How to delete objects like events, configmaps, secrets, etc., for a particular namespace from etcd in RHOCP

Issue

• Large number of counts for the objects like events, configmaps, secrets, pods, deployments, statefulsets etc., for a particular namespace filling up the etcd database size.

• Unable to remove large number of objects like events, configmaps, secrets, pods, deployments, statefulsets etc., for a particular namespace when oc commands are not working.