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Python UDF vs Scala UDF in pyspark code

greyamber
New Contributor II

โ€Ž07-29-2024 08:42 AM

Is there a performance difference between Python UDF vs Scala UDF in pyspark code.

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szymon_dybczak
Esteemed Contributor III

โ€Ž07-29-2024 08:48 AM

Hi @greyamber ,

Yes, there is a difference. Scala would be faster. You read about the reason and benchmark on following blog:

Spark UDF โ€” Deep Insights in Performance | by QuantumBlack, AI by McKinsey | QuantumBlack, AI by McK...

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