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https://issues.apache.org/jira/browse/YARN-1974?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14524208#comment-14524208
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Xuan Gong commented on YARN-1974:
---------------------------------

[~zhiguohong] Do we still need this since we already have node_label args in DS 
?

> add args for DistributedShell to specify a set of nodes on which the tasks run
> ------------------------------------------------------------------------------
>
>                 Key: YARN-1974
>                 URL: https://issues.apache.org/jira/browse/YARN-1974
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: applications/distributed-shell
>    Affects Versions: 2.7.0
>            Reporter: Hong Zhiguo
>            Assignee: Hong Zhiguo
>            Priority: Minor
>         Attachments: YARN-1974.patch
>
>
> It's very useful to execute a script on a specific set of machines for both 
> testing and maintenance purpose.
> The args "--nodes" and "--relax_locality" are added to DistributedShell. 
> Together with an unit test using miniCluster.
> It's also tested on our real cluster with Fair scheduler.



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