[jira] [Updated] (YARN-10935) AM Total Queue Limit goes below per-user AM Limit if parent is full.

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

     [ https://issues.apache.org/jira/browse/YARN-10935?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Eric Payne updated YARN-10935:
------------------------------
    Summary: AM Total Queue Limit goes below per-user AM Limit if parent is full.  (was: AM Total Queue Limit goes below per-uwer AM Limit if parent is full.)

> AM Total Queue Limit goes below per-user AM Limit if parent is full.
> --------------------------------------------------------------------
>
>                 Key: YARN-10935
>                 URL: https://issues.apache.org/jira/browse/YARN-10935
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: capacity scheduler, capacityscheduler
>            Reporter: Eric Payne
>            Assignee: Eric Payne
>            Priority: Major
>
> This happens when DRF is enabled and all of one resource is consumed but the second resources still has plenty available.
> This is reproduceable by setting up a parent queue where the capacity and max capacity are the same, with 2 or more sub-queues whose max capacity is 100%.
> In one of the sub-queues, start a long-running app that consumes all resources in the parent queue's hieararchy. This app will consume all of the memory but not vary many vcores (for example)
> In a second queue, submit an app. The *{{Max Application Master Resources Per User}}* limit is much more than the *{{Max Application Master Resources}}* limit.



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