HighOverallControlPlaneMemory alert firing in OpenShift 4

Solution Verified - Updated -

Issue

  • HighOverallControlPlaneMemory is triggering on OpenShift 4 cluster.
  • OpenShift 4.11 and newer control plane components use more memory compared to old releases.

Environment

  • Red Hat OpenShift Container Platform (RHOCP)
    • 4

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