Apache Hadoop (CDH 5) Tutorial III : MapReduce Word Count 2 - 2020Continued from Apache Hadoop Tutorial II with CDH - MapReduce Word Count, this tutorial will show how to use hadoop with CDH 5 cluster on EC2. We have 4 EC2 instances, one for Name node and three for Data nodes. To see how MapReduce works, in this tutorial, we'll use an WordCount example. WordCount is a simple application that counts the number of occurrences of each word in an input set (code sou
