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docItemCol_VOVn"><div class="docItemContainer_Djhp"><article><nav class="theme-doc-breadcrumbs breadcrumbsContainer_Z_bl" aria-label="Breadcrumbs"><ul class="breadcrumbs" itemscope="" itemtype="https://schema.org/BreadcrumbList"><li class="breadcrumbs__item"><a aria-label="Home page" class="breadcrumbs__link" href="/"><svg viewBox="0 0 24 24" class="breadcrumbHomeIcon_YNFT"><path d="M10 19v-5h4v5c0 .55.45 1 1 1h3c.55 0 1-.45 1-1v-7h1.7c.46 0 .68-.57.33-.87L12.67 3.6c-.38-.34-.96-.34-1.34 0l-8.36 7.53c-.34.3-.13.87.33.87H5v7c0 .55.45 1 1 1h3c.55 0 1-.45 1-1z" fill="currentColor"></path></svg></a></li><li class="breadcrumbs__item"><span class="breadcrumbs__link">How-to Guides</span><meta itemprop="position" content="1"></li><li itemscope="" itemprop="itemListElement" itemtype="https://schema.org/ListItem" class="breadcrumbs__item"><a class="breadcrumbs__link" itemprop="item" href="/pages-for-subheaders/advanced-user-guides"><span itemprop="name">Advanced User Guides</span></a><meta itemprop="position" content="2"></li><li itemscope="" itemprop="itemListElement" itemtype="https://schema.org/ListItem" class="breadcrumbs__item breadcrumbs__item--active"><span class="breadcrumbs__link" itemprop="name">Monitoring V2 Configuration Guides</span><meta itemprop="position" content="3"></li></ul></nav><span class="theme-doc-version-badge badge badge--secondary">Version: Latest</span><div class="tocCollapsible_ETCw theme-doc-toc-mobile tocMobile_ITEo"><button type="button" class="clean-btn tocCollapsibleButton_TO0P">On this page</button></div><div class="theme-doc-markdown markdown"><header><h1>Configuration</h1></header><p>This page captures some of the most important options for configuring Monitoring V2 in the Rancher UI.</p><p>For information on configuring custom scrape targets and rules for Prometheus, please refer to the upstream documentation for the <a href="https://github.com/prometheus-operator/prometheus-operator" target="_blank" rel="noopener noreferrer">Prometheus Operator.</a> Some of the most important custom resources are explained in the Prometheus Operator <a href="https://github.com/prometheus-operator/prometheus-operator/blob/master/Documentation/design.md" target="_blank" rel="noopener noreferrer">design documentation.</a> The Prometheus Operator documentation can help also you set up RBAC, Thanos, or custom configuration.</p><h2 class="anchor anchorWithStickyNavbar_LWe7" id="setting-resource-limits-and-requests">Setting Resource Limits and Requests<a href="#setting-resource-limits-and-requests" class="hash-link" aria-label="Direct link to Setting Resource Limits and Requests" title="Direct link to Setting Resource Limits and Requests">​</a></h2><p>The resource requests and limits for the monitoring application can be configured when installing <code>rancher-monitoring</code>. For more information about the default limits, see <a href="/reference-guides/monitoring-v2-configuration/helm-chart-options#configuring-resource-limits-and-requests">this page.</a></p><div class="theme-admonition theme-admonition-tip alert alert--success admonition_LlT9"><div class="admonitionHeading_tbUL"><span class="admonitionIcon_kALy"><svg viewBox="0 0 12 16"><path fill-rule="evenodd" d="M6.5 0C3.48 0 1 2.19 1 5c0 .92.55 2.25 1 3 1.34 2.25 1.78 2.78 2 4v1h5v-1c.22-1.22.66-1.75 2-4 .45-.75 1-2.08 1-3 0-2.81-2.48-5-5.5-5zm3.64 7.48c-.25.44-.47.8-.67 1.11-.86 1.41-1.25 2.06-1.45 3.23-.02.05-.02.11-.02.17H5c0-.06 0-.13-.02-.17-.2-1.17-.59-1.83-1.45-3.23-.2-.31-.42-.67-.67-1.11C2.44 6.78 2 5.65 2 5c0-2.2 2.02-4 4.5-4 1.22 0 2.36.42 3.22 1.19C10.55 2.94 11 3.94 11 5c0 .66-.44 1.78-.86 2.48zM4 14h5c-.23 1.14-1.3 2-2.5 2s-2.27-.86-2.5-2z"></path></svg></span>tip</div><div class="admonitionContent_S0QG"><p>On an idle cluster, Monitoring may have high CPU usage. To improve performance, turn off the Prometheus adapter.