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https://issues.apache.org/jira/browse/YARN-2268?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14499641#comment-14499641
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Rohith commented on YARN-2268:
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I verified the patch deploying in HA cluster and Non-HA cluster. On any active
RM is found in the cluster then exeption will be thrown back to console
> Disallow formatting the RMStateStore when there is an RM running
> ----------------------------------------------------------------
>
> Key: YARN-2268
> URL: https://issues.apache.org/jira/browse/YARN-2268
> Project: Hadoop YARN
> Issue Type: Improvement
> Components: resourcemanager
> Affects Versions: 2.6.0
> Reporter: Karthik Kambatla
> Assignee: Rohith
> Attachments: 0001-YARN-2268.patch
>
>
> YARN-2131 adds a way to format the RMStateStore. However, it can be a problem
> if we format the store while an RM is actively using it. It would be nice to
> fail the format if there is an RM running and using this store.
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