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From "Arun C Murthy (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-392) Make it possible to specify hard locality constraints in resource requests
Date Fri, 31 May 2013 02:06:21 GMT

    [ https://issues.apache.org/jira/browse/YARN-392?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13671065#comment-13671065
] 

Arun C Murthy commented on YARN-392:
------------------------------------

+1 for the api - I haven't reviewed FS changes though, thanks Sandy.
                
> Make it possible to specify hard locality constraints in resource requests
> --------------------------------------------------------------------------
>
>                 Key: YARN-392
>                 URL: https://issues.apache.org/jira/browse/YARN-392
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>            Reporter: Bikas Saha
>            Assignee: Sandy Ryza
>         Attachments: YARN-392-1.patch, YARN-392-2.patch, YARN-392-2.patch, YARN-392-2.patch,
YARN-392-3.patch, YARN-392-4.patch, YARN-392-5.patch, YARN-392-6.patch, YARN-392-7.patch,
YARN-392-8.patch, YARN-392.patch
>
>
> Currently its not possible to specify scheduling requests for specific nodes and nowhere
else. The RM automatically relaxes locality to rack and * and assigns non-specified machines
to the app.

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