Karthik Kambatla resolved YARN-1584.

          Resolution: Won't Fix
    Target Version/s:   (was: )

Marking this as "Won't Fix" as we didn't see a particular need for it on RM HA 

We can re-open this if need be. 

> Support explicit failover when automatic failover is enabled
> ------------------------------------------------------------
>                 Key: YARN-1584
>                 URL: https://issues.apache.org/jira/browse/YARN-1584
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: resourcemanager
>    Affects Versions: 2.3.0
>            Reporter: Karthik Kambatla
>            Assignee: Karthik Kambatla
> YARN-1029 adds automatic failover support. However, users can't explicitly 
> ask for a failover from one RM to the other without stopping the other RM. 
> Stopping the RM until the other RM takes over and then restarting the first 
> RM is more involving and exposes the RM-ensemble to SPOF for a longer 
> duration. 
> It would be nice to allow explicit failover through yarn rmadmin -failover 
> command.
> PS: HDFS supports -failover option. 

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