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What is pair rdd in spark?

Question Posted / Vikrant Chaudhary

Answer Posted / Vikrant Chaudhary

A Pair RDD (Partitioned RDD) in Apache Spark is a Resilient Distributed Dataset that consists of pairs of keys and values. Each element in the dataset has two fields: a key and a value. They are useful for implementing join operations between RDDs with different schemas.

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