</p></div></div><h2 class="anchor anchorWithStickyNavbar_LWe7" id="prometheus-configuration">Prometheus Configuration<a href="#prometheus-configuration" class="hash-link" aria-label="Direct link to Prometheus Configuration" title="Direct link to Prometheus Configuration">​</a></h2><p>It is usually not necessary to directly edit the Prometheus custom resource.</p><p>Instead, to configure Prometheus to scrape custom metrics, you will only need to create a new ServiceMonitor or PodMonitor to configure Prometheus to scrape additional metrics.</p><h3 class="anchor anchorWithStickyNavbar_LWe7" id="servicemonitor-and-podmonitor-configuration">ServiceMonitor and PodMonitor Configuration<a href="#servicemonitor-and-podmonitor-configuration" class="hash-link" aria-label="Direct link to ServiceMonitor and PodMonitor Configuration" title="Direct link to ServiceMonitor and PodMonitor Configuration">​</a></h3><p>For details, see <a href="/reference-guides/monitoring-v2-configuration/servicemonitors-and-podmonitors">this page.</a></p><h3 class="anchor anchorWithStickyNavbar_LWe7" id="advanced-prometheus-configuration">Advanced Prometheus Configuration<a href="#advanced-prometheus-configuration" class="hash-link" aria-label="Direct link to Advanced Prometheus Configuration" title="Direct link to Advanced Prometheus Configuration">​</a></h3><p>For more information about directly editing the Prometheus custom resource, which may be helpful in advanced use cases, see <a href="/how-to-guides/advanced-user-guides/monitoring-v2-configuration-guides/advanced-configuration/prometheus">this page.</a></p><h2 class="anchor anchorWithStickyNavbar_LWe7" id="alertmanager-configuration">Alertmanager Configuration<a href="#alertmanager-configuration" class="hash-link" aria-label="Direct link to Alertmanager Configuration" title="Direct link to Alertmanager Configuration">​</a></h2><p>The Alertmanager custom resource usually doesn&#x27;t need to be edited directly. For most common use cases, you can manage alerts by updating Routes and Receivers.</p><p>Routes and receivers are part of the configuration of the alertmanager custom resource. In the Rancher UI, Routes and Receivers are not true custom resources, but pseudo-custom resources that the Prometheus Operator uses to synchronize your configuration with the Alertmanager custom resource. When routes and receivers are updated, the monitoring application will automatically update Alertmanager to reflect those changes.</p><p>For some advanced use cases, you may want to configure alertmanager directly. For more information, refer to <a href="/how-to-guides/advanced-user-guides/monitoring-v2-configuration-guides/advanced-configuration/alertmanager">this page.</a></p><h3 class="anchor anchorWithStickyNavbar_LWe7" id="receivers">Receivers<a href="#receivers" class="hash-link" aria-label="Direct link to Receivers" title="Direct link to Receivers">​</a></h3><p>Receivers are used to set up notifications. For details on how to configure receivers, see <a href="/reference-guides/monitoring-v2-configuration/receivers">this page.