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Posted to yarn-issues@hadoop.apache.org by "Lohit Vijayarenu (JIRA)" <ji...@apache.org> on 2014/06/23 20:56:28 UTC

[jira] [Commented] (YARN-796) Allow for (admin) labels on nodes and resource-requests

    [ https://issues.apache.org/jira/browse/YARN-796?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14041128#comment-14041128 ] 

Lohit Vijayarenu commented on YARN-796:
---------------------------------------

As [~tucu00] mentioned, label sounds closely related to affinity and should be treated less off a resource. It becomes closely related to resources when it comes to exposing them on scheduler queues and exposing that to users who wish to schedule their jobs on certain set of labeled nodes. This is definitely very useful feature to have. Looking forward for design document. 

> 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: 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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