 内连接（INNER JOIN）</h2><h3>概念</h3><p><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"><span style="font-size: 16px; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">INNER JOIN基于等值关联条件返回两个表的匹配记录，仅</span><span style="font-size: 16px; text-decoration: underline; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">保留满足关联条件</span><span style="font-size: 16px; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">的行对组合。其执行逻辑是先生成两表笛卡尔积，再通过ON子句指定的关联条件过滤出有效匹配数据。</span></span></p><h3>示例</h3><pre class="prism-highlight prism-language-sql">SELECT&nbsp;employees.name,&nbsp;departments.departmentname&nbsp; FROM&nbsp;employees&nbsp; INNER&nbsp;JOIN&nbsp;departments&nbsp;ON&nbsp;employees.departmentid&nbsp;=&nbsp;departments.departmentid;</pre><h3>输出结果<br/></h3><table><thead><tr class="firstRow"><th><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">name</span></th><th><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">departmentname</span></th></tr></thead><tbody><tr><td><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">张三</span></td><td><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">销售部</span></td></tr><tr><td><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">李四</span></td><td><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">市场部</span></td></tr><tr><td style="word-break: break-all;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">王五</span></td><td><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">技术部</span></td></tr></tbody></table><h2 id="toc-8">2. 左连接（LEFT JOIN）</h2><h3>概念<br/></h3><p style="font-family: italic, Helvetica, Arial, &quot;Heiti SC&quot;, &quot;Microsoft YaHei&quot;; color: rgb(47, 51, 57); font-size: 16px; text-wrap-mode: wrap; background-color: rgb(255, 255, 255);"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">LEFT JOIN（左外连接）</span><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;; text-decoration: underline;">保留左表（驱动表）即FROM表</span><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">所有记录的完整集合，即使右表（关联表）不存在匹配行。当右表无对应记录时，结果集将补全右表字段的NULL值。其执行逻辑为：先根据关联条件匹配左右表数据，再强制保留左表全量记录，未匹配的右表字段以NULL填充。</span></p><h3>示例<br/></h3><p><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"></span></p><pre class="prism-highlight prism-language-sql">SELECT&nbsp;employees.name,&nbsp;departments.departmentname&nbsp; FROM&nbsp;employees&nbsp; LEFT&nbsp;JOIN&nbsp;departments&nbsp;ON&nbsp;employees.departmentid&nbsp;=&nbsp;departments.departmentid;</pre><h3>输出结果<br/></h3><table><thead><tr class="firstRow"><th><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">name</span></th><th><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">departmentname</span></th></tr></thead><tbody><tr><td><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">张三</span></td><td><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">销售部</span></td></tr><tr><td><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">李四</span></td><td><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">市场部</span></td></tr><tr><td><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">王五</span></td><td><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">技术部</span></td></tr><tr><td style="word-break: break-all;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">赵六</span></td><td style="word-break: break-all;"><span style="font-family:微软雅黑, Microsoft YaHei">NULL</span></td></tr></tbody></table><h2>3. 右连接（RIGHT JOIN）</h2><h2>概念</h2><p style="font-family: italic, Helvetica, Arial, &quot;Heiti SC&quot;, &quot;Microsoft YaHei&quot;; color: rgb(47, 51, 57); font-size: 16px; text-wrap-mode: wrap; background-color: rgb(255, 255, 255);"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">RIGHT JOIN（右外连接）</span><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;; text-decoration: underline;">保留右表（驱动表）即JOIN表</span><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">的所有记录，即使左表（关联表）不存在匹配行。当左表无对应记录时，结果集将补全左表字段的NULL值。其执行逻辑为：先通过关联条件匹配数据，再强制保留右表全量记录，未匹配的左表字段以NULL填充，与LEFT JOIN形成对称的外连接操作。</span></p><h3>示例<br/></h3><pre class="prism-highlight prism-language-sql">SELECT&nbsp;employees.name,&nbsp;departments.departmentname&nbsp; FROM&nbsp;employees&nbsp; RIGHT&nbsp;JOIN&nbsp;departments&nbsp;ON&nbsp;employees.departmentid&nbsp;=&nbsp;departments.departmentid;</pre><h3>输出结果</h3><table><thead><tr class="firstRow"><th><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">name</span></th><th><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">departmentname</span></th></tr></thead><tbody><tr><td><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">张三</span></td><td><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">销售部</span></td></tr><tr><td><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">李四</span></td><td><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">市场部</span></td></tr><tr><td><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">王五</span></td><td><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">技术部</span></td></tr><tr><td style="word-break: break-all;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">NULL</span></td><td><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">人力资源部</span></td></tr></tbody></table><h2 id="toc-16">4. 全连接（FULL JOIN）</h2><h3 id="toc-17">概念</h3><p style="font-family: italic, Helvetica, Arial, &quot;Heiti SC&quot;, &quot;Microsoft YaHei&quot;; color: rgb(47, 51, 57); font-size: 16px; text-wrap-mode: wrap; background-color: rgb(255, 255, 255);"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"></span></p><p><span style="font-size: 16px;">MySQL中FULL JOIN（全连接）的语义是返回</span><span style="font-size: 16px; text-decoration: underline;">左表和右表所有基表记录</span><span style="font-size: 16px;">的并集。当某行在任一关联表中无匹配项时，结果集对应缺失列将补全NULL值。但需注意：MySQL原生不支持FULL JOIN语法，通常通过UNION联合LEFT JOIN与RIGHT JOIN实现该效果。</span></p><h3 id="toc-18">示例</h3><pre class="prism-highlight prism-language-sql">SELECT&nbsp;employees.name,&nbsp;departments.departmentname&nbsp; FROM&nbsp;employees&nbsp; LEFT&nbsp;JOIN&nbsp;departments&nbsp;ON&nbsp;employees.departmentid&nbsp;=&nbsp;departments.departmentid&nbsp; UNION&nbsp; SELECT&nbsp;employees.name,&nbsp;departments.departmentname&nbsp; FROM&nbsp;employees&nbsp; RIGHT&nbsp;JOIN&nbsp;departments&nbsp;ON&nbsp;employees.departmentid&nbsp;=&nbsp;departments.departmentid;</pre><h3>输出结果</h3><table><thead><tr class="firstRow"><th><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">name</span></th><th><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">departmentname</span></th></tr></thead><tbody><tr><td><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">张三</span></td><td><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">销售部</span></td></tr><tr><td><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">李四</span></td><td><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">市场部</span></td></tr><tr><td><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">王五</span></td><td><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">技术部</span></td></tr><tr><td><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">赵六</span></td><td style="word-break: break-all;"><span style="font-family:微软雅黑, Microsoft YaHei">NULL</span></td></tr><tr><td><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">NULL</span></td><td><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">人力资源部</span></td></tr></tbody></table><h1>总结</h1><p style="font-family: italic, Helvetica, Arial, &quot;Heiti SC&quot;, &quot;Microsoft YaHei&quot;; color: rgb(47, 51, 57); font-size: 16px; text-wrap-mode: wrap; background-color: rgb(255, 255, 255);">一句话总结：内连接保留双方都有的记录;左连接保留FROM表的记录,找不到则填充NULL;右连接保留JOIN表的记录找不到则填充NULL；全连接是保留双方的记录，找不到填充NULL</p><p><span style="font-size: 16px; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"><br/></span></p><h1><span style="color: #171A1D; font-size: 20px; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"></span><br/></h1>Wed, 14 Jan 2026 12:46:41 +0800https://www.yangwuyu.com/?id=6<p style="margin-right: 0px; margin-left: 0px; text-indent: 0px; text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;; font-size: 20px;">GoldenDB-Sloth-告警部署和基础应用</span></p><p style="margin-right: 0px; margin-left: 0px; text-indent: 0px; text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;; font-size: 18px;"><strong>目</strong><strong>&nbsp;</strong><strong>录</strong></span></p><p style="text-align: left;">1、 上传工具包</p><p style="text-align: left;">(1) 将alarm告警工具压缩包上传至insight服务器中</p><p style="text-align: left;">2、 复制文件</p><p style="text-align: left;">3、 编辑配置文件</p><p style="text-align: left;">(1) 编辑告警发送格式</p><p style="text-align: left;">(2) 编辑告警发送渠道send.xml</p><p style="text-align: left;">(3) 编辑告警过滤器filters.xml</p><p style="text-align: left;">4、 启动告警</p><p style="text-align: left;">检查是否启动,有进程即启动成功</p><p style="text-align: left;">5、 查看日志</p><p style="text-align: left;">tail -f send_alarm.log</p><hr/><p><span style="font-size: 14px; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">&nbsp;</span></p><h1 style="text-align: left;"><span style="font-size: 16px; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">1、上传工具包</span></h1><p style="margin-left: 56px; text-align: left;"><span style="font-size: 14px; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">(1)&nbsp;将alarm告警工具压缩包上传至insight服务器中</span></p><h2 style="text-align: left;"><span style="font-size: 16px; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">2、复制文件</span></h2><p style="margin-left: 56px; text-align: left;"><span style="font-size: 14px; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">(1)&nbsp;解压后，将alarm/ 整个路径复制到$HOME_INSIGHT/script_monitor/scripts/ 下</span></p><p style="text-align:center"><img src="https://www.yangwuyu.com/zb_users/upload/2025/02/202502171739786151216131.png" alt="image.png"/></p><p style="margin-left: 28px; text-align: left;"><span style="font-size: 14px; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">&nbsp;</span></p><h1 style="text-align: left;"><span style="font-size: 16px; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">3、编辑配置文件</span></h1><p style="text-align:center"><img src="https://www.yangwuyu.com/zb_users/upload/2025/02/202502171739786147546998.png" alt="image.png"/></p><p style="margin-left: 28px; text-align: left;"><span style="font-size: 14px; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">&nbsp;</span></p><pre class="prism-highlight prism-language-bash"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">cd&nbsp;$HOME_INSIGHT/script_monitor/scripts/alarm/config<br style="text-align: left;"/></span></pre><h2 style="margin-left: 28px; text-align: left;"><span style="font-size: 14px; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">(1)&nbsp;编辑告警发送格式</span></h2><pre class="prism-highlight prism-language-bash"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">vi&nbsp;dataformat.xml<br style="text-align: left;"/></span></pre><p style="margin-left: 56px; text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">详细可参考dataformat_example.xml</span></p><blockquote style="text-align: left;"><p style="text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">&lt;dataformats&gt;</span></p><p style="text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">&nbsp;&nbsp;&nbsp;&nbsp;&lt;dataformat&gt;</span></p><p style="text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;platform&gt;sxyd_sendnotice&lt;/platform&gt;</span></p><p style="text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;data_structure&gt;jsonstr&lt;/data_structure&gt;</span></p><p style="text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;new_alarm&gt;</span></p><p style="text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;dict&gt;</span></p><p style="text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;origin&gt;goldendb&lt;/origin&gt;</span></p><p style="text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;mobile&gt;${sendTarget}&lt;/mobile&gt;</span></p><p style="text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;content&gt;GoldenDB告警通知:-序号：${alarmId} -名称：${alarmDesc}(${alarmReasonCode}) -级别：${severity} -告警对象：${resourceName} -生成时间：${alarmTime} -告警内容：${alarmReason},${alarmDetailReason}&lt;/content&gt;</span></p><p style="text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;needReplay&gt;false&lt;/needReplay&gt;</span></p><p style="text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;proId&gt;sx&lt;/proId&gt;</span></p><p style="text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;/dict&gt;</span></p><p style="text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;/new_alarm&gt;</span></p><p style="text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;recovery_alarm&gt;</span></p><p style="text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;dict&gt;</span></p><p style="text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;origin&gt;goldendb&lt;/origin&gt;</span></p><p