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From "Vinod Kumar Vavilapalli (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-2448) RM should expose the resource types considered during scheduling when AMs register
Date Mon, 08 Sep 2014 21:46:28 GMT

    [ https://issues.apache.org/jira/browse/YARN-2448?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14126162#comment-14126162
] 

Vinod Kumar Vavilapalli commented on YARN-2448:
-----------------------------------------------

+1, this looks good. Checking this in..

> RM should expose the resource types considered during scheduling when AMs register
> ----------------------------------------------------------------------------------
>
>                 Key: YARN-2448
>                 URL: https://issues.apache.org/jira/browse/YARN-2448
>             Project: Hadoop YARN
>          Issue Type: Improvement
>            Reporter: Varun Vasudev
>            Assignee: Varun Vasudev
>         Attachments: apache-yarn-2448.0.patch, apache-yarn-2448.1.patch, apache-yarn-2448.2.patch
>
>
> The RM should expose the name of the ResourceCalculator being used when AMs register,
as part of the RegisterApplicationMasterResponse.
> This will allow applications to make better decisions when scheduling. MapReduce for
example, only looks at memory when deciding it's scheduling, even though the RM could potentially
be using the DominantResourceCalculator.



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