Ruifeng Zheng created SPARK-53608:
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Summary: Improve Grouped Python UDF
Key: SPARK-53608
URL: https://issues.apache.org/jira/browse/SPARK-53608
Project: Spark
Issue Type: Umbrella
Components: Connect, PySpark, SQL
Affects Versions: 4.1.0
Reporter: Ruifeng Zheng
1, optimize the data exchange in Grouped UDFs, e.g. apply batching to avoid OOM;
2, introduce new iterator API to process the data within a group;
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