title: Mongdb hadoop integration for faster data processing
body: <p>Mongodb can be integrated with hadoop to do the faster data processing but during this course of integration(MongoDB->Hadoop), data gets transferred from mongodb to hadoop. 
  Question here is, </p>
  
  <p>1.Cost of data transfer from mongodb to hadoop is it not costlier than actual data processing in mongodb ?</p>
  
  <p>2.Is data transfer (MongoDB->Hadoop) is it a one time activity ?, if yes, how is later updates to mongodb will be reflected in hadoop.</p>