Read the first 4 chapters of "Hadoop in Action" by Chuck Lam. These chapters introduce the basics of the MapReduce and Hadoop framework in easy language.
Run the word count example which comes with the hadoop installation.
http://hadoop.apache.org/docs/r0.20.1/quickstart.html
http://hadoop.apache.org/docs/r0.20.1/mapred_tutorial.html
https://confluence.guavus.com/display/GTR/Install+and+Setup+Hadoop+on+Mac
Exercise: Implement the median function in an efficient manner using Hadoop.
Run the word count example which comes with the hadoop installation.
http://hadoop.apache.org/docs/r0.20.1/quickstart.html
http://hadoop.apache.org/docs/r0.20.1/mapred_tutorial.html
https://confluence.guavus.com/display/GTR/Install+and+Setup+Hadoop+on+Mac
Exercise: Implement the median function in an efficient manner using Hadoop.
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