style="text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;mobile&gt;${sendTarget}&lt;/mobile&gt;</span></p><p style="text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;content&gt;GoldenDB告警解除通知:-序号：${alarmId} -名称：${alarmDesc}(${alarmReasonCode}) -级别：${severity} -告警对象：${resourceName} -生成时间：${alarmTime} -告警内容：${alarmReason},${alarmDetailReason}&lt;/content&gt;</span></p><p style="text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;needReplay&gt;false&lt;/needReplay&gt;</span></p><p style="text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;proId&gt;sx&lt;/proId&gt;</span></p><p style="text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;/dict&gt; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span></p><p style="text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;/recovery_alarm&gt;</span></p><p style="text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">&nbsp;&nbsp;&nbsp;&nbsp;&lt;/dataformat&gt;</span></p><p style="text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">&lt;/dataformats&gt;</span></p></blockquote><p style="margin-left:28px"><span style="font-size: 14px; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">&nbsp;</span></p><h2 style="margin-left: 56px; text-align: left;"><span style="font-size: 14px; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">(2)&nbsp;编辑告警发送渠道send.xml</span></h2><pre class="prism-highlight prism-language-bash"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">vi&nbsp;send.xml<br style="text-align: left;"/></span></pre><p style="margin-left: 56px; text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">详细可参考send_example.xml</span></p><blockquote style="text-align: left;"><p style="text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">&lt;sending_method&gt;</span></p><p style="text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">&nbsp;&nbsp;&nbsp;&nbsp;&lt;res_interface&gt;</span></p><p style="text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;sender&gt;</span></p><p style="text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;platform&gt;发送渠道名称&lt;/platform&gt;</span></p><p style="text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;url&gt;发送方接口&lt;/url&gt;</span></p><p style="text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;/sender&gt;</span></p><p style="text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">&nbsp;&nbsp;&nbsp;&nbsp;&lt;/res_interface&gt; &nbsp;&nbsp;&nbsp;</span></p><p style="text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">&lt;/sending_method&gt;</span></p></blockquote><h2 style="margin-left: 56px; text-align: left;"><span style="font-size: 14px; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">(3)&nbsp;编辑告警过滤器filters.xml</span></h2><pre class="prism-highlight prism-language-bash"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">vi&nbsp;filters.xml<br style="text-align: left;"/></span></pre><p style="margin-left: 56px; text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">详细可参考filters_example.xml</span></p><blockquote style="text-align: left;"><p style="text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">&lt;filters&gt;</span></p><p style="text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">&nbsp;&nbsp;&nbsp;&nbsp;&lt;filter&gt;</span></p><p style="text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;platform&gt;发送渠道名称&lt;/platform&gt;</span></p><p style="text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;class_path&gt;过滤器路径&lt;/class_path&gt;</span></p><p style="text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;class&gt;过滤器类名&lt;/class&gt;</span></p><p style="text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;过滤器参数名(如有)&gt;参数值&lt;/过滤器参数名(如有)&gt;</span></p><p style="text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">&nbsp;&nbsp;&nbsp;&nbsp;&lt;/filter&gt;</span></p><p style="text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">&nbsp;&nbsp;&nbsp;&nbsp;&lt;filter&gt;</span></p><p style="text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;platform&gt;发送渠道名称&lt;/platform&gt;</span></p><p style="text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;class_path&gt;过滤器路径&lt;/class_path&gt;</span></p><p style="text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;class&gt;过滤器类名&lt;/class&gt;</span></p><p style="text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">&nbsp;&nbsp;&nbsp;&nbsp;&lt;/filter&gt;</span></p><p style="text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">&lt;/filters&gt;</span></p></blockquote><h3 style="margin-left: 84px; text-align: left;"><span style="font-size: 14px; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">①&nbsp;过滤器示例：</span></h3><p style="margin-left: 112px; text-align: left;"><span style="font-size: 14px; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">1)&nbsp;告警通知多个手机号</span></p><p style="margin-left: 112px; text-align: left;"><span style="font-size: 14px; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">第一步：</span></p><pre class="prism-highlight prism-language-bash"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">vi&nbsp;filter.xml<br style="text-align: left;"/></span></pre><p style="margin-left:112px"><span style="font-size: 14px; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"><br style="text-align: left;"/></span></p><blockquote style="text-align: left;"><p style="text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">&nbsp;&nbsp;&nbsp;&nbsp;&lt;filter&gt;</span></p><p style="text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;platform&gt;发送渠道名称&lt;/platform&gt;</span></p><p style="text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;class_path&gt;lib.filter.gengrate_metadata&lt;/class_path&gt;</span></p><p style="text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;class&gt;GenerateMetaData&lt;/class&gt;</span></p><p style="text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;old_metadata&gt;${severity}&lt;/old_metadata&gt;</span></p><p style="text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;new_metadata&gt;mobile&lt;/new_metadata&gt;</span></p><p style="text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;tranfile&gt;config/sendTarget_mapping.txt&lt;/tranfile&gt;</span></p><p style="text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;default&gt;发送默认手机号&lt;/default&gt;</span></p><p style="text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;verify&gt;</span></p><p style="text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;policy&gt;checkLength&lt;/policy&gt;</span></p><p style="text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;checklength&gt;11&lt;/checklength&gt;</span></p><p style="text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;split_symbol&gt;,&lt;/split_symbol&gt;</span></p><p style="text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;/verify&gt;</span></p><p style="text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">&lt;/filter&gt;</span></p></blockquote><p style="margin-left: 112px; text-align: left;"><span style="font-size: 14px; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">第二步：</span></p><pre class="prism-highlight prism-language-bash"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">vi&nbsp;plugins.xml<br style="text-align: left;"/></span></pre><blockquote style="text-align: left;"><p style="text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">&lt;plugins&gt;</span></p><p style="text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">&nbsp;&nbsp;&nbsp;&nbsp;&lt;plugin&gt;</span></p><p style="text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;platform&gt;发送渠道名称&lt;&lt;/platform&gt;</span></p><p style="text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">&lt;class_path&gt;lib.plugins.dispatcher_plugin&lt;/class_path&gt;</span></p><p style="text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">&lt;class&gt;DispatcherPlugin&lt;/class&gt;</span></p><p style="text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;split_data&gt;mobile&lt;/split_data&gt;</span></p><p style="text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">&lt;split_symbol&gt;,&lt;/split_symbol&gt;</span></p><p style="text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">&nbsp;&nbsp;&nbsp;&nbsp;&lt;/plugin&gt;</span></p><p style="text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">&lt;/plugins&gt;</span></p></blockquote><p style="margin-left: 112px; text-align: left;"><span style="font-size: 14px; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">第三步：创建手机号文本文件</span></p><pre class="prism-highlight prism-language-bash"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">vi&nbsp;sendTarget_mapping.txt<br style="text-align: left;"/></span></pre><blockquote style="text-align: left;"><p style="text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">#格式：告警级别+@#@+告警手机号</span></p><p style="text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">1@#@1393*******</span></p><p style="text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">2@#@1393*******</span></p><p style="text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">3@#@1393*******</span></p><p style="text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">4@#@1393*******</span></p><p style="text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">8@#@1393*******</span></p></blockquote><p style="margin-left: 56px; text-align: left;"><span style="font-size: 14px; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">完成.</span></p><p style="margin-left: 112px; text-align: left;"><span style="font-size: 14px; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">2)&nbsp;告警过滤指定租户</span></p><pre class="prism-highlight prism-language-bash"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">vi&nbsp;filter.xml<br style="text-align: left;"/></span></pre><blockquote style="text-align: left;"><p style="text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">&nbsp;&nbsp;&nbsp;&nbsp;&lt;filter&gt;</span></p><p style="text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;platform&gt;发送渠道名称&lt;/platform&gt;</span></p><p style="text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;class_path&gt;lib.filter.clusteridfilter&lt;/class_path&gt;</span></p><p style="text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;class&gt;ClusterIdFilter&lt;/class&gt;</span></p><p style="text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;clusteridfilter&gt;需要过滤的租户ID(多个逗号隔开)&lt;/clusteridfilter&gt;</span></p><p style="text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">&nbsp;&nbsp;&nbsp;&nbsp;&lt;/filter&gt;</span></p></blockquote><p style="margin-left: 112px; text-align: left;"><span style="font-size: 14px; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">3)&nbsp;告警过滤指定告警代码</span></p><p style="margin-left: 112px; text-align: left;"><span style="font-size: 14px; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">第一步：</span></p><pre class="prism-highlight prism-language-bash"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">vi&nbsp;filter.xml<br style="text-align: left;"/></span></pre><blockquote style="text-align: left;"><p style="text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">&nbsp;&nbsp;&nbsp;&nbsp;&lt;filter&gt;</span></p><p style="text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;platform&gt;发送渠道名称&lt;/platform&gt;</span></p><p style="text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;class_path&gt;lib.filter.alarmreasoncodefilter&lt;/class_path&gt;</span></p><p style="text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;class&gt;alarmreasoncodeFilter&lt;/class&gt;</span></p><p style="text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;whitelistpath&gt;config/whitelist.txt&lt;/whitelistpath&gt;</span></p><p style="text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">&lt;/filter&gt;</span></p></blockquote><p style="margin-left: 140px; text-align: left;"><span style="font-size: 14px; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">a.&nbsp;告警过滤指定告警代码</span></p><p style="margin-left: 112px; text-align: left;"><span style="font-size: 14px; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">第二步：编辑白名单文件</span></p><pre class="prism-highlight prism-language-bash"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">vi&nbsp;whitelist.txt<br style="text-align: left;"/>#1&nbsp;is&nbsp;open,0&nbsp;is&nbsp;close<br style="text-align: left;"/></span></pre><blockquote style="text-align: left;"><p style="text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">#格式：告警代码+逗号+0或1</span></p><p style="text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">2021401,1</span></p><p style="text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">2000101,1</span></p><p style="text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">2000109,1</span></p></blockquote><p style="text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">&nbsp;完成.