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https://issues.apache.org/jira/browse/SPARK-41188?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Weichen Xu updated SPARK-41188:
-------------------------------
Description: Limit the thread number for OpenBLAS routine to the number of
cores assigned to this executor because some spark ML algorithms calls OpenBlAS
via netlib-java
> Set executorEnv OMP_NUM_THREADS to be spark.task.cpus by default for spark
> executor JVM processes
> -------------------------------------------------------------------------------------------------
>
> Key: SPARK-41188
> URL: https://issues.apache.org/jira/browse/SPARK-41188
> Project: Spark
> Issue Type: Improvement
> Components: ML
> Affects Versions: 3.3.1
> Reporter: Weichen Xu
> Priority: Major
> Fix For: 3.4.0
>
>
> Limit the thread number for OpenBLAS routine to the number of cores assigned
> to this executor because some spark ML algorithms calls OpenBlAS via
> netlib-java
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