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From "Sandy Ryza (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-752) Throw exception if AMRMClient.ContainerRequest is given invalid locations
Date Mon, 03 Jun 2013 05:51:21 GMT
Sandy Ryza created YARN-752:
-------------------------------

             Summary: Throw exception if AMRMClient.ContainerRequest is given invalid locations
                 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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