July 2017
Intermediate to advanced
796 pages
18h 55m
English
Content preview from Scala and Spark for Big Data Analytics
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General transformations
General transformations are transformation functions that handle most of the general purpose use cases, applying the transformational logic to existing RDDs and generating a new RDD. The common operations of aggregation, filters and so on are all known as general transformations.
Examples of general transformation functions are:
- map
- filter
- flatMap
- groupByKey
- sortByKey
- combineByKey
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