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Posted to issues@spark.apache.org by "jibiyr (Jira)" <ji...@apache.org> on 2023/04/13 13:30:00 UTC

[jira] [Created] (SPARK-43127) pandas udf/udaf not support partial merge

jibiyr created SPARK-43127:
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             Summary: pandas udf/udaf not support partial merge
                 Key: SPARK-43127
                 URL: https://issues.apache.org/jira/browse/SPARK-43127
             Project: Spark
          Issue Type: Improvement
          Components: PySpark
    Affects Versions: 3.3.2
            Reporter: jibiyr


hi community:
I use pandas udf in pysaprk,when I apply udf on grouped dataframe,it cost too many memory,I think it because pandas udaf not support partial merge
 
code like:
spark_df.groupby('a').applyinpandas(func,schema)



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