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From "Xuan Gong (JIRA)" <j...@apache.org>
Subject [jira] [Reopened] (YARN-1974) add args for DistributedShell to specify a set of nodes on which the tasks run
Date Tue, 01 Dec 2015 01:08:11 GMT

     [ https://issues.apache.org/jira/browse/YARN-1974?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Xuan Gong reopened YARN-1974:
-----------------------------

Actually, it is useful to have this feature in DS. 
[~zhiguohong] Do you have the cycle to rebase the patch ?

> 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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