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https://issues.apache.org/jira/browse/YARN-2495?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14182473#comment-14182473
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Wangda Tan commented on YARN-2495:
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bq. But currently i have NodeLabelProvider as service (as per your earlier
comments ) and is part of NodeStatus updater, so planning to have some dummy
Service which doesn't give any node labels and is static
I'm not very sure about what's the dummy service used for, is it for test
purpose? I think if we don't enable decentralized node label configuration, we
don't need initialize such service at all, NodeStatusUpdater will only get
labels from it if decentralized enabled. If it is for test purpose, that should
be fine :)
Thanks,
> Allow admin specify labels in each NM (Distributed configuration)
> -----------------------------------------------------------------
>
> Key: YARN-2495
> URL: https://issues.apache.org/jira/browse/YARN-2495
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: resourcemanager
> Reporter: Wangda Tan
> Assignee: Naganarasimha G R
> Attachments: YARN-2495.20141023-1.patch, YARN-2495_20141022.1.patch
>
>
> Target of this JIRA is to allow admin specify labels in each NM, this covers
> - User can set labels in each NM (by setting yarn-site.xml or using script
> suggested by [~aw])
> - NM will send labels to RM via ResourceTracker API
> - RM will set labels in NodeLabelManager when NM register/update labels
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