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What is flatmap in apache spark?

Question Posted / raspal singh


What is flatmap in apache spark?..

Answer / Manoj Kumar Vishwakarma

FlatMap in Apache Spark is a transformation function that takes an input DStream (DataStream) and applies a user-defined map function to each element of the data stream. The flatMap operation then flattens the resulting collection of objects, effectively transforming one record into multiple records.

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