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https://issues.apache.org/jira/browse/YARN-2943?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14260598#comment-14260598
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Jian He commented on YARN-2943:
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looks good overall , few minor comments:
- getNActiveNMs -> getNumActiveNMs
- Label class and RMNodeLabelInfo class can be consolidated into one
- Probably add a common method like addNode in Label class to update
numActiveNMs and resource altogether.
> Add a node-labels page in RM web UI
> -----------------------------------
>
> Key: YARN-2943
> URL: https://issues.apache.org/jira/browse/YARN-2943
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: resourcemanager
> Reporter: Wangda Tan
> Assignee: Wangda Tan
> Attachments: Node-labels-page.png, Nodes-page-with-label-filter.png,
> YARN-2943.1.patch, YARN-2943.2.patch, YARN-2943.3.patch
>
>
> Now we have node labels in the system, but there's no a very convenient to
> get information like "how many active NM(s) assigned to a given label?", "how
> much total resource for a give label?", "For a given label, which queues can
> access it?", etc.
> It will be better to add a node-labels page in RM web UI, users/admins can
> have a centralized view to see such information.
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