Eric Payne created YARN-10935:
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Summary: AM Total Queue Limit goes below per-uwer 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
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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