Contents1Introduction1.1ComputingintheClouds1.2BigIdeas1.3WhyIsThisDierent?1.4WhatThisBookIsNot2MapReduceBasics2.1FunctionalProgrammingRoots2.2MappersandReducers2.3TheExecutionFramework2.4PartitionersandCombiners2.5TheDistributedFileSystem2.6Hadoop