Bug 1951705
Summary: | kube-apiserver needs alerts on CPU utlization | ||
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Product: | OpenShift Container Platform | Reporter: | David Eads <deads> |
Component: | kube-apiserver | Assignee: | David Eads <deads> |
Status: | CLOSED ERRATA | QA Contact: | Ke Wang <kewang> |
Severity: | high | Docs Contact: | |
Priority: | high | ||
Version: | 4.8 | CC: | aos-bugs, mfojtik, xxia |
Target Milestone: | --- | ||
Target Release: | 4.8.0 | ||
Hardware: | Unspecified | ||
OS: | Unspecified | ||
Whiteboard: | |||
Fixed In Version: | Doc Type: | If docs needed, set a value | |
Doc Text: | Story Points: | --- | |
Clone Of: | Environment: | ||
Last Closed: | 2021-07-27 23:02:18 UTC | Type: | Bug |
Regression: | --- | Mount Type: | --- |
Documentation: | --- | CRM: | |
Verified Versions: | Category: | --- | |
oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
Cloudforms Team: | --- | Target Upstream Version: | |
Embargoed: |
Description
David Eads
2021-04-20 19:09:48 UTC
$ oc get clusterversion NAME VERSION AVAILABLE PROGRESSING SINCE STATUS version 4.8.0-0.nightly-2021-04-30-201824 True False 88m Cluster version is 4.8.0-0.nightly-2021-04-30-201824 $ oc get prometheusrules.monitoring.coreos.com/cpu-utilization -n openshift-kube-apiserver -oyaml apiVersion: monitoring.coreos.com/v1 kind: PrometheusRule metadata: creationTimestamp: "2021-05-06T02:03:48Z" generation: 1 managedFields: - apiVersion: monitoring.coreos.com/v1 fieldsType: FieldsV1 fieldsV1: f:spec: .: {} f:groups: {} manager: cluster-kube-apiserver-operator operation: Update time: "2021-05-06T02:03:48Z" name: cpu-utilization namespace: openshift-kube-apiserver resourceVersion: "17201" uid: ce838b0c-07b0-47e7-a915-4ab4ef4ce2a4 spec: groups: - name: control-plane-cpu-utilization rules: - alert: HighOverallControlPlaneCPU expr: | sum( 100 - (avg by (instance) (rate(node_cpu_seconds_total{mode="idle"}[5m])) * 100) AND on (instance) label_replace( kube_node_role{role="master"}, "instance", "$1", "node", "(.+)" ) ) / count(kube_node_role{role="master"}) > 60 for: 10m labels: severity: warning - alert: ExtremelyHighIndividualControlPlaneCPU expr: | 100 - (avg by (instance) (rate(node_cpu_seconds_total{mode="idle"}[5m])) * 100) > 90 AND on (instance) label_replace( kube_node_role{role="master"}, "instance", "$1", "node", "(.+)" ) for: 5m labels: severity: critical The HighOverallControlPlaneCPU has already been applied, also can be seen in web-console. Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory (Moderate: OpenShift Container Platform 4.8.2 bug fix and security update), and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://access.redhat.com/errata/RHSA-2021:2438 |