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https://issues.apache.org/jira/browse/MAPREDUCE-2723?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13069695#comment-13069695
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Arun C Murthy commented on MAPREDUCE-2723:
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I think this is the right direction...
The AM should request for disk in addition to memory via ResourceRequest.
In terms of timelines, I think it's a little early to right *now*. I'd rather
wait for a .1 release to get this feature in to ensure we spend enough time
stabilizing the core of the RM right now.
Does that make sense? Thanks.
> MR-279: port MAPREDUCE-2324 to mrv2
> -----------------------------------
>
> Key: MAPREDUCE-2723
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-2723
> Project: Hadoop Map/Reduce
> Issue Type: Sub-task
> Components: mrv2
> Affects Versions: 0.23.0
> Reporter: Robert Joseph Evans
> Assignee: Robert Joseph Evans
> Fix For: 0.23.0
>
>
> MRV2 currently does not take reduce disk usage into account when trying to
> schedule a container. For feature parity with the original map reduce it
> should be extended to allow for disk space requests within containers along
> with RAM requests. We then also need to port MAPREDUCE-2324 to the scheduler
> to allow it to avoid starvation of containers that might never get the
> resources that they need.
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