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Posted to yarn-issues@hadoop.apache.org by "Szilard Nemeth (Jira)" <ji...@apache.org> on 2022/02/16 14:01:00 UTC

[jira] [Updated] (YARN-10795) [Umbrella] Improve Capacity Scheduler reinitialisation performance

     [ https://issues.apache.org/jira/browse/YARN-10795?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Szilard Nemeth updated YARN-10795:
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    Summary: [Umbrella] Improve Capacity Scheduler reinitialisation performance  (was: Improve Capacity Scheduler reinitialisation performance)

> [Umbrella] 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
>            Priority: Major
>
> 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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