How to defrag Etcd to decrease DB size in Red Hat OpenShift ?

Solution Verified - Updated -

Issue

  • etcd DB is large, how can one defrag etcd?
  • Following error message can be seen from etcd pods:
 etcdserver: mvcc: database space exceeded
  • The master API fails to start after hitting this issue.

Environment

  • Red Hat OpenShift Container Platform
    • 3.x

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