</span></p><h1 style="text-align: left;"><span style="font-size: 16px; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">4、启动告警</span></h1><p style="margin-left: 56px; text-align: left;"><span style="font-size: 14px; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">(1)&nbsp;Insight会自动监听告警目录下的告警程序，只需将告警脚本重命名即可</span></p><pre class="prism-highlight prism-language-bash"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">cd&nbsp;&nbsp;$HOME_INSIGHT/script_monitor/scripts/alarm/<br style="text-align: left;"/></span></pre><p style="text-align:center"><img src="https://www.yangwuyu.com/zb_users/upload/2025/02/202502171739786167318971.png" alt="image.png"/></p><p style="margin-left: 28px; text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">&nbsp;</span></p><p style="margin-left:28px"><span style="font-size: 14px; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"></span></p><pre class="prism-highlight prism-language-bash"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">cd&nbsp;&nbsp;$HOME_INSIGHT/script_monitor/scripts/alarm/<br style="text-align: left;"/>mv&nbsp;&nbsp;send_alarm.py*&nbsp;&nbsp;send_alarm.py<br style="text-align: left;"/></span></pre><p style="text-indent: 28px; text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">检查是否启动,有进程即启动成功</span></p><pre class="prism-highlight prism-language-bash"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">ps&nbsp;-ef&nbsp;|grep&nbsp;send_alarm<br style="text-align: left;"/></span></pre><p style="text-align:center"><img src="https://www.yangwuyu.com/zb_users/upload/2025/02/202502171739786171282498.png" alt="image.png"/></p><p style="text-indent: 28px; text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">&nbsp;</span></p><h1 style="text-align: left;"><span style="font-size: 16px; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">5、查看日志</span></h1><p style="margin-left:28px"><span style="font-size: 14px; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"></span></p><pre><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">cd&nbsp;&nbsp;$HOME_INSIGHT/script_monitor/scripts/alarm/log<br style="text-align: left;"/>tail&nbsp;-f&nbsp;send_alarm.log<br style="text-align: left;"/></span></pre><p style="text-align:center"><img src="https://www.yangwuyu.com/zb_users/upload/2025/02/202502171739786176262880.png" alt="image.png"/></p><p style="margin-left: 28px; text-align: left;"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">&nbsp;</span></p>Wed, 15 Jan 2025 17:48:53 +0800https://www.yangwuyu.com/?id=4<h1><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"><strong><span style="font-size: 12pt;">node_exporter</span></strong><strong><span style="font-size: 12pt;"><o:p></o:p></span></strong></span></h1><h2><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"><strong><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">下载：(目标机)</span></strong><strong><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"><o:p></o:p></span></strong></span></h2><p class="MsoNormal"><a href="https://github.com/prometheus/node_exporter/releases" style="color: rgb(0, 0, 255); text-decoration: underline; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"><span style="color: #0000FF; text-decoration: underline; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">https://github.com/prometheus/node_exporter/releases</span></a><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"><o:p></o:p></span></p><p class="MsoNormal"><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">解压后启动<o:p></o:p></span></p><pre class="prism-highlight prism-language-bash"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">tar&nbsp;-xvf&nbsp;node*.tar.gz<br/></span></pre><h2><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"><strong><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">启动：</span></strong></span></h2><pre class="prism-highlight prism-language-bash"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">nohup&nbsp;/opt/node_exporter/node_exporter&nbsp;--no-collector.softnet&nbsp;&gt;&nbsp;/opt/node_exporter/node_exporter.log&nbsp;2&gt;&amp;1&nbsp;&amp;<br/></span></pre><p class="17"><img src="https://www.yangwuyu.com/zb_users/upload/2024/06/202406041717487083471592.png" alt="image.png"/><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"><o:p>&nbsp;</o:p></span></p><blockquote><p class="MsoNormal"><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">登录链接：</span><a href="http://ip:9100/" style="color: rgb(0, 0, 255); text-decoration: underline; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"><span style="color: #0000FF; text-decoration: underline; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">http://IP:9100</span></a><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"><o:p></o:p></span></p><p class="MsoNormal"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">账号：</span><span style="text-decoration: underline; color: #0000FF; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">prometheus</span><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"><o:p></o:p></span></span></p><p class="MsoNormal"><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">密码：见如下配置<o:p></o:p></span></p></blockquote><p class="17"><span style="font-size: 9pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"></span></p><pre class="prism-highlight prism-language-bash"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">yum&nbsp;install&nbsp;httpd-tools&nbsp;–y<br/>htpasswd&nbsp;-nBC&nbsp;12&nbsp;&#39;&#39;&nbsp;|&nbsp;tr&nbsp;-d&nbsp;&#39;:\n&#39;<br/>根据提示输入密码，生成密码后，复制<br/>ps&nbsp;-ef|grep&nbsp;node_exporter<br/></span></pre><p class="17"><span style="font-size: 9pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"> <o:p></o:p></span><br/></p><p class="17"><span style="font-size: 16px; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">根据配置文件修改</span></p><blockquote><p class="17"><span style="text-wrap-mode: wrap; font-size: 9pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">$2y$12$y4PaNc0UM0Jzi07jJf6zcuRFyp2GlH6F5rUKcE.xk3Aug2khcqa7m</span></p></blockquote><pre class="prism-highlight prism-language-bash">vi&nbsp;配置文件</pre><p class="MsoNormal"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;; font-size: 12pt;">更改密码为：</span><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;; text-decoration-line: underline; color: #0000FF;">123456</span></p><p class="MsoNormal"><img src="https://www.yangwuyu.com/zb_users/upload/2024/06/202406041717487093680655.png" alt="image.png"/><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"><o:p>&nbsp;</o:p></span></p><p class="MsoNormal"><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">重新加载配置文件<o:p></o:p></span></p><p class="17"><span style="font-size: 9pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"></span></p><pre class="prism-highlight prism-language-bash">ps&nbsp;-ef&nbsp;grep&nbsp;|grep&nbsp;prometheus kill&nbsp;-HUP&nbsp;PID</pre><p class="17"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;; font-size: 12pt;">同时更改</span><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;; font-size: 12pt;">Prometheus</span><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;; font-size: 12pt;">配置文件为密码访问：</span></p><blockquote><p>&nbsp; - job_name: &#39;webserver&#39;</p><p>&nbsp;&nbsp;&nbsp;&nbsp;basic_auth:</p><p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;username: prometheus</p><p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;password: 123456</p><p>&nbsp;&nbsp;&nbsp;&nbsp;static_configs:</p><p>&nbsp;&nbsp;&nbsp;&nbsp;- targets: [&#39;192.168.179.99:9100&#39;,&#39;192.168.179.102:9100&#39;]</p></blockquote><h1><strong style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"><span style="font-size: 12pt;">opengauss_exporter</span></strong></h1><pre class="prism-highlight prism-language-bash">unzip&nbsp;opengauss_exporter_0.0.9_linux_amd64.zip</pre><p class="17"><br/></p><blockquote><p># ./opengauss_exporter --help<o:p></o:p></p><p>usage: opengauss_exporter [&lt;flags&gt;]</p><p>Flags:<o:p></o:p></p><p>&nbsp;&nbsp;--help &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Show context-sensitive help (also try --help-long and --help-man).<o:p></o:p></p><p>&nbsp;&nbsp;--version &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Show application version.<o:p></o:p></p><p>&nbsp;&nbsp;--url=&quot;&quot; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;openGauss database target url<o:p></o:p></p><p>&nbsp;&nbsp;--config=&quot;&quot; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;path to config dir or file.<o:p></o:p></p><p>&nbsp;&nbsp;--constantLabels=&quot;&quot; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;A list of label=value separated by comma(,).<o:p></o:p></p><p>&nbsp;&nbsp;--disable-cache &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;force not using cache<o:p></o:p></p><p>&nbsp;&nbsp;--auto-discover-databases &nbsp;&nbsp;&nbsp;&nbsp;Whether to discover the databases on a server dynamically.<o:p></o:p></p><p>&nbsp;&nbsp;--exclude-databases=&quot;template0,template1&quot; &nbsp;<o:p></o:p></p><p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;A list of databases to remove when autoDiscoverDatabases is enabled<o:p></o:p></p><p>&nbsp;&nbsp;--namespace=&quot;pg&quot; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;prefix of built-in metrics, (og) by default<o:p></o:p></p><p>&nbsp;&nbsp;--web.listen-address=&quot;:9187&quot; &nbsp;Address to listen on for web interface and telemetry.<o:p></o:p></p><p>&nbsp;&nbsp;--web.telemetry-path=&quot;/metrics&quot; &nbsp;<o:p></o:p></p><p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Path under which to expose metrics.<o:p></o:p></p><p>&nbsp;&nbsp;--time-to-string &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;convert database timestamp to date string.<o:p></o:p></p><p>&nbsp;&nbsp;--dry-run &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;dry run and print default configs and user config<o:p></o:p></p><p>&nbsp;&nbsp;--disable-settings-metrics &nbsp;&nbsp;&nbsp;Do not include pg_settings metrics.<o:p></o:p></p><p>&nbsp;&nbsp;--explain &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;explain server planned queries<o:p></o:p></p><p>&nbsp;&nbsp;--parallel=5 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Specify the parallelism. the degree of parallelism is now useful query database thread<o:p></o:p></p><p>&nbsp;&nbsp;--log.level=&quot;info&quot; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Only log messages with the given severity or above. Valid levels: [debug, info, warn, error, fatal]<o:p></o:p></p><p>&nbsp;&nbsp;--log.format=&quot;logger:stderr&quot; &nbsp;Set the log target and format. Example: &quot;logger:syslog?appname=bob&amp;local=7&quot; or &quot;logger:stdout?json=true&quot;<span style="font-size: 11pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"><o:p></o:p></span></p></blockquote><p class="MsoNormal"><br/></p><h2><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"><strong><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">参数配置：</span></strong><strong><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"><o:p></o:p></span></strong></span></h2><p class="MsoNormal"><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">方式一：直接修改postgresql.conf参数文件<o:p></o:p></span></p><blockquote><p class="MsoNormal"><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">password_encryption_type=1<o:p></o:p></span></p></blockquote><p class="MsoNormal"><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">重新加载数据库<o:p></o:p></span></p><pre class="prism-highlight prism-language-bash">gsql&nbsp;-p&nbsp;$port&nbsp;postgres&nbsp;-r&nbsp;-c&nbsp;“select&nbsp;pg_reload_conf();”</pre><p class="MsoNormal"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;; font-size: 12pt;">方式二：使用集群管理工具</span></p><pre class="prism-highlight prism-language-bash">gs_guc&nbsp;reload&nbsp;-I&nbsp;all&nbsp;-N&nbsp;all&nbsp;-c&nbsp;&quot;password_encryption_type=1&quot;</pre><p class="17"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;; font-size: 12pt;">集群采用方法二：</span></p><p class="MsoNormal"><img src="https://www.yangwuyu.com/zb_users/upload/2024/06/202406041717487103308813.png" alt="image.png"/><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"><o:p>&nbsp;</o:p></span></p><p class="MsoNormal"><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"><o:p>&nbsp;</o:p></span><span style="background-color: #F8F8F8;">echo &quot;password_encryption_type=1&quot; &gt;&gt; postgresql.conf</span></p><h2><strong style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"><span style="font-size: 12pt;">访问控制：</span></strong></h2><p class="MsoNormal"><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">将opengauss_exporter部署服务器的ip地址以md5的加密方式加入白名单；<o:p></o:p></span></p><p class="MsoNormal"><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">如果是部署在本地服务器，需要以md5的方式添加在host all all 127.0.0.1/32 trust前面，<o:p></o:p></span></p><p class="MsoNormal"><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">否则会有FATAL：Forbid remote connection with trust method! 