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https://issues.apache.org/jira/browse/YARN-6244?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wangda Tan updated YARN-6244:
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Attachment: YARN-6244.preliminary.0.patch
Attached preliminary patch.
> Introduce AtomicResource in ResourceUsage to avoid read-write lock.
> -------------------------------------------------------------------
>
> Key: YARN-6244
> URL: https://issues.apache.org/jira/browse/YARN-6244
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: capacityscheduler, fairscheduler, resourcemanager,
> scheduler
> Reporter: Wangda Tan
> Attachments: YARN-6244.preliminary.0.patch
>
>
> While doing SLS tests of YARN-5139, I found when multiple threads are doing
> scheduling at the same time, read/write lock of ResourceUsage becomes
> bottleneck. This could be improved.
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