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Basic Doubt in Hadoop

I am new to Hadoop. I started reading the standard Wordcount program. I got this basic doubt in Hadoop.

After the Map - Reduce is done, where is the output generated?  Does the reducer ouput sit on individual DataNodes ? Please advise.

Ramesh R Nair 2013-04-17, 07:36
bejoy.hadoop@... 2013-04-17, 07:55