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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 Wed, 20 Aug 2014 14:00:45 GMT

    [ https://issues.apache.org/jira/browse/YARN-796?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14103896#comment-14103896
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Wangda Tan commented on YARN-796:
---------------------------------

Hi Allen,
bq.  I don't see dynamic labels generated from an admin provided script or class on the NM
listed above
If it means "set labels on yarn-site.xml in each NM, and NM will report such labels to RM".
It should be a part of {{Distributed configuration (set labels in yarn-site.xml of NMs)}}
in the TODO list. 
If it's not, could you please give me more details about what is "dynamic labels generated
from an admin on the NM" in your thinking

> 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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