High number of rolebindings causes HighOverallControlPlaneCPU alert in OpenShift 4
Issue
- There is high CPU utilization of master nodes in the OpenShift 4 cluster.
- The
apiserverpods fromopenshift-apiservernamespace have high CPU utilization. -
Total
rolebindingscount in the cluster is high:$ oc get rolebindings -A | wc -l 4042
Environment
- Red Hat OpenShift Container Platform (RHOCP)
- 4
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