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Posted to mapreduce-issues@hadoop.apache.org by "Amol Kekre (Commented) (JIRA)" <ji...@apache.org> on 2011/10/12 22:23:12 UTC
[jira] [Commented] (MAPREDUCE-3034) NM should act on a REBOOT
command from RM
[ https://issues.apache.org/jira/browse/MAPREDUCE-3034?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13126114#comment-13126114 ]
Amol Kekre commented on MAPREDUCE-3034:
---------------------------------------
Vinod, any eta on it?
> 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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