报错<o:p></o:p></span></p><p class="MsoNormal"><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">方式一：直接修改pg_hba.conf文件，不需要加载<o:p></o:p></span></p><blockquote><p class="MsoNormal"><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">host dbname opengauss_exporter x.x.x.x/32 md5<o:p></o:p></span></p></blockquote><p class="MsoNormal"><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"><o:p>&nbsp;</o:p></span><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;; font-size: 12pt;">方式二：使用管理工具</span></p><pre class="prism-highlight prism-language-bash">gs_guc&nbsp;reload&nbsp;-I&nbsp;all&nbsp;-N&nbsp;all&nbsp;-h&nbsp;&quot;host&nbsp;all&nbsp;opengauss_exporter&nbsp;0.0.0.0/32&nbsp;md5&quot;</pre><p class="17"><img src="https://www.yangwuyu.com/zb_users/upload/2024/06/202406041717487115298809.png" alt="image.png"/></p><h2><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"><strong><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">配置数据库用户：</span></strong><strong><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"><o:p></o:p></span></strong></span></h2><p class="MsoNormal"><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">1.0.1版本的数据库，创建用户需要带有sysadmin权限；<o:p></o:p></span></p><p class="MsoNormal"><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">1.1.0版本的数据库，创建用户需要带有monadmin权限的，<o:p></o:p></span></p><p class="17"><span style="font-size: 9pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">密码复杂度需要符合数据库密码策略<o:p></o:p></span></p><p class="17"><span style="font-size: 9pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"></span></p><pre class="prism-highlight prism-language-sql">CREATE&nbsp;USER&nbsp;opengauss_exporter&nbsp;WITH&nbsp;PASSWORD&nbsp;&#39;opengauss_exporter123&#39;&nbsp;MONADMIN; grant&nbsp;usage&nbsp;on&nbsp;schema&nbsp;dbe_perf&nbsp;to&nbsp;opengauss_exporter; grant&nbsp;select&nbsp;on&nbsp;pg_stat_replication&nbsp;to&nbsp;opengauss_exporter;</pre><p class="17"><img src="https://www.yangwuyu.com/zb_users/upload/2024/06/202406041717487137902492.png" alt="image.png"/><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"><o:p>&nbsp;</o:p></span></p><h2><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">创建数据库：<o:p></o:p></span></h2><pre class="prism-highlight prism-language-bash">pw_initdb&nbsp;-D&nbsp;/home/panweidb/data/panweidb&nbsp;--nodename&nbsp;panweidb&nbsp;-&nbsp;w&nbsp;panwei@123&nbsp;--dbcompatibility=PG</pre><pre class="prism-highlight prism-language-sql">create&nbsp;database&nbsp;ogexporter&nbsp;DBCOMPATIBILITY=&#39;PG&#39;;--此命令磐维不适用</pre><h2><strong style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"><span style="font-size: 12pt;">配置监控主机环境变量</span></strong></h2><p class="MsoNormal"><span style="color: #FF0000; font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">可将以下配置添加到～/.bashrc 文件，也可以在每次执行命令前执行<o:p></o:p></span></p><pre class="prism-highlight prism-language-bash">export&nbsp;DATA_SOURCE_NAME=&quot;host=x.x.x.x&nbsp;user=xxx&nbsp;password=xxx&nbsp;port=xxx&nbsp;dbname=xxx&nbsp;sslmode=disable&quot;</pre><p class="MsoNormal"><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"><o:p>&nbsp;</o:p></span><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;; font-size: 12pt;">or</span></p><pre class="prism-highlight prism-language-bash">export&nbsp;DATA_SOURCE_NAME=&quot;postgresql://username:password@hostname:port/dbname?sslmode=disable&quot;</pre><p class="MsoNormal"><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"><o:p>&nbsp;</o:p></span><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;; font-size: 12pt;">or</span></p><p class="17"><span style="font-size: 9pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">监控多实例<o:p></o:p></span></p><pre class="prism-highlight prism-language-bash">export&nbsp;DATA_SOURCE_NAME=&quot;postgresql://username:password@hostname:port/dbname?sslmode=disable,postgresql://username2:password2@hostname2:port2/dbname2?sslmode=disable&quot;</pre><pre class="prism-highlight prism-language-bash">export&nbsp;DATA_SOURCE_NAME=&quot;host=10.176.52.195&nbsp;user=opengauss_exporter&nbsp;password=opengauss_exporter123&nbsp;port=17700&nbsp;dbname=test&nbsp;sslmode=disable&quot;</pre><p><strong style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"><span style="font-size: 12pt;">启动</span></strong></p><pre class="prism-highlight prism-language-bash">nohup&nbsp;/opt/opengauss_exporter/opengauss_exporter&nbsp;--config=&quot;/opt/opengauss_exporter/default_all_20240303.yaml&quot;&nbsp;--log.level=debug&nbsp;--auto-discover-databases&nbsp;--exclude-databases=&quot;template0,template1&quot;&nbsp;--web.listen-address=&quot;:9187&quot;&nbsp;--parallel=5&nbsp;&gt;&gt;&nbsp;/opt/opengauss_exporter/opengauss_exporter.log&nbsp;2&gt;&amp;1&nbsp;&amp;</pre><p class="17"><img src="https://www.yangwuyu.com/zb_users/upload/2024/06/202406041717487149165153.png" alt="image.png"/><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"><o:p>&nbsp;</o:p></span></p><p class="MsoNormal"><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"><o:p>&nbsp;</o:p></span></p><h1><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"><strong><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">Prometheus</span></strong><strong><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"><o:p></o:p></span></strong></span></h1><h2><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"><strong><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">解压</span></strong><strong><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"><o:p></o:p></span></strong></span></h2><p class="17"><span style="font-size: 9pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"></span></p><pre class="prism-highlight prism-language-bash">tar&nbsp;-zxvf&nbsp;prometheus-2.51.2.linux-amd64.tar.gz cd&nbsp;prometheus-2.51.2.linux-amd64</pre><p class="17"><strong style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"><span style="font-size: 12pt;">编辑配置文件（缩进要求严格，请按照原有格式进行缩进）</span></strong></p><pre class="prism-highlight prism-language-bash">vim&nbsp;prometheus.yml</pre><p class="17"><span style="font-size: 9pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"><o:p></o:p></span><br/></p><blockquote><p>&nbsp;&nbsp;&nbsp;&nbsp;# metrics_path defaults to &#39;/metrics&#39;<o:p></o:p></p><p>&nbsp;&nbsp;&nbsp;&nbsp;# scheme defaults to &#39;http’.<o:p></o:p></p><p><o:p>&nbsp;</o:p>&nbsp; &nbsp; static_configs:</p><p>&nbsp;&nbsp;&nbsp;&nbsp;- targets: [&#39;localhost:9090&#39;]<o:p></o:p></p><p><o:p>&nbsp;</o:p>&nbsp; - job_name: &#39;Panwei&#39;</p><p>&nbsp;&nbsp;&nbsp;&nbsp;static_configs:<o:p></o:p></p><p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;- targets: [&quot;IP:9187&quot;]<o:p></o:p></p><p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;labels:<o:p></o:p></p><p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;instance: &#39;panwei_primy&#39;<o:p></o:p></p><p>&nbsp;&nbsp;- job_name: &#39;node&#39;<o:p></o:p></p><p>&nbsp;&nbsp;&nbsp;&nbsp;basic_auth:<o:p></o:p></p><p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;username: prometheus<o:p></o:p></p><p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;password: 123456<o:p></o:p></p><p>&nbsp;&nbsp;&nbsp;&nbsp;static_configs:<o:p></o:p></p><p>&nbsp;&nbsp;&nbsp;&nbsp;- targets: [&#39;localhost:9100&#39;]<span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"><o:p></o:p></span></p></blockquote><p class="MsoNormal"><img src="https://www.yangwuyu.com/zb_users/upload/2024/06/202406041717487162109162.png" alt="image.png"/></p><h2><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"><strong><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">启动：</span></strong><strong><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"><o:p></o:p></span></strong></span></h2><pre class="prism-highlight prism-language-bash">nohup&nbsp;/opt/prometheus/prometheus&nbsp;--web.listen-address=:9090&nbsp;--config.file=/opt/prometheus/prometheus.yml&nbsp;--web.enable-lifecycle&nbsp;&gt;&nbsp;/opt/prometheus/prometheus.log&nbsp;2&gt;&amp;1&nbsp;&amp;</pre><p class="17"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;; font-size: 9pt;">--判断是否启动成功</span></p><pre class="prism-highlight prism-language-bash">curl&nbsp;http://IP:9090/metrics&nbsp;|&nbsp;wc&nbsp;-l</pre><p class="17"><img src="https://www.yangwuyu.com/zb_users/upload/2024/06/202406041717487170719335.png" alt="image.png"/><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">&nbsp;</span></p><p class="MsoNormal"><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"><o:p>&nbsp;</o:p></span><strong style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"><span style="font-size: 12pt;">重新加载配置文件</span></strong></p><p class="17"><span style="font-size: 9pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"></span></p><pre class="prism-highlight prism-language-bash">ps&nbsp;-ef&nbsp;|grep&nbsp;prometheus kill&nbsp;-HUP&nbsp;PID</pre><h1><strong style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"><span style="font-size: 12pt;">Grafana</span></strong></h1><h2><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"><strong><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">安装</span></strong><strong><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"><o:p></o:p></span></strong></span></h2><pre class="prism-highlight prism-language-bash">yum&nbsp;install&nbsp;-y&nbsp;grafana-enterprise-10.4.2-1.x86_64.rpm</pre><p class="17"><strong style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"><span style="font-size: 12pt;">创建数据库存储</span></strong></p><p class="17"><span style="font-size: 9pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"></span></p><pre class="prism-highlight prism-language-sql">create&nbsp;user&nbsp;grafanaer&nbsp;login&nbsp;encrypted&nbsp;password&nbsp;&#39;grafanaer@123&#39;; create&nbsp;database&nbsp;grafana&nbsp;owner&nbsp;grafanaer;</pre><p class="17"><br/></p><pre class="prism-highlight prism-language-bash">修改postgresql的pg_hba.cnf文件 vim&nbsp;/data/pg_data/pg_hba.conf</pre><blockquote><p class="17"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;; font-size: 12pt; text-align: justify;">host &nbsp;&nbsp;&nbsp;all &nbsp;&nbsp;all &nbsp;&nbsp;&nbsp;0.0.0.0/32 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;trust</span></p></blockquote><p class="17"><span style="font-size: 9pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">---修改配置文件<o:p></o:p></span></p><pre class="prism-highlight prism-language-bash">vim&nbsp;/etc/grafana/grafana.ini</pre><blockquote><p>type = postgres</p><p>host = IP:17700<o:p></o:p></p><p>name = grafana<o:p></o:p></p><p>user = grafanaer<o:p></o:p></p><p>password = grafanaer@123<o:p></o:p></p><p>autoMigrateOldPanels = true<span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"><o:p></o:p></span></p></blockquote><h2><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"><o:p>&nbsp;</o:p></span><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;; font-size: 16px;">启动：</span></h2><p class="17"><span style="font-size: 9pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"></span></p><pre class="prism-highlight prism-language-bash">systemctl&nbsp;daemon-reload systemctl&nbsp;enable&nbsp;grafana-server.service systemctl&nbsp;start&nbsp;grafana-server systemctl&nbsp;status&nbsp;grafana-server</pre><h2><strong style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"><span style="font-size: 12pt;">打开web界面</span></strong></h2><p class="MsoNormal"><a href="http://xxx.xxx.xxx:3000/" style="color: rgb(0, 0, 255); text-decoration: underline; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"><span style="color: #0000FF; text-decoration: underline; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">http://xxx.xxx.xxx:3000</span></a><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"><o:p></o:p></span></p><h2><strong style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"><span style="font-size: 12pt;">添加数据源</span></strong></h2><h2><img src="https://www.yangwuyu.com/zb_users/upload/2024/06/202406041717487228427210.png" alt="image.png"/><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"><strong><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"><o:p></o:p></span></strong></span></h2><p class="MsoNormal"><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"><o:p>&nbsp;</o:p></span><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;; font-size: 12pt;">测试添加完成后，点击Dashboards</span></p><p