Jian Fang commented on YARN-671:

YARN-796 is adding label support for NMs, could label based schedule be used to 
ask RM not to assign any new tasks to the NMs that will be decommissioned to 
give some grace time for the decommission? 

> Add an interface on the RM to move NMs into a maintenance state
> ---------------------------------------------------------------
>                 Key: YARN-671
>                 URL: https://issues.apache.org/jira/browse/YARN-671
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>    Affects Versions: 2.0.4-alpha
>            Reporter: Siddharth Seth
>            Assignee: Siddharth Seth

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