Tamas Domok created YARN-10891:
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Summary: Extend QueueInfo with max-parallel-apps in CS
Key: YARN-10891
URL: https://issues.apache.org/jira/browse/YARN-10891
Project: Hadoop YARN
Issue Type: Improvement
Components: capacity scheduler
Reporter: Tamas Domok
Assignee: Tamas Domok
Extend QueueInfo with the max-parallel-apps property, so the clients can query
the queue basis max-parallel-apps property.
Maximum number of applications that can run at the same time. Unlike to
{{maximum-applications}}, application submissions are _not_ rejected when this
limit is reached. Instead they stay in {{ACCEPTED}} state until they are
eligible to run. This can be set for all queues with
{{yarn.scheduler.capacity.max-parallel-apps}} and can also be overridden on a
per queue basis by setting
{{yarn.scheduler.capacity.<queue-path>.max-parallel-apps}}. Integer value is
expected. By default, there is no limit.
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