class="MsoNormal"><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"><o:p>&nbsp;</o:p></span><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;; font-size: 12pt;">选择Prometheus 2.0 Stats，点击import</span></p><p class="MsoNormal"><img src="https://www.yangwuyu.com/zb_users/upload/2024/06/202406041717487261743086.png" alt="image.png"/><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"><o:p>&nbsp;</o:p></span></p><p class="MsoNormal"><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">导入成功<o:p></o:p></span></p><p class="MsoNormal"><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">再导入opengauss的Dashboards<o:p></o:p></span></p><p class="MsoNormal"><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"><o:p>&nbsp;</o:p></span><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;; font-size: 12pt;">&nbsp;</span><img src="https://www.yangwuyu.com/zb_users/upload/2024/06/202406041717487274784510.png" alt="image.png" style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;; font-size: 12pt;"/></p><p class="MsoNormal"><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"><o:p>&nbsp;</o:p></span><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;; font-size: 12pt;">&nbsp;</span></p><h2><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">Grafana报错处理：<o:p></o:p></span></h2><p class="MsoNormal"><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">this panel requires angluar (deprecated)<o:p></o:p></span></p><p class="MsoNormal"><img src="https://www.yangwuyu.com/zb_users/upload/2024/06/202406041717487282114681.png" alt="image.png"/><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"><o:p>&nbsp;</o:p></span></p><p class="MsoNormal"><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">查找配置文件目录：<o:p></o:p></span></p><p class="MsoNormal"><img src="https://www.yangwuyu.com/zb_users/upload/2024/06/202406041717487287385651.png" alt="image.png"/><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"><o:p>&nbsp;</o:p></span></p><p class="MsoNormal"><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"></span></p><pre class="prism-highlight prism-language-bash">cd&nbsp;/etc/grafana/ cp&nbsp;grafana.ini&nbsp;grafana.ini.bak vi&nbsp;grafana.ini</pre><p class="MsoNormal"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;; font-size: 12pt;">末尾添加：</span></p><blockquote><p>autoMigrateOldPanels = true<span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"><o:p></o:p></span></p></blockquote><p class="MsoNormal"><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">重启服务<o:p></o:p></span></p><p class="MsoNormal"><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"></span></p><pre class="prism-highlight prism-language-bash">systemctl&nbsp;disable&nbsp;grafana-server.service systemctl&nbsp;stop&nbsp;grafana-server</pre><p class="MsoNormal"><br/></p><pre class="prism-highlight prism-language-bash">systemctl&nbsp;daemon-reload systemctl&nbsp;enable&nbsp;grafana-server.service systemctl&nbsp;start&nbsp;grafana-server</pre><p class="MsoNormal"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;; font-size: 12pt;">报错网页重定向过多：df -h 查看磁盘是否占满</span></p><p class="MsoNormal"><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">清理磁盘，重启服务<o:p></o:p></span></p><p class="MsoNormal"><img src="https://www.yangwuyu.com/zb_users/upload/2024/06/202406041717487295171463.png" alt="image.png"/><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"><o:p>&nbsp;</o:p></span></p><h1><strong style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"><span style="font-size: 12pt;">alertmanager安装部署</span></strong></h1><h2><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">下载解压<o:p></o:p></span></h2><p class="MsoNormal"><a href="https://github.com/prometheus/alertmanager/releases" target="_self"><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">https://github.com/prometheus/alertmanager/releases</span></a><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"><o:p></o:p></span></p><p class="MsoNormal"><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"><o:p>&nbsp;</o:p></span></p><p class="MsoNormal"><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">这里以0.27.0为例<o:p></o:p></span></p><p class="MsoNormal"><a href="https://github.com/prometheus/alertmanager/releases/download/v0.27.0/alertmanager-0.27.0.linux-amd64.tar.gz" target="_self"><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">https://github.com/prometheus/alertmanager/releases/download/v0.27.0/alertmanager-0.27.0.linux-amd64.tar.gz</span></a><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"><o:p></o:p></span></p><p class="17"><span style="font-size: 9pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"></span></p><pre class="prism-highlight prism-language-bash">tar&nbsp;-zxvf&nbsp;alertmanager-0.27.0.linux-amd64.tar.gz&nbsp;-C&nbsp;/opt/ mv&nbsp;*&nbsp;/opt/alertmanager/alertmanager-0.27.0.linux-amd64/&nbsp;/opt/alertmanager cd&nbsp;/opt/alertmanager</pre><h2><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;; font-size: 12pt;">启动</span></h2><pre class="prism-highlight prism-language-bash">nohup&nbsp;/opt/alertmanager/alertmanager&nbsp;--config.file=/opt/alertmanager/alertmanager.yml&nbsp;&gt;&nbsp;/opt/alertmanager/alertmanager.log&nbsp;2&gt;&amp;1&nbsp;&amp;</pre><pre class="prism-highlight prism-language-bash">nohup&nbsp;/app/alertmanager/alertmanager&nbsp;--web.listen-address=&quot;:9494&quot;&nbsp;--config.file=/app/alertmanager/alertmanager.yml&nbsp;&gt;&nbsp;/app/alertmanager/alertmanager.log&nbsp;2&gt;&amp;1&nbsp;&amp;</pre><h2><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;; font-size: 12pt;">指定端口</span></h2><pre class="prism-highlight prism-language-bash">./alertmanager&nbsp;--config.file=alertmanager.yml&nbsp;--web.listen-address=&quot;:9093&quot;</pre><h2><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;; font-size: 12pt;">web查看</span></h2><p class="MsoNormal"><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">直接在浏览器输入：http://IP:9093，如果能打开界面，说明alertmanager配置成功<o:p></o:p></span></p><h2><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"><strong><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">添加到prometheus</span></strong><strong><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"><o:p></o:p></span></strong></span></h2><p class="MsoNormal"><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">alertmanager 的默认端口是9093，需要将alertmanager添加到prometheus里统一管理<o:p></o:p></span></p><p class="MsoNormal"><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">--编辑prometheus配置文件<o:p></o:p></span></p><pre class="prism-highlight prism-language-bash">vi&nbsp;/opt/prometheus.yaml</pre><p class="MsoNormal"><img src="https://www.yangwuyu.com/zb_users/upload/2024/06/202406041717487312427511.png" alt="image.png"/><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"><o:p>&nbsp;</o:p></span></p><blockquote><p># Alertmanager configuration<o:p></o:p></p><p>alerting:<o:p></o:p></p><p>&nbsp;&nbsp;alertmanagers:<o:p></o:p></p><p>&nbsp;&nbsp;&nbsp;&nbsp;- static_configs:<o:p></o:p></p><p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;- targets:<o:p></o:p></p><p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;- IP:9093<o:p></o:p></p><p><o:p>&nbsp;</o:p># Load rules once and periodically evaluate them according to the global &#39;evaluation_interval&#39;.</p><p>rule_files:<o:p></o:p></p><p>&nbsp;&nbsp;&nbsp;- &quot;rules/*.yml&quot;<o:p></o:p></p><p>&nbsp;&nbsp;# - &quot;first_rules.yml&quot;<o:p></o:p></p><p>&nbsp;&nbsp;# - &quot;second_rules.yml&quot;<span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"><o:p></o:p></span></p></blockquote><p class="MsoNormal"><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"><o:p>&nbsp;</o:p></span></p><h2><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">添加规则示例<o:p></o:p></span></h2><p class="MsoNormal"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"><span style="font-size: 12pt; background: #D9D9D9; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"></span></span></p><pre class="prism-highlight prism-language-bash">mkdir&nbsp;/opt/prometheus/rules&nbsp;&nbsp;--（相对prometheus路径） vim&nbsp;node_rules.yml</pre><blockquote><p>groups:<o:p></o:p></p><p>&nbsp;&nbsp;&nbsp;&nbsp;- name: node_rule<o:p></o:p></p><p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;rules:<o:p></o:p></p><p><o:p>&nbsp;</o:p></p><p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;- alert: server status<o:p></o:p></p><p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;expr: up == 0<o:p></o:p></p><p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;for: 10s<o:p></o:p></p><p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;labels:<o:p></o:p></p><p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;severity: critical<o:p></o:p></p><p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;service: node<o:p></o:p></p><p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;annotations:<o:p></o:p></p><p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;summary: &quot;{{$labels.instance}}: instance down&quot;<o:p></o:p></p><p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;description: &quot;{{$labels.instance}}: instance down&quot;<o:p></o:p></p><p><o:p>&nbsp;</o:p></p><p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;- alert: Disk Usage<o:p></o:p></p><p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;expr: 100-(node_filesystem_free_bytes{fstype=~&quot;ext4|xfs&quot;}/node_filesystem_size_bytes {fstype=~&quot;ext4|xfs&quot;}*100) &gt; 50<o:p></o:p></p><p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;for: 1m<o:p></o:p></p><p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;labels:<o:p></o:p></p><p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;severity: warning<o:p></o:p></p><p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;type: &quot;service&quot;<o:p></o:p></p><p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;service: node<o:p></o:p></p><p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;oid: &quot;1.3.6.1.4.1.98789.0.1&quot;<o:p></o:p></p><p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;annotations:<o:p></o:p></p><p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;summary: &quot;Disk used too high&quot;<o:p></o:p></p><p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;description: &quot;Service {{ $labels.instance}} : {{$value}}%)&quot;<span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"><o:p></o:p></span></p></blockquote><h2><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"><strong><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">重新加载配置文件</span></strong><strong><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"><o:p></o:p></span></strong></span></h2><p class="17"><span style="font-size: 9pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"></span></p><pre class="prism-highlight prism-language-bash">ps&nbsp;-ef&nbsp;|grep&nbsp;prometheus kill&nbsp;-HUP&nbsp;PID</pre><h2><span style="font-family:微软雅黑, Microsoft YaHei"><span style="font-size: 16px;">测试：</span></span></h2><p class="17"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;; font-size: 12pt;">修改告警规则：测试告警是否正常</span></p><p class="MsoNormal"><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">修改磁盘超过5%就告警<o:p></o:p></span></p><p class="MsoNormal"><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;; font-size: 12pt;">出现这个说明告警正常</span></p><h1><strong style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"><span style="font-size: 12pt;">告警配置</span></strong></h1><h2><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">下载snmp_notifier<o:p></o:p></span></h2><p class="MsoNormal"><a href="https://github.com/maxwo/snmp_notifier/releases/download/v1.5.0/snmp_notifier-1.5.0.linux-amd64.tar.gz" style="color: rgb(0, 0, 255); text-decoration: underline; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"><span style="color: #0000FF; text-decoration: underline; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">https://github.com/maxwo/snmp_notifier/releases/download/v1.5.0/snmp_notifier-1.5.0.linux-amd64.tar.gz</span></a></p><h2><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">解压启动snmp_notifier<o:p></o:p></span></h2><p class="MsoNormal"><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"></span></p><pre class="prism-highlight prism-language-bash">tar&nbsp;-zxvf&nbsp;snmp_notifier-1.5.0.linux-amd64.tar.gz&nbsp;-C&nbsp;/opt mv&nbsp;/opt/snmp_notifier-1.5.0.linux-amd64&nbsp;/opt/snmp_notifier cd&nbsp;/opt/snmp_notifier nohup&nbsp;/opt/snmp_notifier/snmp_notifier&nbsp;&gt;&nbsp;/opt/snmp_notifier/snmp_notifier.log&nbsp;2&gt;&amp;1&nbsp;&amp; nohup&nbsp;/app/snmp_notifier/snmp_notifier&nbsp;&gt;&nbsp;/app/snmp_notifier/snmp_notifier.log&nbsp;2&gt;&amp;1&nbsp;&amp; netstat&nbsp;-nap&nbsp;|grep&nbsp;-i&nbsp;9464</pre><blockquote><p>tcp6 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;0 