197 MapReduce and Hadoop Luis Rodero-Merino École Supérieure de Lyon, France & Polytechnic University of Madrid, Spain Gilles Fedak École Supérieure de Lyon, France Chapter 10 ABSTRACT This chapter introduces the MapReduce solution for distributed computation. It explains the fundamen- tals of MapReduce and describes in which scenarios it can be applied (basically, processing of massive data by easily parallelizable algorithms). Also, this chapter gives an overview of the open source project