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From "Steve Loughran (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-1394) RM to inform AMs when a container completed due to NM going offline -planned or unplanned
Date Fri, 08 Nov 2013 09:28:20 GMT
Steve Loughran created YARN-1394:
------------------------------------

             Summary: RM to inform AMs when a container completed due to NM going offline
-planned or unplanned
                 Key: YARN-1394
                 URL: https://issues.apache.org/jira/browse/YARN-1394
             Project: Hadoop YARN
          Issue Type: Improvement
            Reporter: Steve Loughran


YARN-914 proposes graceful decommission of an NM, and NMs already have the right to go offline.

If AMs could be told that a container completed from an NM option -offline vs decommission,
the AM could use that in its future blacklisting and placement policy. 

This matters in long-lived services which may like to place new instances where they were
placed before, and track hosts failure rates



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