Wangda Tan updated YARN-796:

    Attachment: Node-labels-Requirements-Design-doc-V2.pdf

We've been carefully thinking about our requirements, the discussion from the 
community and also the approach outlined in your design document. We have 
attempted to consolidate them and put them together to a new design doc. We 
believe this proposal addresses the core use cases listed for this feature and 
is also implementable in a phased timely manner. I want to work with you to 
consolidate the APIs proposed to get this feature to completion soon. Please 
kindly review and comment on the design when you get a chance.

Wangda Tan

> Allow for (admin) labels on nodes and resource-requests
> -------------------------------------------------------
>                 Key: YARN-796
>                 URL: https://issues.apache.org/jira/browse/YARN-796
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>    Affects Versions: 2.4.1
>            Reporter: Arun C Murthy
>            Assignee: Wangda Tan
>         Attachments: LabelBasedScheduling.pdf, 
> Node-labels-Requirements-Design-doc-V1.pdf, 
> Node-labels-Requirements-Design-doc-V2.pdf, YARN-796.patch, YARN-796.patch4
> It will be useful for admins to specify labels for nodes. Examples of labels 
> are OS, processor architecture etc.
> We should expose these labels and allow applications to specify labels on 
> resource-requests.
> Obviously we need to support admin operations on adding/removing node labels.

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