Pod affinity and anti-affinity in Openshift 4

Solution Verified - Updated -

Issue

  • What is Pod affinity/anti-affinity in OpenShift?
  • Affinity/anti-affinity is not working as expected in OCP 4.
  • What are therequiredDuringSchedulingIgnoredDuringExecution and preferredDuringSchedulingIgnoredDuringExecution options for affinity/anti-affinity?

Environment

  • Red Hat OpenShift Container Platform (RHOCP)
    • 4

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