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https://issues.apache.org/jira/browse/SPARK-55012?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated SPARK-55012:
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Labels: pull-request-available (was: )
> Optimize ThreadPool usage in Arrow UDF concurrent execution
> -----------------------------------------------------------
>
> Key: SPARK-55012
> URL: https://issues.apache.org/jira/browse/SPARK-55012
> Project: Spark
> Issue Type: Improvement
> Components: PySpark
> Affects Versions: 4.2.0
> Reporter: Fangchen Li
> Priority: Major
> Labels: pull-request-available
>
> The current implementation of Arrow UDF concurrent execution creates a new
> {{ThreadPoolExecutor}} for every batch and submits one task for each row. It
> can be optimized using a singleton ThreadPool and chunked execution.
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