Karthik Kambatla commented on YARN-2141:

I would like to look at YARN-2141 as a pre-requisite of YARN-1012. Once we 
capture the actual resource consumption, we can use it in multiple ways - (1) 
Send to the RM, (2) Log it for debugging etc. 

> [Umbrella] Capture container and node resource consumption
> ----------------------------------------------------------
>                 Key: YARN-2141
>                 URL: https://issues.apache.org/jira/browse/YARN-2141
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: nodemanager
>            Reporter: Carlo Curino
>            Priority: Minor
> Collecting per-container and per-node resource consumption statistics in a 
> fairly granular manner, and making them available to both infrastructure code 
> (e.g., schedulers) and users (e.g., AMs or directly users via webapps), can 
> facilitate several performance work. 

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