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spark.apache.org

Dan_Z
Honored Contributor
Honored Contributor

‎10-22-2021 09:06 AM

mapInPandas is one of the most powerful Spark functions. It uses an arrow-like in-memory data structure to split up Spark Data Frames into chunks and feeding them to a function that takes a Pandas DF as input and output. Check it out here:

https://spark.apache.org/docs/3.0.0/sql-pyspark-pandas-with-arrow.html#map

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