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https://issues.apache.org/jira/browse/SPARK-49544?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated SPARK-49544:
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Labels: pull-request-available (was: )
> Severe lock contention in SparkConnectExecutionManager
> ------------------------------------------------------
>
> Key: SPARK-49544
> URL: https://issues.apache.org/jira/browse/SPARK-49544
> Project: Spark
> Issue Type: Improvement
> Components: Connect
> Affects Versions: 4.0.0
> Reporter: Changgyoo Park
> Priority: Major
> Labels: pull-request-available
>
> Critical sections protected by executionsLock can become too broad when there
> are too many ExecuteHolders, e.g., >= 10^4. The problem is aggravated when
> there are too many threads in the system: priority inversion.
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