Robert Kanter commented on YARN-2131:

Ya, this would be offline.  We were thinking of something similar to the {{hdfs 
namenode -format}} command for formatting the NN.  Something like {{yarn 
resourcemanager -format}} that would wipe out whichever RM state store you had 
configured (i.e. delete all znodes in ZKRMStateStore or delete all files in 

> Add a way to nuke the RMStateStore
> ----------------------------------
>                 Key: YARN-2131
>                 URL: https://issues.apache.org/jira/browse/YARN-2131
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: resourcemanager
>    Affects Versions: 2.4.0
>            Reporter: Karthik Kambatla
>            Assignee: Robert Kanter
> There are cases when we don't want to recover past applications, but recover 
> applications going forward. To do this, one has to clear the store. Today, 
> there is no easy way to do this and users should understand how each store 
> works.

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