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