Automatic defragmentation for etcd data is causing stability problems in OpenShift Container Platform 4

Solution Verified - Updated -

Issue

  • Various components in OCP 4.9 are crashing/restarting when etcd defrag is happening.
  • OCP API becomes unavailable every 10 minutes during etcd defragmentation impacting API SLA.
  • Automatic defragmentation for etcd data is causing stability problems in OpenShift Container Platform 4.
  • We are seeing issues with Operators being restarted on large OCP Clusters during etcd defragmentation.

Environment

  • Red Hat OpenShift Container Platform (OCP) 4.9 and 4.10

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