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Billy Tat
2022-10-28 17:09:19 -07:00
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versioned_docs/version-2.5/pages-for-subheaders/monitoring-v2-configuration-guides.md
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@@ -6,19 +6,18 @@ This page captures some of the most important options for configuring Monitoring
For information on configuring custom scrape targets and rules for Prometheus, please refer to the upstream documentation for the [Prometheus Operator.](https://github.com/prometheus-operator/prometheus-operator) Some of the most important custom resources are explained in the Prometheus Operator [design documentation.](https://github.com/prometheus-operator/prometheus-operator/blob/master/Documentation/design.md) The Prometheus Operator documentation can help also you set up RBAC, Thanos, or custom configuration.
# Setting Resource Limits and Requests
## Setting Resource Limits and Requests
The resource requests and limits for the monitoring application can be configured when installing `rancher-monitoring`. For more information about the default limits, see [this page.](../reference-guides/monitoring-v2-configuration/helm-chart-options.md#configuring-resource-limits-and-requests)
>**Note:** On an idle cluster, Monitoring V2 has significantly higher CPU usage (up to 70%) as compared to Monitoring V1. To improve performance and achieve similar results as in Monitoring V1, turn off the Prometheus adapter.
# Prometheus Configuration
## Prometheus Configuration
It is usually not necessary to directly edit the Prometheus custom resource.
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.
### ServiceMonitor and PodMonitor Configuration
For details, see [this page.](../reference-guides/monitoring-v2-configuration/servicemonitors-and-podmonitors.md)
@@ -27,7 +26,7 @@ For details, see [this page.](../reference-guides/monitoring-v2-configuration/se
For more information about directly editing the Prometheus custom resource, which may be helpful in advanced use cases, see [this page.](../how-to-guides/advanced-user-guides/monitoring-v2-configuration-guides/advanced-configuration/prometheus.md)
# Alertmanager Configuration
## Alertmanager Configuration
The Alertmanager custom resource usually doesn't need to be edited directly. For most common use cases, you can manage alerts by updating Routes and Receivers.