What is Map and flatMap in Spark

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Can anyone explain what Map and FlatMap in Spark?
Jul 3, 2019 in Apache Spark by Naina

recategorized Jul 4, 2019 by Gitika 1,453 views

1 answer to this question.

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Hi,

The map is a specific line or row to process that data. In FlatMap each input item can be mapped to multiple output items (so the function should return a Seq rather than a single item). So most frequently used to return Array elements.
answered Jul 3, 2019 by Gitika
• 65,850 points

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