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Posted to issues@spark.apache.org by "Apache Spark (Jira)" <ji...@apache.org> on 2023/02/28 05:45:00 UTC

[jira] [Commented] (SPARK-42613) PythonRunner should set OMP_NUM_THREADS to task cpus instead of executor cores by default

    [ https://issues.apache.org/jira/browse/SPARK-42613?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17694324#comment-17694324 ] 

Apache Spark commented on SPARK-42613:
--------------------------------------

User 'jzhuge' has created a pull request for this issue:
https://github.com/apache/spark/pull/40212

> 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
>            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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