[jira] [Created] (YARN-4634) Scheduler UI/Metrics need to consider cases like non-queue label mappings

["Sunil G (JIRA)" <ji...@apache.org>]

Sunil G created YARN-4634:
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             Summary: Scheduler UI/Metrics need to consider cases like non-queue label mappings
                 Key: YARN-4634
                 URL: https://issues.apache.org/jira/browse/YARN-4634
             Project: Hadoop YARN
          Issue Type: Bug
    Affects Versions: 2.7.1
            Reporter: Sunil G
            Assignee: Sunil G


Currently when label-queue mappings are not available, there are few assumptions taken in UI and in metrics.

In above case where labels are enabled and available in cluster but without any queue mappings, UI displays queues under labels. This is not correct.
Currently  labels enabled check and availability of labels are considered to render scheduler UI. Henceforth we also need to check whether 
- queue-mappings are available
- nodes are mapped with labels with proper exclusivity flags on

This ticket also will try to see the default configurations in queue when labels are not mapped. 





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