Spark - Distinct

1 - About

distinct([numTasks])) returns a new data set (RDD) that contains the distinct elements of the source data set.

3 - Example

rdd2 = sc.parallelize([1,4,2,2,3])
rdd2.distinct()
[1,4,2,2,3] → [1,4,2,3]
db/spark/distinct.txt · Last modified: 2017/09/06 20:15 by gerardnico