MongoDB: Terrible MapReduce Performance

Question

I have a long history with relational databases, but I\'m new to MongoDB and MapReduce, so I\'m almost positive I must be doing something wrong. I\'ll jump right into the qu

Answer 1

Have you already tried using hadoop connector for mongodb?

Look at this link here: http://docs.mongodb.org/ecosystem/tutorial/getting-started-with-hadoop/

Since you are using only 3 shards, I don't know whether this approach would improve your case.