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https://issues.apache.org/jira/browse/MAPREDUCE-4256?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13284356#comment-13284356
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Radim Kolar commented on MAPREDUCE-4256:
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resources will be detectable by plugin. Plugin will work in 2 modes (node wide
and cluster wide) and report currently in use resource and max. available. If
resource will not have plugin assigned, it will use simple allocation - just
hardcode into hadoop config how much resources of that kind you have.
> Improve resource scheduling
> ---------------------------
>
> Key: MAPREDUCE-4256
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-4256
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Components: resourcemanager
> Reporter: Radim Kolar
>
> Currently resource manager supports only Memory resource during container
> allocation.
> I propose following improvements:
> 1. add support for CPU utilization. Node CPU used information can be obtained
> by ResourceCalculatorPlugin.
> 2. add support for custom resources. In node configuration will be something
> like:
> name=node.resource.GPU, value=1 (node has 1 GPU).
> If job will need to use GPU for computation, it will add "GPU=1" requirement
> to its job config and Resource Manager will allocate container on node with
> GPU available.
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