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From "Junping Du (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-41) The RM should handle the graceful shutdown of the NM.
Date Tue, 02 Jun 2015 14:44:21 GMT

    [ https://issues.apache.org/jira/browse/YARN-41?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14569182#comment-14569182
] 

Junping Du commented on YARN-41:
--------------------------------

Thanks [~devaraj.k] for updating the patch with addressing previous comments! 
Latest patch LGTM. +1. Will commit it tomorrow if no further comments on the code from other
reviewers.
In addition, given the patch involve new SHUTDOWN category on: NodeState, UI and Cluster Metrics.
Although it doesn't break any public APIs, we should mark this JIRA as incompatible for its
inconsistent behaviors with previous releases in UI, CLI, Metrics (to notify users or third-party
management & monitor software). In general, I think it should be fine to keep the plan
to include this patch in 2.x releases. However, please comments here to let us know if you
have any concerns.

> 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-41-4.patch, YARN-41-5.patch, YARN-41-6.patch,
YARN-41-7.patch, YARN-41-8.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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