OOM-Killer affects the Readiness and Liveness probes as timeouts

Solution In Progress - Updated -

Issue

  • Some requests are occurred intermittently timeouts or long latency.
  • Readiness or liveness probes are failed as following error messages.
Readiness probe failed: Get http://10.0.1.168:8080/index.html: net/http: request canceled (Client.Timeout exceeded while awaiting headers)

Environment

  • OpenShift Container Platform
    • 3.x
  • Apache web server httpd
    • 2.4

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