What is the meaning of PrometheusScrapeSampleLimitHit and how to find the problematic service on OpenShift Container Platform 4

Solution Verified - Updated -

Issue

  • New alerts of type PrometheusScrapeSampleLimitHit has appeared recently in 2 clusters. It seems something not too dangerous or too bad but it is not really clear what's going on with that.
  • Alert PrometheusScrapeSampleLimitHit firing but it's not clear what is causing it and therefore why the alert is there.
  • How can we identify the service causing PrometheusScrapeSampleLimitHit to fire.

Environment

  • Red Hat OpenShift Container Platform (RHOCP) 4

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