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Posted to issues@spark.apache.org by "Yicong Huang (Jira)" <ji...@apache.org> on 2026/07/09 17:11:00 UTC

[jira] [Resolved] (SPARK-58016) Revert Arrow optimization by default for Python UDFs and UDTFs

     [ https://issues.apache.org/jira/browse/SPARK-58016?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Yicong Huang resolved SPARK-58016.
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    Resolution: Won't Do

Not reverting. We will fix forward to reduce the regression via https://github.com/apache/spark/pull/57099, https://github.com/apache/spark/pull/57104, and https://github.com/apache/spark/pull/57105. A complementary fix is also needed in the Apache Arrow (PyArrow) community. Revert PR https://github.com/apache/spark/pull/57094 is closed.

> Revert Arrow optimization by default for Python UDFs and UDTFs
> --------------------------------------------------------------
>
>                 Key: SPARK-58016
>                 URL: https://issues.apache.org/jira/browse/SPARK-58016
>             Project: Spark
>          Issue Type: Task
>          Components: PySpark
>    Affects Versions: 4.2.0
>            Reporter: Yicong Huang
>            Priority: Major
>              Labels: pull-request-available
>




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