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;0 :::9464 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;:::* &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;LISTEN &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;14502/snmp_notifier<span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"><o:p></o:p></span></p></blockquote><h2><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">访问：</span></h2><p><a href="http://ip:9464/" style="color: rgb(0, 0, 255); text-decoration: underline; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"><span style="color: #0000FF; text-decoration: underline; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">http://IP:9464</span></a><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"><o:p></o:p></span></p><p class="MsoNormal"><img src="https://www.yangwuyu.com/zb_users/upload/2024/06/202406041717487350858540.png" alt="image.png"/><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"><o:p>&nbsp;</o:p></span></p><h2><span style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"><strong><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">修改alertmanager.yml配置文件</span></strong><strong><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"><o:p></o:p></span></strong></span></h2><p class="MsoNormal"><img src="https://www.yangwuyu.com/zb_users/upload/2024/06/202406041717487355859276.png" alt="image.png"/><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"><o:p>&nbsp;</o:p></span></p><blockquote><p>route:<o:p></o:p></p><p>&nbsp;&nbsp;group_by: [&#39;alertname&#39;]<o:p></o:p></p><p>&nbsp;&nbsp;group_wait: 30s<o:p></o:p></p><p>&nbsp;&nbsp;group_interval: 5m<o:p></o:p></p><p>&nbsp;&nbsp;repeat_interval: 1h<o:p></o:p></p><p>&nbsp;&nbsp;receiver: &#39;snap_notifier&#39;<o:p></o:p></p><p>receivers:<o:p></o:p></p><p>&nbsp;&nbsp;- name: &#39;snap_notifier&#39;<o:p></o:p></p><p>&nbsp;&nbsp;&nbsp;&nbsp;webhook_configs:<o:p></o:p></p><p>&nbsp;&nbsp;&nbsp;&nbsp;- send_resolved: true<o:p></o:p></p><p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;- url: &#39;http://IP:9464/alerts&#39;<o:p></o:p></p><p>inhibit_rules:<o:p></o:p></p><p>&nbsp;&nbsp;- source_match:<o:p></o:p></p><p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;severity: &#39;critical&#39;<o:p></o:p></p><p>&nbsp;&nbsp;&nbsp;&nbsp;target_match:<o:p></o:p></p><p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;severity: &#39;warning&#39;<o:p></o:p></p><p>&nbsp;&nbsp;&nbsp;&nbsp;equal: [&#39;alertname&#39;, &#39;dev&#39;, &#39;instance&#39;]<span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"><o:p></o:p></span></p></blockquote><p class="MsoNormal"><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">本地启动snaptrapd接受报警信息<o:p></o:p></span></p><pre class="prism-highlight prism-language-bash">snmptrapd&nbsp;-m&nbsp;ALL&nbsp;-f&nbsp;-Of&nbsp;-Lo&nbsp;-c&nbsp;/opt/software/snmp_notifier-1.2.1/scripts/snmptrapd.conf</pre><p class="MsoNormal"><strong style="font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"><span style="font-size: 12pt;">邮件告警</span></strong></p><p class="MsoNormal"><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">仅需要修改</span><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;; text-decoration: underline;">alertmanager.yml</span><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">文件即可<o:p></o:p></span></p><p><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"></span></p><blockquote><p><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"><o:p></o:p></span><o:p>&nbsp;</o:p>global:</p><p>&nbsp;&nbsp;resolve_timeout: 5m<o:p></o:p></p><p>&nbsp;&nbsp;smtp_from: &#39;nair@xxx.cn&#39;<o:p></o:p></p><p>&nbsp;&nbsp;smtp_smarthost: &#39;smtp.xxx.cn:587&#39;<o:p></o:p></p><p>&nbsp;&nbsp;smtp_auth_username: &#39;nair@xxx.cn&#39;<o:p></o:p></p><p>&nbsp;&nbsp;smtp_auth_password: &#39;xxxxxxx&#39;<o:p></o:p></p><p>&nbsp;&nbsp;smtp_hello: &#39;xxx.cn&#39;<o:p></o:p></p><p><o:p>&nbsp;</o:p></p><p>route:<o:p></o:p></p><p>&nbsp;&nbsp;group_by: [&#39;alertname&#39;]<o:p></o:p></p><p>&nbsp;&nbsp;group_wait: 5s<o:p></o:p></p><p>&nbsp;&nbsp;group_interval: 5s<o:p></o:p></p><p>&nbsp;&nbsp;repeat_interval: 1m<o:p></o:p></p><p>&nbsp;&nbsp;receiver: &#39;email&#39;<o:p></o:p></p><p>&nbsp;&nbsp;routes:<o:p></o:p></p><p>&nbsp;&nbsp;- receiver: email<o:p></o:p></p><p>&nbsp;&nbsp;&nbsp;&nbsp;group_wait: 10s<o:p></o:p></p><p>&nbsp;&nbsp;&nbsp;&nbsp;group_interval: 20s<o:p></o:p></p><p>&nbsp;&nbsp;&nbsp;&nbsp;repeat_interval: 30s<o:p></o:p></p><p>&nbsp;&nbsp;&nbsp;&nbsp;match_re:<o:p></o:p></p><p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;service: mysql|redis|postgres|node<o:p></o:p></p><p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;severity: critical<o:p></o:p></p><p><o:p>&nbsp;</o:p></p><p>&nbsp;&nbsp;- receiver: email<o:p></o:p></p><p>&nbsp;&nbsp;&nbsp;&nbsp;group_wait: 1m<o:p></o:p></p><p>&nbsp;&nbsp;&nbsp;&nbsp;group_interval: 1m<o:p></o:p></p><p>&nbsp;&nbsp;&nbsp;&nbsp;repeat_interval: 1m<o:p></o:p></p><p>&nbsp;&nbsp;&nbsp;&nbsp;match_re:<o:p></o:p></p><p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;service: mysql|redis|postgres|node<o:p></o:p></p><p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;severity: error<o:p></o:p></p><p><o:p>&nbsp;</o:p></p><p>&nbsp;&nbsp;- receiver: email<o:p></o:p></p><p>&nbsp;&nbsp;&nbsp;&nbsp;group_wait: 1h<o:p></o:p></p><p>&nbsp;&nbsp;&nbsp;&nbsp;group_interval: 1h<o:p></o:p></p><p>&nbsp;&nbsp;&nbsp;&nbsp;repeat_interval: 1h<o:p></o:p></p><p>&nbsp;&nbsp;&nbsp;&nbsp;match_re:<o:p></o:p></p><p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;service: mysql|redis|postgres|node<o:p></o:p></p><p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;severity: warning<o:p></o:p></p><p><o:p>&nbsp;</o:p></p><p>receivers:<o:p></o:p></p><p>- name: &#39;email&#39;<o:p></o:p></p><p>&nbsp;&nbsp;email_configs:<o:p></o:p></p><p>&nbsp;&nbsp;- to: &#39;xxx@xxxemail.cn&#39;<o:p></o:p></p><p>&nbsp;&nbsp;&nbsp;&nbsp;send_resolved: true<o:p></o:p></p><p>inhibit_rules:<o:p></o:p></p><p>&nbsp;&nbsp;- source_match:<o:p></o:p></p><p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;severity: &#39;critical&#39;<o:p></o:p></p><p>&nbsp;&nbsp;&nbsp;&nbsp;target_match:<o:p></o:p></p><p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;severity: &#39;warning&#39;<o:p></o:p></p><p>&nbsp;&nbsp;&nbsp;&nbsp;equal: [&#39;alertname&#39;, &#39;dev&#39;, &#39;instance&#39;]<span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"><o:p></o:p></span></p></blockquote><p class="MsoNormal" style="margin-left: 0pt; text-indent: 0pt;"><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"><o:p>&nbsp;</o:p></span></p><p class="MsoNormal" style="margin-left: 0pt; text-indent: 0pt;"><span style="font-size: 12pt; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"><o:p>&nbsp;</o:p></span></p>Tue, 04 Jun 2024 15:40:16 +0800https://www.yangwuyu.com/?id=3<p><span style="white-space-collapse: collapse;"></span></p><!--more--><p>======库外操作======<span style="white-space-collapse: collapse;"></span></p><p><span style="text-wrap: nowrap;">--检查端口</span></p><p><span style="text-wrap: nowrap;"></span></p><pre class="prism-highlight prism-language-bash">netstat&nbsp;-anp&nbsp;|&nbsp;grep&nbsp;LISTEN&nbsp;|&nbsp;grep&nbsp;端口 netstat&nbsp;-tuln&nbsp;|&nbsp;grep&nbsp;端口 nmap&nbsp;-p&nbsp;17700-17710&nbsp;localhost nmap&nbsp;-p&nbsp;18800-18801&nbsp;指定IP telnet&nbsp;指定IP&nbsp;17705</pre><p><span style="text-wrap-mode: nowrap;">--网卡下线脚本</span></p><blockquote><p><span style="text-wrap: nowrap;">##内容头</span></p><p><span style="text-wrap: nowrap;">!/bin/bash</span></p><p><span style="text-wrap: nowrap;">ifdown bond1</span></p><p><span style="text-wrap: nowrap;">sleep 180</span></p><p><span style="text-wrap: nowrap;">ifup bond1</span></p><p><span style="text-wrap: nowrap;">##内容尾</span></p></blockquote><pre class="prism-highlight prism-language-bash">赋权：chmod&nbsp;775&nbsp;file_name 执行：nohup&nbsp;sh&nbsp;file_name&nbsp;&amp;</pre><p><span style="text-wrap: nowrap;"></span></p><p><span style="text-wrap: nowrap;">--设置数据库登录用户权限(pg_hba.conf)配置客户端认证方式</span></p><p><span style="text-wrap: nowrap;">下面示例中配置允许P地址为10.10.0.30的客户端以“jack”用户访问本机</span></p><pre class="prism-highlight prism-language-bash">gs_guc&nbsp;set&nbsp;-N&nbsp;all&nbsp;-I&nbsp;all&nbsp;-h&nbsp;&quot;host&nbsp;all&nbsp;jack&nbsp;10.10.0.30/32&nbsp;sha256&quot;</pre><p><span style="text-wrap: nowrap;"></span></p><blockquote><p style="text-align: left;"><span style="text-wrap-mode: nowrap;">TYPE&nbsp; &nbsp; &nbsp;DATABASE&nbsp; &nbsp; &nbsp; &nbsp; USER&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; ADDRESS&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;METHOD</span></p><p style="text-align: left;"><span style="text-wrap: nowrap;">&quot;local&quot; is for Unix domain socket connections only</span></p><p style="text-align: left;"><span style="text-wrap: nowrap;">#表示只允许以安装时-U参数指定的用户从服务器本机进行连接。</span></p><p style="text-align: left;"><span style="text-wrap: nowrap;">local&nbsp; &nbsp;all&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;all&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;trust</span></p><p style="text-align: left;"><span style="text-wrap: nowrap;">IPv4 local connections:</span></p><p style="text-align: left;"><span style="text-wrap: nowrap;">#表示允许omm用户从10.10.0.50主机上连接到任意数据库，使用sha256算法对密码进行加密。</span></p><p style="text-align: left;"><span style="text-wrap: nowrap;">host&nbsp; &nbsp; all&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;omm&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;10.10.0.50/32&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; sha256</span></p><p style="text-align: left;"><span style="text-wrap: nowrap;">#表示允许任何用户从10.10.0.0/24网段的主机上连接到任意数据库，使用sha256算法对密码进行加密，并且经过SSL加密传输。</span></p><p style="text-align: left;"><span style="text-wrap: nowrap;">hostssl&nbsp; &nbsp; all&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;all&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;10.10.0.0/24&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; sha256</span></p><p style="text-align: left;"><span style="text-wrap: nowrap;">#表示允许任何用户从10.10.0.0/24网段的主机上连接到任意数据库，使用Kerberos认证方式，当前版本暂不支持客户端kerberos认证。</span></p><p style="text-align: left;"><span style="text-wrap: nowrap;">host&nbsp; &nbsp; all&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;all&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;10.10.0.0/24&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; gss&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;include_realm=1&nbsp; &nbsp; &nbsp; &nbsp; krb_realm=HADOOP.COM</span></p></blockquote><p><span style="text-wrap-mode: nowrap;">--登录数据库</span></p><p><span style="text-wrap: nowrap;"></span></p><pre class="prism-highlight prism-language-bash">gsql&nbsp;-d&nbsp;db_name&nbsp;-p&nbsp;数据库主节点端口号 gsql&nbsp;-h&nbsp;&lt;IP&nbsp;地址&gt;&nbsp;-p&nbsp;&lt;端口号&gt;&nbsp;-d&nbsp;&lt;数据库名&gt;&nbsp;-U&nbsp;&lt;用户名&gt;</pre><p><span style="text-wrap-mode: nowrap;">--读主库参数</span></p><p><span style="text-wrap: nowrap;"></span></p><pre class="prism-highlight prism-language-bash">gsql&nbsp;-d&nbsp;postgres&nbsp;-p&nbsp;17700&nbsp;-c&nbsp;&quot;show&nbsp;synchronous_standby_names&quot; gsql&nbsp;-d&nbsp;postgres&nbsp;-p&nbsp;17700&nbsp;-c&nbsp;&quot;show&nbsp;listen_addresses&quot;</pre><p><span style="text-wrap-mode: nowrap;">--读备库参数</span></p><pre class="prism-highlight prism-language-bash">gsql&nbsp;-d&nbsp;postgres&nbsp;-p&nbsp;17700&nbsp;-c&nbsp;&quot;show&nbsp;synchronous_standby_names&quot;</pre><p><span style="text-wrap-mode: nowrap;">--查看集群状态</span></p><p><span style="text-wrap: nowrap;"></span></p><pre class="prism-highlight prism-language-bash">gs_om&nbsp;-t&nbsp;status&nbsp;--detail gs_ctl&nbsp;-t&nbsp;status&nbsp;--detail</pre><p><span style="text-wrap-mode: nowrap;">--查看集群vip节点</span><span style="text-wrap: nowrap;"></span></p><pre class="prism-highlight prism-language-bash">ip&nbsp;a|grep&nbsp;-i&nbsp;10.