Apache Spark is amazing when everything clicks. But if you havent seen the performance improvements you expected, or still dont feel confident enough to use Spark in production, this practical book is for you. Authors Holden Karau and Rachel Warren demonstrate performance optimizations to help your Spark queries run faster and handle larger data sizes, while using fewer resources.Ideal for software engineers, data engineers, developers, and system administrators working with large-scale data applications, this book describes techniques that can reduce data infrastructure costs and developer hours. Not only will you gain a more comprehensive understanding of Spark, youll also learn how to make it sing.With this book, youll explore:How Spark SQLs new interfaces improve performance over SQLs RDD data structure The choice between data joins in Core Spark and Spark SQLTechniques for getting the most out of standard RDD transformations How to work around performance issues in Sparks key/value pair paradigm Writing high-performance Spark code without Scala or the JVMHow to test for functionality and performance when applying suggested improvements Using Spark MLlib and Spark ML machine learning libraries Sparks Streaming components and external community packages
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