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From "Sandy Ryza (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-752) In AMRMClient, automatically add corresponding rack requests for requested nodes
Date Mon, 03 Jun 2013 20:38:20 GMT

     [ https://issues.apache.org/jira/browse/YARN-752?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Sandy Ryza updated YARN-752:
----------------------------

    Summary: In AMRMClient, automatically add corresponding rack requests for requested nodes
 (was: Throw exception if AMRMClient.ContainerRequest is given invalid locations)
    
> 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
>
> A ContainerRequest that includes node-level requests must also include matching rack-level
requests for the racks that those nodes are on.  At the very least, an exception should be
thrown if one is constructed with a non-empty set of nodes but an empty set of racks.
> If possible, it would also be nice to validate that the given nodes are on the racks
that are given.  Although if that is possible, then it might be even better to just automatically
fill in racks for nodes.

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