are you using aggregation mapReduce feature of MongoDb or some scripting language(python) to emit key/value pair?
:::::::::::::::::::::::::::::::::::::::: Raj K Singh http://in.linkedin.com/in/rajkrrsingh http://www.rajkrrsingh.blogspot.com Mobile Tel: +91 (0)9899821370 On Mon, May 12, 2014 at 11:18 AM, Ranjini Rathinam <ranjinibe...@gmail.com>wrote: > Hi, > > How to convert the Mapreduce from MongoDB to Mapreduce Hadoop. > > Please suggest . > > Thanks in advance. > > Ranjini. >