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From "Bikas Saha (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-1585) Provide a way to format the RMStateStore
Date Fri, 10 Jan 2014 19:55:50 GMT

    [ https://issues.apache.org/jira/browse/YARN-1585?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13868216#comment-13868216
] 

Bikas Saha commented on YARN-1585:
----------------------------------

The znode structure has the data relevant to the RM. Modifying or deleting or moving it will
result in data loss for the RM.
Changing ACL's or making other znode changes etc. should already be supported by the ZK CLI.

> Provide a way to format the RMStateStore
> ----------------------------------------
>
>                 Key: YARN-1585
>                 URL: https://issues.apache.org/jira/browse/YARN-1585
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: resourcemanager
>    Affects Versions: 2.2.0
>            Reporter: Karthik Kambatla
>
> Admins should be able to format the RMStateStore. 
> At the very least, we need this for ZKRMStateStore. Formatting the store requires changing
the ACLs followed by the removal of znode structure; the ACL changes for fencing should be
transparent to the user.



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