High system‑reserved cpu usage when autoSizingReserved: true is enabled

Solution Verified - Updated -

Issue

  • When the autoSizingReserved: true feature is configured in the Kubelet configuration, the system-reserved CPU allocation is observed to be lower than the default reservation of 500m.
  • After configuring autoSizingReserved: true, the node is still showing high system-reserved CPU usage.

Environment

  • Red Hat OpenShift Container Platform (RHOCP)
    • 4
  • Red Hat Enterprise Linux CoreOS (RHCOS)
    • 4

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