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https://issues.apache.org/jira/browse/YARN-659?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13822107#comment-13822107
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Bikas Saha commented on YARN-659:
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Please look at the API http://zookeeper.apache.org/doc/r3.4.1/api/
There is no concept of a directory in ZK. We can delete any znode in the tree.
There is no need to get the version number. If version is -1 in the delete
command then the znode is deleted regardless.
> RMStateStore's removeApplication APIs should just take an applicationId
> -----------------------------------------------------------------------
>
> Key: YARN-659
> URL: https://issues.apache.org/jira/browse/YARN-659
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: resourcemanager
> Reporter: Vinod Kumar Vavilapalli
> Assignee: Tsuyoshi OZAWA
>
> There is no need to give in the whole state for removal - just an ID should
> be enough when an app finishes.
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