*</pre><p><span style="text-wrap-mode: nowrap;">--逻辑导出</span></p><pre class="prism-highlight prism-language-bash">gs_dumpall&nbsp;-f&nbsp;/database/backup/backup_all_20240428.sql&nbsp;-p&nbsp;17700</pre><p><span style="text-wrap-mode: nowrap;">--集群重启</span></p><pre class="prism-highlight prism-language-bash">cm_ctl&nbsp;stop&nbsp;&amp;&amp;&nbsp;cm_ctl&nbsp;start</pre><p><span style="text-wrap-mode: nowrap;">--备库节点1-switchover切换为主数据节点-切库</span></p><pre class="prism-highlight prism-language-bash">cm_ctl&nbsp;switchover&nbsp;-n&nbsp;1&nbsp;-D&nbsp;/database/panweidb/data</pre><p><span style="text-wrap-mode: nowrap;">--关闭集群指定节点Down</span></p><pre class="prism-highlight prism-language-bash">cm_ctl&nbsp;stop&nbsp;-n&nbsp;1&nbsp;-D&nbsp;/database/panweidb/data</pre><p><span style="text-wrap-mode: nowrap;">#需要变为主库的节点执行</span></p><p><span style="text-wrap: nowrap;">#主备切换</span></p><p><span style="text-wrap: nowrap;"></span></p><pre class="prism-highlight prism-language-bash">gs_ctl&nbsp;switchover&nbsp;-D&nbsp;/database/panweidb/data&nbsp;--主备切换 gs_om&nbsp;-t&nbsp;status&nbsp;--detail gs_om&nbsp;-t&nbsp;refreshconf cm_ctl&nbsp;set&nbsp;--cmsPromoteMode=PRIMARY_F&nbsp;-I&nbsp;1--更新默认信息为1节点</pre><p><span style="text-wrap-mode: nowrap;">切库后查看集群状态及vip节点</span></p><p><span style="text-wrap-mode: nowrap;">--主备节点切换为正常状态</span></p><pre class="prism-highlight prism-language-bash">cm_ctl&nbsp;switchover&nbsp;-n&nbsp;1&nbsp;-D&nbsp;/database/panweidb/data</pre><p><span style="text-wrap: nowrap;"></span><br/></p><p><span style="text-wrap: nowrap;">切库后查看集群状态及vip节点</span></p><p><span style="text-wrap-mode: nowrap;">--查看数据库参数</span></p><p><span style="text-wrap: nowrap;"></span></p><pre class="prism-highlight prism-language-bash">cm_ctl&nbsp;list&nbsp;--param&nbsp;--server&nbsp;|&nbsp;grep&nbsp;enable_transaction_read_only cm_ctl&nbsp;list&nbsp;--param&nbsp;--server&nbsp;|&nbsp;grep&nbsp;datastorage_threshold_value_check</pre><p><span style="text-wrap-mode: nowrap;">--集群参数在线修改</span></p><pre class="prism-highlight prism-language-bash">gs_guc&nbsp;reload&nbsp;-Z&nbsp;cmserver&nbsp;-N&nbsp;all&nbsp;-I&nbsp;all&nbsp;-c&nbsp;&quot;datastorage_threshold_value_check=90&quot;</pre><p><span style="text-wrap-mode: nowrap;">--查看业务中断时长</span></p><pre class="prism-highlight prism-language-bash">gsql&nbsp;-U&nbsp;test_ha&nbsp;-d&nbsp;postgres&nbsp;-h&nbsp;10.xx.xx.5&nbsp;-p&nbsp;17700&nbsp;-c&nbsp;&quot;select&nbsp;*&nbsp;from&nbsp;test_ha.test_ha&nbsp;order&nbsp;by&nbsp;1&nbsp;desc&nbsp;limit&nbsp;500;&quot;</pre><p><span style="text-wrap-mode: nowrap;">--初始化数据库 DB</span></p><p><span style="text-wrap: nowrap;"></span></p><pre class="prism-highlight prism-language-bash">pw_initdb&nbsp;-D&nbsp;/home/panweidb/data/panweidb&nbsp;--nodename&nbsp;panweidb&nbsp;-&nbsp;w&nbsp;panwei@123&nbsp;--dbcompatibility=A pw_initdb&nbsp;-D&nbsp;db_path/data/db_name&nbsp;--nodename&nbsp;node_name&nbsp;-&nbsp;w&nbsp;password&nbsp;--dbcompatibility=A</pre><p><span style="text-wrap-mode: nowrap;">#dbcompatibility=A&nbsp; 为DB的兼容模式 取值范围：A、B、C、PG。分别表示兼容O、MY、TD和POSTGRES</span><span style="text-wrap: nowrap;"></span></p><p><span style="text-wrap-mode: nowrap;">--查看用户计划任务</span></p><pre class="prism-highlight prism-language-bash">crontab&nbsp;-l</pre><p><span style="text-wrap-mode: nowrap;">--编辑用户计划任务</span></p><pre class="prism-highlight prism-language-bash">crontab&nbsp;-e</pre><hr/><p><span style="text-wrap: nowrap;"></span><br/></p><p><span style="text-wrap: nowrap;">======库内操作======</span></p><p><span style="text-wrap-mode: nowrap;">--查询数据库用户</span></p><pre class="prism-highlight prism-language-sql">SELECT&nbsp;rolname&nbsp;FROM&nbsp;pg_roles;</pre><p><span style="text-wrap-mode: nowrap;">--更改用户密码有效期</span></p><pre class="prism-highlight prism-language-sql">ALTER&nbsp;USER&nbsp;USER_NAME&nbsp;WITH&nbsp;VALID&nbsp;BEGIN&nbsp;&#39;2016-11-10&nbsp;08:00:00&#39;&nbsp;VALID&nbsp;UNTIL&nbsp;&#39;2017-11-10&nbsp;08:00:00&#39;;</pre><p><span style="text-wrap-mode: nowrap;">--更改用户截止日期</span><span style="text-wrap: nowrap;"></span></p><p><span style="text-wrap: nowrap;"></span></p><pre class="prism-highlight prism-language-sql">ALTER&nbsp;USER&nbsp;USER_NAME&nbsp;WITH&nbsp;VALID&nbsp;UNTIL&nbsp;&#39;2999-11-10&nbsp;08:00:00&#39;; ALTER&nbsp;USER&nbsp;&nbsp;WITH&nbsp;VALID&nbsp;UNTIL&nbsp;&#39;2999-11-10&nbsp;08:00:00&#39;;</pre><p><span style="text-wrap-mode: nowrap;">--查询慢SQL</span></p><p><span style="text-wrap: nowrap;"></span></p><pre class="prism-highlight prism-language-sql">SELECT&nbsp;activity.*,&nbsp;stats.*&nbsp;FROM&nbsp;pg_stat_activity&nbsp;AS&nbsp;activity JOIN&nbsp;pg_stat_statements&nbsp;AS&nbsp;stats&nbsp;ON&nbsp;activity.queryid&nbsp;=&nbsp;stats.queryid WHERE&nbsp;activity.state&nbsp;=&nbsp;&#39;active&#39;&nbsp;AND&nbsp;activity.query_start&nbsp;&lt;&nbsp;NOW()&nbsp;-&nbsp;INTERVAL&nbsp;&#39;5&nbsp;minutes&#39;&nbsp;AND&nbsp;stats.total_time&nbsp;&gt;&nbsp;1000;</pre><p><span style="text-wrap-mode: nowrap;">--查询正在执行的慢SQL</span></p><p><span style="text-wrap: nowrap;"></span></p><pre class="prism-highlight prism-language-sql">SELECT&nbsp;pid,query,query_id,&nbsp;&nbsp;usename,&nbsp;application_name,&nbsp;client_addr,&nbsp;state,&nbsp;query_start,&nbsp;now()&nbsp;-&nbsp;query_start&nbsp;AS&nbsp;query_duration FROM&nbsp;pg_stat_activity WHERE&nbsp;state&nbsp;=&nbsp;&#39;active&#39;&nbsp;AND&nbsp;now()&nbsp;-&nbsp;query_start&nbsp;&gt;&nbsp;INTERVAL&nbsp;&#39;1&nbsp;minute&#39; ORDER&nbsp;BY&nbsp;query_duration&nbsp;DESC;</pre><p><span style="text-wrap-mode: nowrap;">--关闭慢SQL</span></p><pre class="prism-highlight prism-language-sql">SELECT&nbsp;pg_terminate_backend(&lt;pid&gt;);</pre><p><span style="text-wrap-mode: nowrap;">--复制槽检查逻辑通道</span></p><pre class="prism-highlight prism-language-sql">select&nbsp;*&nbsp;from&nbsp;pg_create_logical_replication_slot(&#39;mdb_202405301556533_slot&#39;,&#39;wal2json&#39;);</pre><p><span style="text-wrap-mode: nowrap;">--设置大小写不敏感</span><span style="text-wrap: nowrap;"></span></p><pre class="prism-highlight prism-language-sql">set&nbsp;lower_case_table_names&nbsp;=&nbsp;1;</pre><p><span style="text-wrap-mode: nowrap;">--授权用户SCHEMA中的ALL权限</span><span style="text-wrap: nowrap;"></span></p><pre class="prism-highlight prism-language-sql">GRANT&nbsp;ALL&nbsp;PRIVILEGES&nbsp;ON&nbsp;ALL&nbsp;TABLES&nbsp;IN&nbsp;SCHEMA&nbsp;SCHEMA_NAME&nbsp;TO&nbsp;USER_NAME;</pre><p><span style="text-wrap-mode: nowrap;">--查询用户在schema中的权限</span><span style="text-wrap: nowrap;"></span></p><p><span style="text-wrap: nowrap;"></span></p><pre class="prism-highlight prism-language-sql">SELECT&nbsp;grantee,&nbsp;privilege_type FROM&nbsp;information_schema.role_table_grants WHERE&nbsp;table_schema&nbsp;=&nbsp;&#39;SCHEMA_NAME&#39; AND&nbsp;grantee&nbsp;=&nbsp;&#39;USER_NAME&#39;&nbsp;GROUP&nbsp;BY&nbsp;grantee,&nbsp;privilege_type;</pre><p><span style="text-wrap-mode: nowrap;">--回收用户在SCHEMA的权限</span><span style="text-wrap: nowrap;"></span></p><pre class="prism-highlight prism-language-sql">REVOKE&nbsp;&nbsp;truncate&nbsp;ON&nbsp;ALL&nbsp;TABLES&nbsp;IN&nbsp;SCHEMA&nbsp;SCHEMA_NAME&nbsp;FROM&nbsp;USER_NAME;</pre><p><span style="text-wrap: nowrap;"></span></p><p><span style="text-wrap: nowrap;">--授权用户z在库中的权限</span></p><p><span style="text-wrap: nowrap;"></span></p><pre class="prism-highlight prism-language-sql">GRANT&nbsp;CREATE&nbsp;ON&nbsp;SCHEMA&nbsp;SCHEMA_NAME&nbsp;TO&nbsp;USER_NAME; GRANT&nbsp;CREATE&nbsp;ON&nbsp;DATABASE&nbsp;DATABASE_NAME&nbsp;TO&nbsp;USER_NAME;</pre><p><span style="text-wrap-mode: nowrap;">--查询当前连接数：</span></p><pre class="prism-highlight prism-language-sql">SELECT&nbsp;count(*)&nbsp;AS&nbsp;num_connections&nbsp;FROM&nbsp;pg_stat_activity;</pre><p><span style="text-wrap-mode: nowrap;">--查询数据库大小：</span></p><pre class="prism-highlight prism-language-sql">SELECT&nbsp;pg_size_pretty(pg_database_size(current_database()))&nbsp;AS&nbsp;database_size;</pre><p><span style="text-wrap-mode: nowrap;">--查询表空间使用情况：</span></p><p><span style="text-wrap: nowrap;"></span></p><pre class="prism-highlight prism-language-sql">SELECT &nbsp;&nbsp;spcname&nbsp;AS&nbsp;tablespace_name, &nbsp;&nbsp;pg_size_pretty(pg_tablespace_size(spcname))&nbsp;AS&nbsp;space_used FROM&nbsp;pg_tablespace;</pre><p><span style="text-wrap-mode: nowrap;">--查看数据库备节点同异配置</span></p><pre class="prism-highlight prism-language-sql">select&nbsp;*&nbsp;from&nbsp;pg_stat_replication;</pre><p><span style="text-wrap-mode: nowrap;">--创建database</span></p><pre class="prism-highlight prism-language-sql">CREATE&nbsp;DATABASE&nbsp;testdb2&nbsp;OWNER&nbsp;db_user;</pre><p><span style="text-wrap-mode: nowrap;">#使用模板创建database</span><span style="text-wrap: nowrap;"></span></p><pre class="prism-highlight prism-language-sql">create&nbsp;database&nbsp;db_name&nbsp;owner&nbsp;db_user&nbsp;TEMPLATE&nbsp;temp_name;</pre><p><span style="text-wrap-mode: nowrap;">#查看数据库列表</span><span style="text-wrap: nowrap;"></span></p><pre class="prism-highlight prism-language-sql">\l+</pre><p><span style="text-wrap-mode: nowrap;">#修改数据库名</span><span style="text-wrap: nowrap;"></span></p><pre class="prism-highlight prism-language-sql">ALTER&nbsp;DATABASE&nbsp;testdb1&nbsp;RENAME&nbsp;TO&nbsp;testdb3;</pre><p><span style="text-wrap-mode: nowrap;">#删除数据库</span><span style="text-wrap: nowrap;"></span></p><pre class="prism-highlight prism-language-sql">DROP&nbsp;DATABASE&nbsp;DATABASE_NAME;</pre><p><span style="text-wrap-mode: nowrap;">--创建表及用户</span></p><p><span style="text-wrap: nowrap;"></span></p><pre class="prism-highlight prism-language-sql">create&nbsp;user&nbsp;user_name&nbsp;&nbsp;password&nbsp;&#39;Test@1234&#39;&nbsp;with&nbsp;sysadmin;--同时赋权超级管理员 create&nbsp;table&nbsp;test_ha.test_ha&nbsp;(instr_time&nbsp;timestamp);--创建表并指定用户 create&nbsp;database&nbsp;db_name&nbsp;owner&nbsp;user_name;--创建库并指定所有者</pre><p><span style="text-wrap-mode: nowrap;">--元命令帮助（库内）</span></p><pre class="prism-highlight prism-language-sql">panweidb=#&nbsp;\?</pre><p><span style="text-wrap-mode: nowrap;">#列举表</span><span style="text-wrap: nowrap;"></span></p><pre class="prism-highlight prism-language-sql">\dt</pre><p><span style="text-wrap-mode: nowrap;">#查看表结构</span><span style="text-wrap: nowrap;"></span></p><pre class="prism-highlight prism-language-sql">\d&nbsp;table_name</pre><p><span style="text-wrap-mode: nowrap;">#列举 schema</span><span style="text-wrap: nowrap;"></span></p><pre class="prism-highlight prism-language-sql">\dn</pre><p><span style="text-wrap-mode: nowrap;">#查看索引</span><span style="text-wrap: nowrap;"></span></p><pre class="prism-highlight prism-language-sql">\di</pre><p><span style="text-wrap-mode: nowrap;">#切换数据库(切库)</span><span style="text-wrap: nowrap;"></span></p><pre class="prism-highlight prism-language-sql">\c&nbsp;db_name</pre><p><span style="text-wrap-mode: nowrap;">--查看数据库运行参数当前取值</span></p><pre class="prism-highlight prism-language-sql">SHOW&nbsp;max_connections;#查看指定参数 SELECT&nbsp;*&nbsp;FROM&nbsp;pg_settings&nbsp;WHERE&nbsp;NAME=&#39;max_connections&#39;;#查看指定参数 SELECT&nbsp;*&nbsp;FROM&nbsp;pg_settings;#列举所有参数 SHOW&nbsp;all;#列举所有参数</pre><p><span style="text-wrap-mode: nowrap;">--赋权</span></p><p><span style="text-wrap: nowrap;"></span></p><pre class="prism-highlight prism-language-sql">GRANT&nbsp;SELECT&nbsp;ON&nbsp;ALL&nbsp;TABLES&nbsp;IN&nbsp;SCHEMA&nbsp;scf_manage_uat_db001&nbsp;TO&nbsp;bigetlview; GRANT&nbsp;ALL&nbsp;PRIVILEGES&nbsp;ON&nbsp;ALL&nbsp;TABLES&nbsp;IN&nbsp;SCHEMA&nbsp;scf_manage_uat_db001&nbsp;TO&nbsp;bigetlview;--表权限 GRANT&nbsp;USAGE&nbsp;ON&nbsp;SCHEMA&nbsp;scf_manage_uat_db001&nbsp;TO&nbsp;bigetlview;--使用schema权限 GRANT&nbsp;REPLICATION&nbsp;TO&nbsp;bigetlview; GRANT&nbsp;gs_role_replication&nbsp;TO&nbsp;bigetlview; GRANT&nbsp;ALL&nbsp;PRIVILEGES&nbsp;ON&nbsp;DATABASE&nbsp;scf_manage_uat_db001&nbsp;TO&nbsp;bigetlview;--库权限 GRANT&nbsp;ALL&nbsp;PRIVILEGES&nbsp;TO&nbsp;bigetlview;--所有权限 ALTER&nbsp;USER&nbsp;bigetlview&nbsp;SYSADMIN;--超级管理员权限</pre><p><span style="text-wrap-mode: nowrap;">--解除只读</span></p><pre class="prism-highlight prism-language-sql">alter&nbsp;system&nbsp;set&nbsp;default_transaction_read_only=off; default_transaction_read_only</pre><p><span style="text-wrap-mode: nowrap;">--查看只读</span><span style="text-wrap: nowrap;"></span></p><pre class="prism-highlight prism-language-sql">SHOW&nbsp;transaction_read_only;</pre>Tue, 04 Jun 2024 15:38:48 +0800https://www.yangwuyu.com/?id=5<h1><strong><span style="font-family: 微软雅黑;font-size: 29px">rman异机恢复</span></strong></h1><h1><strong><span style="font-family: 微软雅黑;font-size: 29px">环境准备</span></strong></h1><table cellspacing="0"><tbody><tr class="firstRow"><td width="100" valign="top" style="padding: 0px 7px; border-width: 1px; border-color: windowtext;"><p><span style="font-family:Calibri;font-size:16px"><span style="font-family:宋体">主机</span></span></p></td><td width="100" valign="top" style="padding: 0px 7px; border-width: 1px; border-color: windowtext;"><p><span style="font-family:Calibri;font-size:16px">ip</span></p></td><td width="125" valign="top" style="padding: 0px 7px; border-width: 1px; border-color: windowtext;"><p><span style="font-family:Calibri;font-size:16px"><span style="font-family:宋体">操作系统版本</span></span></p></td><td width="124" valign="top" style="padding: 0px 7px; border-width: 1px; border-color: windowtext;"><p><span style="font-family:Calibri;font-size:16px"><span style="font-family:宋体">数据库版本</span></span></p></td><td width="113" valign="top" style="padding: 0px 7px; border-width: 1px; border-color: windowtext;"><p><span style="font-family:Calibri;font-size:16px"><span style="font-family:宋体">数据库状态</span></span></p></td></tr><tr><td width="100" valign="top" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;"><p><span style="font-family:Calibri;font-size:16px"><span style="font-family:宋体">源端</span></span></p><p><span