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Explain about mappartitions() and mappartitionswithindex()

Question Posted / atul goel


Explain about mappartitions() and mappartitionswithindex()..

Answer / Mitan Verma

mappartitions() is a transformation in Apache Spark that creates a new RDD by re-partitioning the data across a specified number of partitions. The result RDD has no dependencies on the input RDD's partition structure. On the other hand, mappartitionsWithIndex() returns an RDD with two datasets: one containing the original data, and another containing partition indices.

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