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From "Junping Du (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-796) Allow for (admin) labels on nodes and resource-requests
Date Fri, 14 Mar 2014 03:32:47 GMT

    [ https://issues.apache.org/jira/browse/YARN-796?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13934522#comment-13934522
] 

Junping Du commented on YARN-796:
---------------------------------

bq. ResourceManager yarn-site.xml would specify the valid labels systemwide (you didn't suggest
this, but it prevent label typos going unnoticed):
I don't think typo of label is a big issue. Restricting labels in RM side potentially prevent
to add new label for new application on new registering nodes as we don't have things to refresh
yarn-site config dynamically. Isn't it?

> 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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