Randomly Application Pod's Performance on OpenShift Becomes Very Slow

Solution Verified - Updated -

Issue

The issue does not occur at all the time, but the performance speed of an application pod on OpenShift getting very slow at sometimes.
For example, processing time for a simple Java code getting slow from 0ms to 2~5ms

InetAddress.getLocalHost().getHostName()

Environment

  • OpenShift Container Platform
    • 3.x

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