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Posted to yarn-issues@hadoop.apache.org by "Bikas Saha (JIRA)" <ji...@apache.org> on 2014/01/10 18:57:18 UTC

[jira] [Commented] (YARN-1585) Provide a way to format the RMStateStore

    [ https://issues.apache.org/jira/browse/YARN-1585?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13868047#comment-13868047 ] 

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

Given that the RM already formats an empty store, why do we need this? The admin can just delete everything under the store root node/dir. Having formatting in 2 places will require both to be kept in sync.

> 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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