You might want to start with http://hadoop.apache.org/common/docs/stable/mapred_tutorial.html.
Arun On May 23, 2012, at 12:47 PM, samir das mohapatra wrote: > Hi All, > How to compare to input file In M/R Job. > let A Log file around 30GB > and B Log file size is around 60 GB > > I wanted to know how i will define <K,V> inside the mapper. > > Thanks > samir. -- Arun C. Murthy Hortonworks Inc. http://hortonworks.com/
