Investigating heap and off heap usage in DG 8 OCP 4

Solution Verified - Updated -

Issue

  • How to investigate heap and off heap usage of memory in DG 8 in OCP 4 without gc log?
  • Gossip Router pod doesn't have gc logs set, how to investigate its heap/off heap utilization?

Environment

  • Red hat OpenShift Container Platform (OCP)
    • 4.x
  • Red Hat Data Grid (RHDG)
    • 8.x
    • DG Operator 8.3.7.csv (and before)

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