[jira] [Updated] (YARN-3362) Add node label usage in RM CapacityScheduler web UI

["Eric Payne (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/YARN-3362?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Eric Payne updated YARN-3362:
-----------------------------
    Attachment: YARN-3362-branch-2.7.002.patch

[~leftnoteasy] and [~sunilg], as we discussed in YARN-4751, I am attaching the 2.7 backport of YARN-3362 to this JIRA. Please see YARN-4751 to for a discussion of the additional changes needed for 2.7 that will provide accurate metrics on labeled queues.

2.7-specific differences in {{YARN-3362-branch-2.7.002.patch}}:
- The {{RMNodeLabel}} class is named {{NodeLabel}} in 2.7.
- The {{CapacitySchedulerInfo}} constructor doesn't have the {{CapacityScheduler}} parameter in 2.7, so I left it out.
- One of the changes for {{CapacitySchedulerInfo#getQueues}} in YARN-3362 added a check to skip non-accessible queues. In 2.7, there are 2 loops that iterate over the queues whereas in 2.8 and beyond, there is only 1. I put the check in the first loop because the first loop is filtering the queues to be processed by the second loop


> Add node label usage in RM CapacityScheduler web UI
> ---------------------------------------------------
>
>                 Key: YARN-3362
>                 URL: https://issues.apache.org/jira/browse/YARN-3362
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: capacityscheduler, resourcemanager, webapp
>            Reporter: Wangda Tan
>            Assignee: Naganarasimha G R
>             Fix For: 2.8.0
>
>         Attachments: 2015.05.06 Folded Queues.png, 2015.05.06 Queue Expanded.png, 2015.05.07_3362_Queue_Hierarchy.png, 2015.05.10_3362_Queue_Hierarchy.png, 2015.05.12_3362_Queue_Hierarchy.png, CSWithLabelsView.png, No-space-between-Active_user_info-and-next-queues.png, Screen Shot 2015-04-29 at 11.42.17 AM.png, YARN-3362-branch-2.7.002.patch, YARN-3362.20150428-3-modified.patch, YARN-3362.20150428-3.patch, YARN-3362.20150506-1.patch, YARN-3362.20150507-1.patch, YARN-3362.20150510-1.patch, YARN-3362.20150511-1.patch, YARN-3362.20150512-1.patch, capacity-scheduler.xml
>
>
> We don't have node label usage in RM CapacityScheduler web UI now, without this, user will be hard to understand what happened to nodes have labels assign to it.



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