Naganarasimha G R updated YARN-4425:
    Attachment: ResourceSharingPolicyForNodeLabelsPartitions-V1.pdf

Attaching a draft document for the proposal. We are working on the POC patch to 
support this functionality. We will try to provide default policies based on 
existing functionality. In the mean time we would like to collect inputs from 
the community on the proposal.

> Pluggable sharing policy for Partition Node Label resources
> -----------------------------------------------------------
>                 Key: YARN-4425
>                 URL: https://issues.apache.org/jira/browse/YARN-4425
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: capacity scheduler, resourcemanager
>            Reporter: Naganarasimha G R
>            Assignee: Naganarasimha G R
>         Attachments: ResourceSharingPolicyForNodeLabelsPartitions-V1.pdf
> As part of support for sharing NonExclusive Node Label partitions in 
> YARN-3214, NonExclusive partitions are shared only to Default Partitions and 
> also have fixed rule when apps in default partitions makes use of resources 
> of any NonExclusive partitions.
> There are many scenarios where in we require pluggable policy like 
> MutliTenant, Hierarchical etc.. where in each partition can determine when 
> they want to share the resources to other paritions and when other partitions 
> wants to use resources from others
> More details in the attached document.

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