Srikanth Kandula commented on YARN-2745:

Thanks Karthik, that is an interesting thought. It seems that several of the 
proposed work-items (resource estimation, expanded asks, modifications to task 
matching on NM hearbeat) have to happen regardless of whether this is a new 
scheduler or a flag atop existing ones like FairScheduler. Do you foresee any 
additional complications to build this as a flag as opposed to stand-alone? 
Will take this offline.

> YARN new pluggable scheduler which does multi-resource packing
> --------------------------------------------------------------
>                 Key: YARN-2745
>                 URL: https://issues.apache.org/jira/browse/YARN-2745
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: resourcemanager, scheduler
>            Reporter: Robert Grandl
>         Attachments: sigcomm_14_tetris_talk.pptx, tetris_paper.pdf
> In this umbrella JIRA we propose a new pluggable scheduler, which accounts 
> for all resources used by a task (CPU, memory, disk, network) and it is able 
> to achieve three competing objectives: fairness, improve cluster utilization 
> and reduces average job completion time.

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