Arun C Murthy commented on YARN-2817:

Kafka on YARN (KAFKA-1754) would benefit enormously if it could reserve a 
certain number of drives on a node exclusively.

> Disk as a resource in YARN
> --------------------------
>                 Key: YARN-2817
>                 URL: https://issues.apache.org/jira/browse/YARN-2817
>             Project: Hadoop YARN
>          Issue Type: New Feature
>          Components: scheduler
>            Reporter: Arun C Murthy
>            Assignee: Arun C Murthy
> As YARN continues to cover new ground in terms of new workloads, disk is 
> becoming a very important resource to govern.
> It might be prudent to start with something very simple - allow applications 
> to request entire drives (e.g. 2 drives out of the 12 available on a node), 
> we can then also add support for specific iops, bandwidth etc.

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