Tao Yang commented on YARN-2599:

Hi, [~Naganarasimha] & [~kasha] & [~rohithsharma],
We have met problems that standby RM can't be transited to active because of 
memory leak. If we can monitor heap metrics from standby RM metrics, perhaps we 
can avoid such problems. Can we revaluate whether standby RM should expose jmx? 
cc: [~cheersyang], [~leftnoteasy], [~sunilg]

> Standby RM should also expose some jmx and metrics
> --------------------------------------------------
>                 Key: YARN-2599
>                 URL: https://issues.apache.org/jira/browse/YARN-2599
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: resourcemanager
>    Affects Versions: 2.5.1, 2.7.3, 3.0.0-alpha1
>            Reporter: Karthik Kambatla
>            Assignee: Rohith Sharma K S
>            Priority: Major
>         Attachments: YARN-2599.patch
> YARN-1898 redirects jmx and metrics to the Active. As discussed there, we 
> need to separate out metrics displayed so the Standby RM can also be 
> monitored. 

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