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https://issues.apache.org/jira/browse/YARN-796?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14068120#comment-14068120
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Alejandro Abdelnur commented on YARN-796:
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Wangda, your usecase is throwing overboard the work pf the scheduler regarding
matching nodes with data locality. you can solve it in a much better way using
scheduler queues configuration, which can be dynamically adjusted.
> 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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