Part 1. Background and fundamentals
Part 1 of this book consists of chapters 1 and 2, which cover the important Hadoop fundamentals.
Chapter 1 covers Hadoop’s components and its ecosystem and provides instructions for installing a pseudo-distributed Hadoop setup on a single host, along with a system that will enable you to run all of the examples in the book. Chapter 1 also covers the basics of Hadoop configuration, and walks you through how to write and run a MapReduce job on your new setup.
Chapter 2 introduces YARN, which is a new and exciting development in Hadoop version 2, transitioning Hadoop from being a MapReduce-only system to one that can support many execution engines. Given that YARN is new to the community, the goal of this chapter ...
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