Who this book is for
This book is meant for a gamut of readers. A novice user of Hadoop can use this book to upgrade his skill level in the technology. People with existing experience in Hadoop can enhance their knowledge about Hadoop to solve challenging data processing problems they might be encountering in their profession. People who are using Hadoop, Pig, or Hive at their workplace can use the tips provided in this book to help make their jobs faster and more efficient. A curious Big Data professional can use this book to understand the expanding horizons of Hadoop and how it is broadening its scope by embracing other paradigms, not just MapReduce. Finally, a Hadoop 1.X user can get insights into the repercussions of upgrading to Hadoop 2.X. The book assumes familiarity with Hadoop, but the reader need not be an expert. Access to a Hadoop installation, either in your organization, on the cloud, or on your desktop/notebook is recommended to try some of the concepts.