A simple example to practice how to write map reduce job
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Build the project run command 'gradle build' to fetch all dependencies libs and compile this project;
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highscalability.csv file is for WordCounter job;
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input/book_info.json file is for BookTagsRelevance job;
More details, please visit my blog: http://agiledon.github.com/blog/2013/03/19/hadoop-mapreduce-skillset/