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https://issues.apache.org/jira/browse/SPARK-42893?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17703447#comment-17703447
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Apache Spark commented on SPARK-42893:
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User 'xinrong-meng' has created a pull request for this issue:
https://github.com/apache/spark/pull/40513
> Block Arrow-optimized Python UDFs
> ---------------------------------
>
> Key: SPARK-42893
> URL: https://issues.apache.org/jira/browse/SPARK-42893
> Project: Spark
> Issue Type: Sub-task
> Components: PySpark
> Affects Versions: 3.4.0
> Reporter: Xinrong Meng
> Priority: Major
>
> Considering the upcoming improvements on the result inconsistencies between
> traditional Pickled Python UDFs and Arrow-optimized Python UDFs, we'd better
> block the feature, otherwise, users who try out the feature will expect
> behavior changes in the next release.
> In addition, since Spark Connect Python Client(SCPC) has been introduced in
> Spark 3.4, we'd better ensure the feature is ready in both vanilla PySpark
> and SCPC at the same time for compatibility.
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