Karau H.. High Performance Spark. Best Practices...2ed 2026 Final

Textbook in PDF format Apache Spark is amazing when everything clicks. But if you haven't seen the performance improvements you expected or still don't feel confident enough to use Spark in production, this practical book is for you. