Srikanth Kandula commented on YARN-2965:

[~kasha]. Thanks. Yes re: config. Agree re: tunneling through NM heartbeat, we 
could offset the overhead at RM if need be... Re: per container usages, 
certainly, that would be a great extension. Our prototype did try to capture 
the usages of "background activity". Just a heads-up though that tracking the 
network use and disk use per container requires some extra cleverness since 
that info is not readily available. Not sure will get to that on the first pass.

> Enhance Node Managers to monitor and report the resource usage on machines
> --------------------------------------------------------------------------
>                 Key: YARN-2965
>                 URL: https://issues.apache.org/jira/browse/YARN-2965
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: nodemanager, resourcemanager
>            Reporter: Robert Grandl
>            Assignee: Robert Grandl
>         Attachments: ddoc_RT.docx
> This JIRA is about augmenting Node Managers to monitor the resource usage on 
> the machine, aggregates these reports and exposes them to the RM. 

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