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From "Bikas Saha (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-1366) ApplicationMasterService should Resync with the AM upon allocate call after restart
Date Wed, 30 Oct 2013 06:39:32 GMT
Bikas Saha created YARN-1366:
--------------------------------

             Summary: ApplicationMasterService should Resync with the AM upon allocate call
after restart
                 Key: YARN-1366
                 URL: https://issues.apache.org/jira/browse/YARN-1366
             Project: Hadoop YARN
          Issue Type: Sub-task
            Reporter: Bikas Saha


The ApplicationMasterService currently sends a resync response to which the AM responds by
shutting down. The AM behavior is expected to change to calling resyncing with the RM. Resync
means resetting the allocate RPC sequence number to 0 and the AM should send its entire outstanding
request to the RM. Note that if the AM is making its first allocate call to the RM then things
should proceed like normal without needing a resync. The RM will return all containers that
have completed since the RM last synced with the AM. Some container completions may be reported
more than once.



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