Karthik Kambatla commented on YARN-3481:

I have been working with [~rgrandl] on YARN-2965 (he shared his Tetris code 
privately). YARN-2965 aims to expose more than just CPU and memory - disk 
in/out bandwidth and network in/out bandwidth. I think it is okay to capture 
CPU and memory here, and add the remaining items in the context of that JIRA.

> Report NM aggregated container resource utilization in heartbeat
> ----------------------------------------------------------------
>                 Key: YARN-3481
>                 URL: https://issues.apache.org/jira/browse/YARN-3481
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: nodemanager, resourcemanager
>    Affects Versions: 2.7.0
>            Reporter: Inigo Goiri
>   Original Estimate: 336h
>  Remaining Estimate: 336h
> To allow the RM take better scheduling decisions, it should be aware of the 
> actual utilization of the containers. The NM would aggregate the 
> ContainerMetrics and report it in every heartbeat.
> Related to YARN-1012 but aggregated to reduce the heartbeat overhead.

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