Can it cause degraded performance if control plane nodes share the datastore with multiple other VMs?

Solution Verified - Updated -

Issue

  • It is observed that the Control Plane services like api-server and etcd frequently crash or are overloaded. The overall performance of the cluster's control-plane services seems impacted.
  • Logs like took too long appear frequently in the etcd logs.

Environment

  • Red Hat Openshift Container Platform (RHOCP)
    • 4
  • VMware vSphere

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