ODF: Ceph OSD Pods causing OOM inside its Pod or Ceph OSD Pod using excessive memory.

Solution Verified - Updated -

Issue

  • Complaints regarding memory usage for ceph processes like OSD, MDS, etc. running inside a Rook-Ceph- Pods
  • OOM Killer inside the Ceph Pod killing the Ceph process.

Environment

  • Red Hat OpenShift Container Platform (OCP) 4.x
  • Red Hat OpenShift Container Storage (OCS) 4.x
  • Red Hat OpenShift Data Foundation (ODF) 4.x
  • Red Hat Ceph Storage (RHCS) 5.x
  • Red Hat Ceph Storage (RHCS) 6.x
  • Red Hat Ceph Storage (RHCS) 7.x

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