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https://issues.apache.org/jira/browse/YARN-9805?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ahmed Hussein updated YARN-9805:
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Attachment: YARN-9805.002.patch
> Fine-grained SchedulerNode synchronization
> ------------------------------------------
>
> Key: YARN-9805
> URL: https://issues.apache.org/jira/browse/YARN-9805
> Project: Hadoop YARN
> Issue Type: Improvement
> Reporter: Ahmed Hussein
> Assignee: Ahmed Hussein
> Priority: Minor
> Attachments: YARN-9805.001.patch, YARN-9805.002.patch
>
>
> Yarn schedulerNode and RMNode are using synchronized methods on reading and
> updating the resources.
> Instead, use read-write reentrant locks to provide fine-grained locking and
> to avoid blocking concurrent reads.
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