July 2017
Intermediate to advanced
796 pages
18h 55m
English
Content preview from Scala and Spark for Big Data Analytics
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Inner workings of join
Join works by operating on the partitions of a DataFrame using the multiple executors. However, the actual operations and the subsequent performance depends on the type of join and the nature of the datasets being joined. In the next section, we will look at the types of joins.
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