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From "Allen Wittenauer (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-796) Allow for (admin) labels on nodes and resource-requests
Date Wed, 20 Aug 2014 13:50:31 GMT

    [ https://issues.apache.org/jira/browse/YARN-796?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14103885#comment-14103885
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Allen Wittenauer commented on YARN-796:
---------------------------------------

I might have missed it, but I don't see dynamic labels generated from an admin provided script
or class on the NM listed above.  That's a must have feature to make this viable for any large
installation.

> 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.node-label.demo.patch.1, 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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