[jira] [Commented] (YARN-1974) add args for DistributedShell to specify a set of nodes on which the tasks run

["Hadoop QA (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/YARN-1974?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14365046#comment-14365046 ] 

Hadoop QA commented on YARN-1974:
---------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12641444/YARN-1974.patch
  against trunk revision 7179f94.

    {color:red}-1 patch{color}.  The patch command could not apply the patch.

Console output: https://builds.apache.org/job/PreCommit-YARN-Build/6999//console

This message is automatically generated.

> 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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