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https://issues.apache.org/jira/browse/MAPREDUCE-3034?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13222524#comment-13222524
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Vinod Kumar Vavilapalli commented on MAPREDUCE-3034:
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Looking at the patch for final review/commit..
> 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, 0.23.2
> Reporter: Vinod Kumar Vavilapalli
> Assignee: Devaraj K
> Priority: Critical
> Attachments: MAPREDUCE-3034-1.patch, MAPREDUCE-3034-2.patch,
> MAPREDUCE-3034-3.patch, MAPREDUCE-3034-4.patch, MAPREDUCE-3034-5.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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