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From "Varun Vasudev (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-2448) RM should expose the name of the ResourceCalculator being used when AMs register
Date Thu, 04 Sep 2014 19:17:52 GMT

     [ https://issues.apache.org/jira/browse/YARN-2448?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Varun Vasudev updated YARN-2448:
--------------------------------
    Attachment: apache-yarn-2448.2.patch

Uploaded a new patch to address the concerns raised by Karthik, Sandy and Vinod. Instead of
exposing the resource calculator, expose the resources used by the scheduler instead.

> RM should expose the name of the ResourceCalculator being used 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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