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From "Omkar Vinit Joshi (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-693) Sending AMNMToken to AM on allocate call if container is allocated for the first time on underlying NM for given AM
Date Thu, 16 May 2013 23:19:17 GMT
Omkar Vinit Joshi created YARN-693:
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             Summary: Sending AMNMToken to AM on allocate call if container is allocated for
the first time on underlying NM for given AM
                 Key: YARN-693
                 URL: https://issues.apache.org/jira/browse/YARN-693
             Project: Hadoop YARN
          Issue Type: Bug
            Reporter: Omkar Vinit Joshi
            Assignee: Omkar Vinit Joshi


This is part of YARN-613.
Here AM will receive AMNMToken in allocate call only if
* AM is receiving first container on underlying NM. (Exception. if RM has restarted in between
then it will receive it again for work preserving environment).
This AMNMToken will be used for AM-NM authentication; however this will be implemented in
another ticket. AM will have to remember this token for communicating with NM.

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