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From "Wangda Tan (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-796) Allow for (admin) labels on nodes and resource-requests
Date Tue, 22 Jul 2014 00:52:39 GMT

    [ https://issues.apache.org/jira/browse/YARN-796?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14069619#comment-14069619
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Wangda Tan commented on YARN-796:
---------------------------------

Jian Fang,
I think it's make sense to make RM has a global picture because we can prevent typos created
by admin manually filling labels on NM config, etc.
In another hand, I think your use case is also reasonable, 
We'd better need to support both of them, as well as "OR" label expression. Will keep you
posted when we made a plan.

Thanks,
Wangda

> 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
>            Reporter: Arun C Murthy
>            Assignee: Wangda Tan
>         Attachments: LabelBasedScheduling.pdf, Node-labels-Requirements-Design-doc-V1.pdf,
YARN-796.patch
>
>
> 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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