Foreword by Paul Dix

No series on data and analytics would be complete without coverage of Hadoop and the different parts of the Hadoop ecosystem. Hadoop 2 introduced YARN, or “Yet Another Resource Negotiator,” which represents a major change in the internals of how data processing works in Hadoop. With YARN, Hadoop has moved beyond the MapReduce paradigm to expose a framework for building applications for data processing at scale. MapReduce has become just an application implemented on the YARN framework. This book provides detailed coverage of how YARN works and explains how you can take advantage of it to work with data at scale in Hadoop outside of MapReduce.

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