Fluentd buffer logs are causing pod evictions in OpenShift 4

Solution Verified - Updated -

Issue

  • Pods are getting evicted due to low ephemeral storage or DiskPressure errors in an OpenShift cluster, caused by a high number of Fluentd buffer logs.
  • How to scale down Fluentd in OpenShift 4?

Environment

  • OpenShift Container Platform (OCP) 4.1
  • OpenShift Container Platform (OCP) 4.2

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