Spark - Key-Value RDD

> Database > Spark > Spark - Resilient Distributed Datasets (RDDs)

1 - About

Spark supports Key-Value pairs RDD in Python trough a list of tuple.

A count of an RDD with tuple will return the number of tuples. A tuple can be seen as a row.

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3 - Construction

Spark RDD - (Creation|Construction|Initialization)

rdd = sc.parallelize([(1, 2), (3, 4)]) 
RDD: [(1, 2), (3, 4)]

4 - Transformation

5 - Action

6 - Documentation / Reference