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From "Karthik Kambatla (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-1222) Make improvements in ZKRMStateStore for fencing
Date Thu, 17 Oct 2013 16:43:42 GMT

    [ https://issues.apache.org/jira/browse/YARN-1222?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13798062#comment-13798062
] 

Karthik Kambatla commented on YARN-1222:
----------------------------------------

Yep. It is better to work on them sequentially. Just pinged [~ozawa] on the other ticket to
see if he has already started working on it. Otherwise, can follow up here quickly with patches.


> Make improvements in ZKRMStateStore for fencing
> -----------------------------------------------
>
>                 Key: YARN-1222
>                 URL: https://issues.apache.org/jira/browse/YARN-1222
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>            Reporter: Bikas Saha
>            Assignee: Karthik Kambatla
>         Attachments: yarn-1222-1.patch
>
>
> Using multi-operations for every ZK interaction. 
> In every operation, automatically creating/deleting a lock znode that is the child of
the root znode. This is to achieve fencing by modifying the create/delete permissions on the
root znode.



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