CHIA-MING LIN highlighted (v) => (v, 1) from Learning Spark

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(v) => (v, 1)

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Cover of Learning Spark

4. Working with Key/Value Pairs
from Learning Spark
by Matei Zaharia, Patrick Wendell, Andy Konwinski, Holden Karau
Publisher: O'Reilly Media, Inc.
Released: February 2015

Note

createCombiner: the return of this creator determines the type of accumulator.

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