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