** HIGHLIGHT _ Hadoop in Action _ _ _is an example-rich tutorial that shows developers how to implement data-intensive distributed computing using Hadoop and the Map- Reduce framework. ** DESCRIPTION ** Hadoop is an open source implementation of Google's MapReduce framework for scalable, distributed data processing. Hadoop in Action** is for programmers, architects, and project managers who have to process large amounts of data offline. The book begins with several simple examples that illustrate the basic idea behind Hadoop. Later chapters explain the core framework components and demonstrate Hadoop in a variety of data analysis tasks. Throughout the book, readers will learn best practices and design