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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:
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[~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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