The prometheus-k8s pods in CrashLoopBackOff with OOMKilled Error.

Issue

• The prometheus container in the prometheus-k8s pod is having multiple restarts.

• The prometheus-k8s pod is in CrashLoopBackOff with following error:

$ oc describe pod prometheus-k8s-0
...
    State:       Waiting
      Reason:    CrashLoopBackOff
    Last State:  Terminated
      Reason:    OOMKilled
      Message:   ed" segment=436 maxSegment=4097
...
level=info ts=2020-08-03T08:26:47.927Z caller=head.go:632 component=tsdb msg="WAL segment loaded" segment=437 maxSegment=4097
level=info ts=2020-08-03T08:26:47.927Z caller=head.go:632 component=tsdb msg="WAL segment loaded" segment=438 maxSegment=4097
level=info ts=2020-08-03T08:26:47.927Z caller=head.go:632 component=tsdb msg="WAL segment loaded" segment=439 maxSegment=4097
...
      Exit Code:    137