word count example in hadoop


Run Example MapReduce Program 2

For testing YARN/Map Reduce Installation, we can run example mapreduce program (word count job) from the hadoop download directory. Hadoop release will contain map reduce examples in  share/hadoop/mapreduce/hadoop-mapreduce-examples-x.y.z.jar file. In this demonstration, we will consider wordcount mapreduce program from the above jar to test the counts of each word in a input file and writes counts into output file. 1. Create input test file in local file system and copy it […]


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Dharmeswaran ETL / Hadoop Developer Spark Nov 2016 September 21, 2017

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