Naganarasimha G R commented on YARN-4466:

Hi [~djp], I discussed with [~varun_saxena] offline and got it assigned as i 
was already discussing with you on this in YARN-4452.
Thanks for assigning [~varun_saxena]

> ResourceManager should tolerate unexpected exceptions to happen in 
> non-critical subsystem/services like SystemMetricsPublisher
> ------------------------------------------------------------------------------------------------------------------------------
>                 Key: YARN-4466
>                 URL: https://issues.apache.org/jira/browse/YARN-4466
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: resourcemanager
>            Reporter: Junping Du
> From my comment in 
> YARN-4452(https://issues.apache.org/jira/browse/YARN-4452?focusedCommentId=15059805&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-15059805),
>  we should make RM more robust with ignore (but log) unexpected exception in 
> its non-critical subsystems/services.

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