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Map and Reduce data flow

Map and Reduce data flow

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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(a) Outputs the number of bikes rented out by each station (in total across all dates).
Transcribed Image Text:(a) Outputs the number of bikes rented out by each station (in total across all dates).
4. Consider the following dataset, which consists of a set of records with the format: (station name, month, day of the month, number of bikes rented that day) The dataset we are going to use is the following: (A, 2, 1, 70), (A, 2, 2, 80), (B, 1, 30, 30), (B, 1, 31, 40), (B, 2, 1, 50), (C, 2, 1, 70). Write down the Map and Reduce data flow steps/diagram to solve the following problems where you should randomly split the input data into two equal parts.
Transcribed Image Text:4. Consider the following dataset, which consists of a set of records with the format: (station name, month, day of the month, number of bikes rented that day) The dataset we are going to use is the following: (A, 2, 1, 70), (A, 2, 2, 80), (B, 1, 30, 30), (B, 1, 31, 40), (B, 2, 1, 50), (C, 2, 1, 70). Write down the Map and Reduce data flow steps/diagram to solve the following problems where you should randomly split the input data into two equal parts.
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