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https://issues.apache.org/jira/browse/YARN-2495?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14235317#comment-14235317
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Naganarasimha G R commented on YARN-2495:
-----------------------------------------
Hi [~wangda],
Yes i wanted to completely remove it, but more than test cases using it was
used in NodeManager.createNodeLabelsProviderService()
{quote}
Class<? extends NodeLabelsProviderService> labelsProviderClass =
conf.getClass(YarnConfiguration.NM_NODE_LABELS_PROVIDER_CLASS,
*ConfigurationNodeLabelsProvider.class*,
NodeLabelsProviderService.class);
provider = labelsProviderClass.newInstance();
{quote}
Which i felt is required and hence gave a stub class to segregate the patch
> Allow admin specify labels from 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-2495.20141024-1.patch,
> YARN-2495.20141030-1.patch, YARN-2495.20141031-1.patch,
> YARN-2495.20141119-1.patch, YARN-2495.20141126-1.patch,
> YARN-2495.20141204-1.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 (YARN-2923) or
> using script suggested by [~aw] (YARN-2729) )
> - NM will send labels to RM via ResourceTracker API
> - RM will set labels in NodeLabelManager when NM register/update labels
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