June 2019
Beginner to intermediate
360 pages
10h 55m
English
Content preview from Big Data Simplified
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Introducing MapReduce | 87
the developer’s perspective or some of them arise due to administration as well as infrastructure
issue. Please see point number 9 in below MapReduce use case for further reference with the
screenshot of Yarn page.
4.6 EXAMPLE USE CASE ON MAPREDUCE: DEVELOPMENT
AND EXECUTION STEP-BY-STEP
Problem Statement: Find out the highest temperature of a city using MapReduce.
1. Start Hadoop cluster.
2. Prepare the temperature dataset in local file system of Linux. Create a separate directory
called ‘TemperatureData’ inside ‘/usr/local’ and make a file called ‘temperature.txt’ using
‘nano’ text editor of Linux.
M04 Big Data ...
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