The MapReduce paper was published by Google in 2004. MapReduce is an algorithm that describes how to do large-scale data processing on large clusters of commodity hardware. The MapReduce paper marked the beginning of the “big data” movement. The Hadoop project is an open source implementation of the MapReduce paper. Doug Cutting and Mike Cafarella wrote software that allowed anybody to use MapReduce, as long as they had significant serverContinue reading...