diff --git a/release_notes/ocp-4-8-release-notes.adoc b/release_notes/ocp-4-8-release-notes.adoc index 3ef9c441e4..8c6c8aab79 100644 --- a/release_notes/ocp-4-8-release-notes.adoc +++ b/release_notes/ocp-4-8-release-notes.adoc @@ -635,6 +635,29 @@ For more information, see xref:../openshift_images/image-configuration.adoc#imag [id="ocp-4-8-monitoring"] === Monitoring +[id="ocp-4-8-monitoring-alerting-rule-changes"] +==== Alerting rule changes + +{product-title} 4.8 includes the following alerting rule changes: + +.Alerting rule changes +[%collapsible] +==== +* The `ThanosSidecarPrometheusDown` alert severity is updated from _critical_ to _warning_. +* The `ThanosSidecarUnhealthy` alert severity is updated from _critical_ to _warning_. +* The `ThanosQueryHttpRequestQueryErrorRateHigh` alert severity is updated from _critical_ to _warning_. +* The `ThanosQueryHttpRequestQueryRangeErrorRateHigh` alert severity is updated from _critical_ to _warning_. +* The `ThanosQueryInstantLatencyHigh` critical alert is removed. This alert fired if Thanos Querier had a high latency for instant queries. +* The `ThanosQueryRangeLatencyHigh` critical alert is removed. This alert fired if Thanos Querier had a high latency for range queries. +* For all Thanos Querier alerts, the `for` duration is increased to 1 hour. +* For all Thanos sidecar alerts, the `for` duration is increased to 1 hour. + +[NOTE] +===== +Red Hat does not guarantee backward compatibility for metrics, recording rules, or alerting rules. +===== +==== + [id="ocp-4-8-monitoring-removed-API-alerts"] ==== Alerts and information on APIs in use that will be removed in the next release @@ -645,6 +668,52 @@ For more information, see xref:../openshift_images/image-configuration.adoc#imag You can use the new `APIRequestCount` API to track what is using the deprecated APIs. This allows you to plan whether any actions are required in order to upgrade to the next release. +[id="ocp-4-8-monitoring-stack-dependency-version-updates"] +==== Version updates to monitoring stack components and dependencies + +{product-title} 4.8 includes version updates to the following monitoring stack components and dependencies: + +* The Prometheus Operator is now on version 0.48.1. +* Prometheus is now on version 2.26.1. +* The `node-exporter` agent is now on version 1.1.2. +* Thanos is now on version 0.20.2. +* Grafana is now on version 7.5.5. + +[id="ocp-4-8-monitoring-kube-state-metrics-v2.0.0-upgrade"] +==== kube-state-metrics upgraded to version 2.0.0 + +`kube-state-metrics` is upgraded to version 2.0.0. The following metrics were deprecated in `kube-state-metrics` version 1.9 and are effectively removed in version 2.0.0: + +* Non-generic resource metrics for pods: +** kube_pod_container_resource_requests_cpu_cores +** kube_pod_container_resource_limits_cpu_cores +** kube_pod_container_resource_requests_memory_bytes +** kube_pod_container_resource_limits_memory_bytes +* Non-generic resource metrics for nodes: +** kube_node_status_capacity_pods +** kube_node_status_capacity_cpu_cores +** kube_node_status_capacity_memory_bytes +** kube_node_status_allocatable_pods +** kube_node_status_allocatable_cpu_cores +** kube_node_status_allocatable_memory_bytes + +[id="ocp-4-8-monitoring-removed-grafana-alertmanager-ui-links"] +==== Removed Grafana and Alertmanager UI links + +The link to the third-party Alertmanager UI is removed from the *Monitoring* -> *Alerting* page in the {product-title} web console. Additionally, the link to the third-party Grafana UI is removed from the *Monitoring* -> *Dashboards* page. You can still access the routes to the Grafana and Alertmanager UIs in the web console in the *Administrator* perspective by navigating to the *Networking* -> *Routes* page in the `openshift-monitoring` project. + +[id="ocp-4-8-monitoring-dashboards-updates-web-console"] +==== Monitoring dashboard enhancements in the web console + +New enhancements are available on the *Monitoring* -> *Dashboards* page in the {product-title} web console: + +* When you zoom in on a single graph by selecting an area with the mouse, all other graphs now update to reflect the same time range. +* Dashboard panels are now organized into groups, which you can expand and collapse. +* Single-value panels now support changing color depending on their value. +* Dashboard labels now display in the *Dashboard* drop-down list. +* You can now specify a custom time range for a dashboard by selecting *Custom time range* in the *Time Range* drop-down list. +* When applicable, you can now select the *All* option in a dashboard filter drop-down menu to display data for all of the options in that filter. + [id="ocp-4-8-metering"] === Metering The Metering Operator is deprecated as of {product-title} 4.6, and is scheduled to be removed in {product-title} 4.9.