[jira] [Created] (YARN-5502) RM web page shows incorrect max pool size for nested pools

["Tristan Stevens (JIRA)" <ji...@apache.org>]

Tristan Stevens created YARN-5502:
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             Summary: RM web page shows incorrect max pool size for nested pools
                 Key: YARN-5502
                 URL: https://issues.apache.org/jira/browse/YARN-5502
             Project: Hadoop YARN
          Issue Type: Bug
          Components: fairscheduler, webapp
    Affects Versions: 2.7.0, 2.6.0
            Reporter: Tristan Stevens


The scheduler page in the webapp incorrectly shows child pools' maximum sizes without first considering the maximum size of the parent.

For example:
Parent Queue AppD has Weight 100, Max: 1 CPU 100MB RAM
Child Queue AppD.Child2 has Weight 1 Max: 100 CPU 1PB RAM

In YARN RM, the max resources for AppD.Child2 shows up as being larger than the max resources for AppD, although the execution in the scheduler here is actually fine. In the image attached AppE has the same maximum as AppD, yet AppD.Child2 shows as having Max Resources well above that of AppE.





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