style="font-family:Calibri;font-size:16px">19c</span></p></td><td width="100" valign="top" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;"><p><span style="font-family:Calibri;font-size:16px">192.168.174.130</span></p></td><td width="125" valign="top" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;"><p><span style="font-family:Calibri;font-size:16px">RHEL7.6</span></p></td><td width="124" valign="top" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;"><p><span style="font-family:Calibri;font-size:16px">Oracle19c</span></p></td><td width="113" valign="top" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;"><p><span style="font-family:Calibri;font-size:16px"><span style="font-family:宋体">实例正常运行</span></span></p></td></tr><tr><td width="100" valign="top" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;"><p><span style="font-family:Calibri;font-size:16px"><span style="font-family:宋体">目标端</span></span></p><p><span style="font-family:Calibri;font-size:16px">test</span></p></td><td width="100" valign="top" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;"><p><span style="font-family:Calibri;font-size:16px">192.168.174.140</span></p></td><td width="125" valign="top" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;"><p><span style="font-family:Calibri;font-size:16px">RHEL7.6</span></p></td><td width="124" valign="top" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;"><p><span style="font-family:Calibri;font-size:16px">Oracle19c</span></p></td><td width="113" valign="top" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;"><p><span style="font-family:Calibri;font-size:16px"><span style="font-family:宋体">仅安装数据库软件</span></span></p></td></tr></tbody></table><p><span style=";font-family:Calibri;font-size:16px">&nbsp;</span></p><h1><strong><span style="font-family: 微软雅黑;font-size: 29px">源端</span></strong></h1><h2><strong><span style="font-family: 微软雅黑;font-size: 24px">创建文件夹用来存储备份文件</span></strong></h2><p><span style=";font-family:Consolas;font-size:16px"></span></p><pre class="prism-highlight prism-language-bash">su&nbsp;-&nbsp;oracle mkdir&nbsp;-p&nbsp;/home/oracle/backup sqlplus&nbsp;/&nbsp;as&nbsp;sysdba</pre><pre class="prism-highlight prism-language-sql">create&nbsp;directory&nbsp;backup&nbsp;as&nbsp;&#39;/home/oracle/backup&#39;;</pre><h2><strong><span style="font-family: 微软雅黑;font-size: 24px">创建参数文件</span></strong></h2><pre class="prism-highlight prism-language-bash">sqlplus&nbsp;/&nbsp;as&nbsp;sysdba</pre><pre class="prism-highlight prism-language-sql">create&nbsp;pfile=&#39;/home/oracle/backup/initorcl.ora&#39;&nbsp;from&nbsp;spfile;</pre><p><span style=";font-family:Consolas;font-size:16px"></span><br/></p><h2><strong><span style="font-family: 微软雅黑;font-size: 24px">开启归档模式</span></strong></h2><p><span style=";font-family:Consolas;font-size:16px"></span></p><pre class="prism-highlight prism-language-sql">archive&nbsp;log&nbsp;list; shutdown&nbsp;immediate startup&nbsp;mount alter&nbsp;database&nbsp;archivelog; alter&nbsp;database&nbsp;open; archive&nbsp;log&nbsp;list;</pre><p><strong><span style="font-family: 微软雅黑;font-size: 24px">rman备份数据库</span></strong></p><pre class="prism-highlight prism-language-bash">rman&nbsp;target&nbsp;/</pre><p><br/></p><pre class="prism-highlight prism-language-bash">run{ allocate&nbsp;channel&nbsp;c1&nbsp;device&nbsp;type&nbsp;disk; allocate&nbsp;channel&nbsp;c2&nbsp;device&nbsp;type&nbsp;disk; backup&nbsp;database&nbsp;format&nbsp;&#39;/home/oracle/backup/db_%d_%T_%U.bak&#39;&nbsp;plus&nbsp;archivelog&nbsp;format&nbsp;&#39;/home/oracle/backup/ar_%d_%T_%U.bak&#39;; backup&nbsp;current&nbsp;controlfile&nbsp;format&nbsp;&#39;/home/oracle/backup/control_%d_%T_%U.bak&#39;; release&nbsp;channel&nbsp;c1; release&nbsp;channel&nbsp;c2; }</pre><p><strong><span style="font-family: 微软雅黑;font-size: 24px">传输文件</span></strong></p><p><span style=";font-family:Consolas;font-size:16px"><span style="font-family:宋体">目标端</span></span></p><p><span style=";font-family:Consolas;font-size:16px"></span></p><pre class="prism-highlight prism-language-bash">su&nbsp;-&nbsp;oracle mkdir&nbsp;-p&nbsp;/home/oracle/backup</pre><p><span style="font-family: 宋体; font-size: 16px;">源端</span></p><p><span style=";font-family:Consolas;font-size:16px"></span></p><pre class="prism-highlight prism-language-bash">cd&nbsp;/home/oracle/backup scp&nbsp;*&nbsp;oracle@192.168.174.140:/home/oracle/backup</pre><p><strong><span style="font-family: 微软雅黑;font-size: 24px">传输密码文件</span></strong></p><p><span style=";font-family:Consolas;font-size:16px"><span style="font-family:宋体">源端</span></span></p><pre class="prism-highlight prism-language-bash">scp&nbsp;/u01/app/oracle/product/19c/dbhome_1/dbs/orapworcl&nbsp;oracle@192.168.174.140:/u01/app/oracle/product/19c/dbhome_1/dbs</pre><p><strong><span style="font-family: 微软雅黑;font-size: 29px">目标端</span></strong></p><h2><strong><span style="font-family: 微软雅黑;font-size: 24px">准备工作</span></strong></h2><p><span style=";font-family:Calibri;font-size:16px"><span style="font-family:宋体">查看源端的参数文件</span></span></p><pre class="prism-highlight prism-language-bash">cat&nbsp;/home/oracle/backup/initorcl.ora</pre><blockquote><p><br/></p><p><span style=";font-family:Consolas;font-size:16px">orcl.__data_transfer_cache_size=0</span></p><p><span style=";font-family:Consolas;font-size:16px">orcl.__db_cache_size=603979776</span></p><p><span style=";font-family:Consolas;font-size:16px">orcl.__inmemory_ext_roarea=0</span></p><p><span style=";font-family:Consolas;font-size:16px">orcl.__inmemory_ext_rwarea=0</span></p><p><span style=";font-family:Consolas;font-size:16px">orcl.__java_pool_size=16777216</span></p><p><span style=";font-family:Consolas;font-size:16px">orcl.__large_pool_size=16777216</span></p><p><span style=";font-family:Consolas;font-size:16px">orcl.__oracle_base=&#39;/u01/app/oracle&#39;#ORACLE_BASE set from environment</span></p><p><span style=";font-family:Consolas;font-size:16px">orcl.__pga_aggregate_target=637534208</span></p><p><span style=";font-family:Consolas;font-size:16px">orcl.__sga_target=956301312</span></p><p><span style=";font-family:Consolas;font-size:16px">orcl.__shared_io_pool_size=50331648</span></p><p><span style=";font-family:Consolas;font-size:16px">orcl.__shared_pool_size=251658240</span></p><p><span style=";font-family:Consolas;font-size:16px">orcl.__streams_pool_size=0</span></p><p><span style=";font-family:Consolas;font-size:16px">orcl.__unified_pga_pool_size=0</span></p><p><span style=";font-family:Consolas;font-size:16px">*.audit_file_dest=&#39;/u01/app/oracle/admin/orcl/adump&#39;</span></p><p><span style=";font-family:Consolas;font-size:16px">*.audit_trail=&#39;db&#39;</span></p><p><span style=";font-family:Consolas;font-size:16px">*.compatible=&#39;19.0.0&#39;</span></p><p><span style=";font-family:Consolas;font-size:16px">*.control_files=&#39;/u01/app/oracle/oradata/ORCL/controlfile/o1_mf_ll1nyqb3_.ctl&#39;,&#39;/u01/app/oracle/fast_recovery_area/ORCL/controlfile/o1_mf_ll1nyqbl_.ctl&#39;</span></p><p><span style=";font-family:Consolas;font-size:16px">*.db_block_size=8192</span></p><p><span style=";font-family:Consolas;font-size:16px">*.db_create_file_dest=&#39;/u01/app/oracle/oradata&#39;</span></p><p><span style=";font-family:Consolas;font-size:16px">*.db_name=&#39;orcl&#39;</span></p><p><span style=";font-family:Consolas;font-size:16px">*.db_recovery_file_dest=&#39;/u01/app/oracle/fast_recovery_area&#39;</span></p><p><span style=";font-family:Consolas;font-size:16px">*.db_recovery_file_dest_size=8256m</span></p><p><span style=";font-family:Consolas;font-size:16px">*.diagnostic_dest=&#39;/u01/app/oracle&#39;</span></p><p><span style=";font-family:Consolas;font-size:16px">*.dispatchers=&#39;(PROTOCOL=TCP) (SERVICE=orclXDB)&#39;</span></p><p><span style=";font-family:Consolas;font-size:16px">*.memory_target=1507m</span></p><p><span style=";font-family:Consolas;font-size:16px">*.open_cursors=300</span></p><p><span style=";font-family:Consolas;font-size:16px">*.processes=320</span></p><p><span style=";font-family:Consolas;font-size:16px">*.remote_login_passwordfile=&#39;EXCLUSIVE&#39;</span></p><p><span style=";font-family:Consolas;font-size:16px">*.undo_tablespace=&#39;UNDOTBS1&#39;</span></p></blockquote><p><span style=";font-family:Calibri;font-size:16px"><span style="font-family:宋体">创建参数文件中用到的目录</span></span></p><p><span style=";font-family:Consolas;font-size:16px"></span></p><pre class="prism-highlight prism-language-bash">su&nbsp;-&nbsp;oracle mkdir&nbsp;-p&nbsp;/u01/app/oracle/admin/orcl/adump mkdir&nbsp;-p&nbsp;/u01/app/oracle/oradata/ORCL/controlfile mkdir&nbsp;-p&nbsp;/u01/app/oracle/fast_recovery_area</pre><p><span style="font-family: 宋体; font-size: 16px;">编辑环境变量</span></p><p><span style=";font-family:Consolas;font-size:16px"></span></p><pre class="prism-highlight prism-language-bash">su&nbsp;-&nbsp;oracle export&nbsp;ORACLE_SID=orcl</pre><p><span style="font-size: 16px; font-family: 宋体;">创建</span><span style="font-family: Calibri; font-size: 16px;">spfile</span><span style="font-size: 16px; font-family: 宋体;">文件，启动数据库到</span><span style="font-family: Calibri; font-size: 16px;">nomount</span><span style="font-size: 16px; font-family: 宋体;">状态</span></p><pre class="prism-highlight prism-language-bash">sqlplus&nbsp;/&nbsp;as&nbsp;sysdba</pre><p><span style="background-color: #F8F8F8;">create spfile from pfile=&#39;/home/oracle/backup/initorcl.ora&#39;;</span></p><pre class="prism-highlight prism-language-sql">startup&nbsp;nomount</pre><p><strong><span style="font-family: 微软雅黑;font-size: 24px">rman设置dbid</span></strong></p><p><span style=";font-family:Calibri;font-size:16px"><span style="font-family:宋体">源端使用</span>rman<span style="font-family:宋体">连接查询</span><span style="font-family:Calibri">dbid</span></span></p><p style="text-align:center"><img src="https://www.yangwuyu.com/zb_users/upload/2024/06/202406041717487963738680.png" alt="image.png"/><span style=";font-family:Calibri;font-size:16px">&nbsp;</span></p><p><span style=";font-family:Consolas;font-size:16px"><span style="font-family:宋体">目标端</span></span></p><pre class="prism-highlight prism-language-bash">rman&nbsp;target&nbsp;/</pre><p><span style="font-family: Consolas; font-size: 16px;"># </span><span style="font-size: 16px; font-family: 宋体;">设置</span><span style="font-family: Consolas; font-size: 16px;">dbid</span></p><pre class="prism-highlight prism-language-bash">set&nbsp;dbid=1677331735</pre><p><span style=";font-family:Consolas;font-size:16px"></span><br/></p><p style="text-align:center"><img src="https://www.yangwuyu.com/zb_users/upload/2024/06/202406041717487967267628.png" alt="image.png"/><span style=";font-family:Calibri;font-size:16px">&nbsp;</span></p><h2><strong><span style="font-family: 微软雅黑;font-size: 24px">恢复控制文件</span></strong></h2><p><span style=";font-family:Consolas;font-size:16px"># <span style="font-family:宋体">恢复控制文件</span></span></p><p><span style=";font-family:Consolas;font-size:16px"># <span style="font-family:宋体">参数文件中指定的控制文件的路径要存在</span></span></p><pre class="prism-highlight prism-language-bash">restore&nbsp;controlfile&nbsp;from&nbsp;&#39;/home/oracle/backup/control_ORCL_20231008_0b28db5v_1_1.bak&#39;;</pre><p><img src="https://www.yangwuyu.com/zb_users/upload/2024/06/202406041717487972761110.png" alt="image.png" style="text-align: center;"/><span style="text-align: center; font-family: Calibri; font-size: 16px;">&nbsp;</span></p><p><span style=";font-family:Calibri;font-size:16px"><span style="font-family:宋体">控制文件恢复后数据库启动到</span>mount<span style="font-family:宋体">状态</span></span></p><pre class="prism-highlight prism-language-sql">alter&nbsp;database&nbsp;mount;</pre><p><strong><span style="font-family: 微软雅黑;font-size: 24px">恢复数据库</span></strong></p><p><span style=";font-family:Consolas;font-size:16px"></span></p><pre class="prism-highlight prism-language-bash">rman&nbsp;target&nbsp;/ list&nbsp;backup run&nbsp;{ allocate&nbsp;channel&nbsp;c1&nbsp;device&nbsp;type&nbsp;disk; allocate&nbsp;channel&nbsp;c2&nbsp;device&nbsp;type&nbsp;disk; allocate&nbsp;channel&nbsp;c3&nbsp;device&nbsp;type&nbsp;disk; restore&nbsp;database; recover&nbsp;database; }</pre><p><span style=";font-family:Consolas;font-size:16px"></span><br/></p><p style="text-align:center"><img src="https://www.yangwuyu.com/zb_users/upload/2024/06/202406041717487979390070.png" alt="image.png"/><span style=";font-family:Calibri;font-size:16px">&nbsp;</span></p><p><span style=";font-family:Calibri;font-size:16px"><span style="font-family:宋体">出现这个是正常情况，提示缺少归档日志。</span></span></p><p><span style=";font-family:Calibri;font-size:16px"><span style="font-family:宋体">启动到</span>open<span style="font-family:宋体">状态</span></span></p><pre class="prism-highlight prism-language-sql">alter&nbsp;database&nbsp;open&nbsp;resetlogs</pre><p><br/></p>Tue, 12 Dec 2023 15:57:09 +0800