Vinod Kumar Vavilapalli commented on YARN-41:

[~djp], can you please respond to [~devaraj.k]'s comments?

bq. It is not for decommissioning of NM and it is for handling 'yarn-daemon.sh 
stop nodemanager' and kill nmPid (not for 'kill -9 nmPid' i.e. abrupt kill)
This is the use-case that I am interested in addressing here, more than a 
decommission through RM.

> The RM should handle the graceful shutdown of the NM.
> -----------------------------------------------------
>                 Key: YARN-41
>                 URL: https://issues.apache.org/jira/browse/YARN-41
>             Project: Hadoop YARN
>          Issue Type: New Feature
>          Components: nodemanager, resourcemanager
>            Reporter: Ravi Teja Ch N V
>            Assignee: Devaraj K
>         Attachments: MAPREDUCE-3494.1.patch, MAPREDUCE-3494.2.patch, 
> MAPREDUCE-3494.patch, YARN-41-1.patch, YARN-41-2.patch, YARN-41-3.patch, 
> YARN-41.patch
> Instead of waiting for the NM expiry, RM should remove and handle the NM, 
> which is shutdown gracefully.

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