Jian He commented on YARN-2136:

On a second check, state-store is actually already stopped/closed when RM gets 
fenced, which means no more store operation can be performed once RM gets 
fenced. [~kkambatl], is this the case?

> RMStateStore can explicitly handle store/update events when fenced
> ------------------------------------------------------------------
>                 Key: YARN-2136
>                 URL: https://issues.apache.org/jira/browse/YARN-2136
>             Project: Hadoop YARN
>          Issue Type: Bug
>            Reporter: Jian He
> RMStateStore can choose to handle/ignore store/update events upfront instead 
> of invoking more ZK operations if state store is at fenced state. 

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