Jun Gong updated YARN-4122:
    Attachment: GPUAsAResourceDesign.pdf

Attach a design document. Adding GPU as a resource is much like CPU/Memory, the 
most different and important part is GPU isolation. Welcome any comment and 

> Add support for GPU as a resource
> ---------------------------------
>                 Key: YARN-4122
>                 URL: https://issues.apache.org/jira/browse/YARN-4122
>             Project: Hadoop YARN
>          Issue Type: New Feature
>            Reporter: Jun Gong
>            Assignee: Jun Gong
>         Attachments: GPUAsAResourceDesign.pdf
> Use [cgroups 
> devcies|https://www.kernel.org/doc/Documentation/cgroups/devices.txt] to 
> isolate GPUs for containers. For docker containers, we could use 'docker run 
> --device=...'.
> Reference: [SLURM Resources isolation through 
> cgroups|http://slurm.schedmd.com/slurm_ug_2011/SLURM_UserGroup2011_cgroups.pdf].

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