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From "Sandy Ryza (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-796) Allow for (admin) labels on nodes and resource-requests
Date Thu, 13 Mar 2014 22:05:55 GMT

    [ https://issues.apache.org/jira/browse/YARN-796?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13934189#comment-13934189
] 

Sandy Ryza commented on YARN-796:
---------------------------------

Makes a lot of sense to me.  One nit:

bq. Each scheduler (CS, FS) can pick how they want labels specified in their configs
Correct me if I'm misunderstanding what you mean here, but currently neither scheduler has
node-specific stuff in its configuration.  Updating the scheduler config when a node is added
or removed from the cluster seems cumbersome.  Should labels not be included in the NodeManager
configuration like Resources are?

> 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: Arun C Murthy
>
> 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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