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Chapter 14, Problem 11RQ
Program Plan Intro

MapReduce:

  • MapReduce is the processing layer of Hadoop.
  • It is an open source application programming interface that is designed to process large volumes of data in parallel.
  • The MapReduce framework had two main functions, Map and Reduce.
  • The function of the term Map is to take a job and divide into small units of work and the function of the term Reduce is to collect the output generated from different nodes and then integrating them into a single result set.

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