Explain MapReduce processing. INPUT: DOCUMENT MAP Computer 01: List individual words and count how many times each
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INPUT: DOCUMENT MAP Computer 01: List individual words and count how many times each word appears Document Section 01 REDUCE Computer: Combine lists of individual words and total counts of how many times each word appears Computer 02: List individual words and count how many times each word appears Document Section 02 Computer 03: List individual words and count how many times each word appears Document Section 03 OUTPUT: WORD COUNT A 56 And 85 Boy Dog 15 27 Document Section N The 67 Shown Computer N: List individual words and count 12 12 Sun Way how many times each word appears
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The MapReduce process is used to break a large analytical task into smaller tasks assign each small...View the full answer
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Related Book For
Database Processing Fundamentals, Design, and Implementation
ISBN: 978-0133876703
14th edition
Authors: David M. Kroenke, David J. Auer
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