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Posted to yarn-issues@hadoop.apache.org by "Ahmed Hussein (Jira)" <ji...@apache.org> on 2019/09/06 20:01:00 UTC
[jira] [Updated] (YARN-9805) Fine-grained SchedulerNode
synchronization
[ https://issues.apache.org/jira/browse/YARN-9805?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Ahmed Hussein updated YARN-9805:
--------------------------------
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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