Andras Gyori created YARN-10795:
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Summary: Improve Capacity Scheduler reinitialisation performance
Key: YARN-10795
URL: https://issues.apache.org/jira/browse/YARN-10795
Project: Hadoop YARN
Issue Type: Improvement
Components: capacity scheduler
Reporter: Andras Gyori
Mostly due to CapacitySchedulerConfiguration#getPropsWithPrefix or similar
methods, the CapacityScheduler#reinit method has some quadratic complexity part
with respect to queue numbers. Over 1000+ queues, it is a matter of minutes,
which is too high to be a viable option when it is used in mutation api.
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