Wangda Tan created YARN-3410:
Summary: YARN admin should be able to remove individual
application record from RMStateStore
Project: Hadoop YARN
Issue Type: Bug
Components: resourcemanager, yarn
Reporter: Wangda Tan
When RM state store entered an unexpected state, one example is YARN-2340, when
an attempt is not in final state but app already completed, RM can never get up
unless format RMStateStore.
I think we should support remove individual application records from
RMStateStore to unblock RM admin make choice of either waiting for a fix or
format state store.
In addition, RM should be able to report all fatal errors (which will shutdown
RM) when doing app recovery, this can save admin some time to remove apps in
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