Troubleshooting HighOverallControlPlaneCPU alert in OpenShift 4

Solution Unverified - Updated -

Issue

  • HighOverallControlPlaneCPU alert is firing in the cluster
  • It was observed that control plane nodes have more than 90 % CPU usage.
  • How to identify the reason for high control plane cpu.

Environment

  • Red Hat Openshift Container Platform (RHOCP)
    • 4

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