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From "Vinod Kumar Vavilapalli (JIRA)" <j...@apache.org>
Subject [jira] [Created] (MAPREDUCE-3034) NM should act on a REBOOT command from RM
Date Mon, 19 Sep 2011 13:59:08 GMT
NM should act on a REBOOT command from RM
-----------------------------------------

                 Key: MAPREDUCE-3034
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3034
             Project: Hadoop Map/Reduce
          Issue Type: Bug
          Components: mrv2, nodemanager
    Affects Versions: 0.23.0
            Reporter: Vinod Kumar Vavilapalli
            Assignee: Vinod Kumar Vavilapalli
            Priority: Blocker
             Fix For: 0.23.0


RM sends a reboot command to NM in some cases, like when it gets lost and rejoins back. In
such a case, NM should act on the command and reboot/reinitalize itself.

This is akin to TT reinitialize on order from JT. We will need to shutdown all the services
properly and reinitialize - this should automatically take care of killing of containers,
cleaning up local temporary files etc.

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