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From "Devaraj K (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MAPREDUCE-3034) NM should act on a REBOOT command from RM
Date Wed, 01 Feb 2012 12:10:58 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-3034?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Devaraj K updated MAPREDUCE-3034:
---------------------------------

    Target Version/s: 0.23.0, 0.24.0  (was: 0.24.0, 0.23.0)
              Status: Patch Available  (was: Open)

I updated the patch by incorporating the above comments.
                
> 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, 0.24.0
>            Reporter: Vinod Kumar Vavilapalli
>            Assignee: Devaraj K
>            Priority: Critical
>         Attachments: MAPREDUCE-3034-1.patch, MAPREDUCE-3034.patch, MR-3034.txt
>
>
> 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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