Lei Guo commented on YARN-3332:

Any consideration to support plug-in for customized resource statistics 
collection in NM? We may need other type resource information for scheduling 
purpose later, for example, GPU related information. 

> [Umbrella] Unified Resource Statistics Collection per node
> ----------------------------------------------------------
>                 Key: YARN-3332
>                 URL: https://issues.apache.org/jira/browse/YARN-3332
>             Project: Hadoop YARN
>          Issue Type: Improvement
>            Reporter: Vinod Kumar Vavilapalli
>            Assignee: Vinod Kumar Vavilapalli
>         Attachments: Design - UnifiedResourceStatisticsCollection.pdf
> Today in YARN, NodeManager collects statistics like per container resource 
> usage and overall physical resources available on the machine. Currently this 
> is used internally in YARN by the NodeManager for only a limited usage: 
> automatically determining the capacity of resources on node and enforcing 
> memory usage to what is reserved per container.
> This proposal is to extend the existing architecture and collect statistics 
> for usage b​eyond​ the existing use­cases.
> Proposal attached in comments.

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