</a></p><h3 class="anchor anchorWithStickyNavbar_LWe7" id="routes">Routes<a href="#routes" class="hash-link" aria-label="Direct link to Routes" title="Direct link to Routes">​</a></h3><p>Routes filter notifications before they reach receivers. Each route needs to refer to a receiver that has already been configured. For details on how to configure routes, see <a href="/reference-guides/monitoring-v2-configuration/routes">this page.</a></p><h3 class="anchor anchorWithStickyNavbar_LWe7" id="advanced">Advanced<a href="#advanced" class="hash-link" aria-label="Direct link to Advanced" title="Direct link to Advanced">​</a></h3><p>For more information about directly editing the Alertmanager custom resource, which may be helpful in advanced use cases, see <a href="/how-to-guides/advanced-user-guides/monitoring-v2-configuration-guides/advanced-configuration/alertmanager">this page.</a></p></div><footer class="theme-doc-footer docusaurus-mt-lg"><div class="theme-doc-footer-edit-meta-row row"><div class="col"><a href="https://github.com/rancher/rancher-docs/edit/main/docs/pages-for-subheaders/monitoring-v2-configuration-guides.md" target="_blank" rel="noreferrer noopener" class="theme-edit-this-page"><svg fill="currentColor" height="20" width="20" viewBox="0 0 40 40" class="iconEdit_Z9Sw" aria-hidden="true"><g><path d="m34.5 11.7l-3 3.1-6.3-6.3 3.1-3q0.5-0.5 1.2-0.5t1.1 0.5l3.9 3.9q0.5 0.4 0.5 1.1t-0.5 1.2z m-29.5 17.1l18.4-18.5 6.3 6.3-18.4 18.4h-6.3v-6.2z"></path></g></svg>Edit this page</a></div><div class="col lastUpdated_vwxv"><span class="theme-last-updated">Last updated<!-- --> on <b><time datetime="2022-11-16T18:29:26.000Z">Nov 16, 2022</time></b></span></div></div></footer></article><nav class="pagination-nav docusaurus-mt-lg" aria-label="Docs pages navigation"><a class="pagination-nav__link pagination-nav__link--prev" href="/how-to-guides/advanced-user-guides/monitoring-alerting-guides/prometheus-federator-guides/project-monitors"><div class="pagination-nav__sublabel">Previous</div><div class="pagination-nav__label">Installing Project Monitors</div></a><a class="pagination-nav__link pagination-nav__link--next" href="/pages-for-subheaders/advanced-configuration"><div class="pagination-nav__sublabel">Next</div><div class="pagination-nav__label">Advanced Configuration</div></a></nav></div></div><div class="col col--3"><div class="tableOfContents_bqdL thin-scrollbar theme-doc-toc-desktop"><ul class="table-of-contents table-of-contents__left-border"><li><a href="#setting-resource-limits-and-requests" class="table-of-contents__link toc-highlight">Setting Resource Limits and Requests</a></li><li><a href="#prometheus-configuration" class="table-of-contents__link toc-highlight">Prometheus Configuration</a><ul><li><a href="#servicemonitor-and-podmonitor-configuration" class="table-of-contents__link toc-highlight">ServiceMonitor and PodMonitor Configuration</a></li><li><a href="#advanced-prometheus-configuration" class="table-of-contents__link toc-highlight">Advanced Prometheus Configuration</a></li></ul></li><li><a href="#alertmanager-configuration" class="table-of-contents__link toc-highlight">Alertmanager Configuration</a><ul><li><a href="#receivers" class="table-of-contents__link toc-highlight">Receivers</a></li><li><a href="#routes" class="table-of-contents__link toc-highlight">Routes</a></li><li><a href="#advanced" class="table-of-contents__link toc-highlight">Advanced</a></li></ul></li></ul></div></div></div></div></main></div></div><footer class="footer footer--dark"><div class="container container-fluid"><div class="footer__bottom text--center"><div class="footer__copyright">Copyright © 2023 SUSE Rancher. 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