DATABASE SYSTEMS
13th Edition
ISBN: 9780357095607
Author: Coronel
Publisher: CENGAGE L
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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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