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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 20:40:20 GMT

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

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

    Description: 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.  (was: 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.)
    
> 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.  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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