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https://issues.apache.org/jira/browse/SPARK-42613?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hyukjin Kwon reassigned SPARK-42613:
------------------------------------
Assignee: John Zhuge
> PythonRunner should set OMP_NUM_THREADS to task cpus instead of executor
> cores by default
> -----------------------------------------------------------------------------------------
>
> Key: SPARK-42613
> URL: https://issues.apache.org/jira/browse/SPARK-42613
> Project: Spark
> Issue Type: Bug
> Components: PySpark, YARN
> Affects Versions: 3.3.0
> Reporter: John Zhuge
> Assignee: John Zhuge
> Priority: Major
>
> Follow up from
> [https://github.com/apache/spark/pull/40199#discussion_r1119453996]
> If OMP_NUM_THREADS is not set explicitly, we should set it to
> `spark.task.cpus` instead of `spark.executor.cores` as described in [PR
> #38699|https://github.com/apache/spark/pull/38699].
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