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From "Bikas Saha (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-752) In AMRMClient, automatically add corresponding rack requests for requested nodes
Date Fri, 14 Jun 2013 21:35:20 GMT

    [ https://issues.apache.org/jira/browse/YARN-752?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13683817#comment-13683817
] 

Bikas Saha commented on YARN-752:
---------------------------------

Probably just refer to the javadoc for AllocateRequest/ResourceRequest where the semantics
are defined.
                
> In AMRMClient, automatically add corresponding rack requests for requested nodes
> --------------------------------------------------------------------------------
>
>                 Key: YARN-752
>                 URL: https://issues.apache.org/jira/browse/YARN-752
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: api, applications
>    Affects Versions: 2.0.4-alpha
>            Reporter: Sandy Ryza
>            Assignee: Sandy Ryza
>         Attachments: YARN-752-1.patch, YARN-752-1.patch, YARN-752-2.patch, YARN-752.3.patch,
YARN-752.4.patch, YARN-752-5.patch, YARN-752-6.patch, YARN-752-7.patch, YARN-752.patch
>
>
> A ContainerRequest that includes node-level requests must also include matching rack-level
requests for the racks that those nodes are on.  When a node is present without its rack,
it makes sense for the client to automatically add the node's rack.

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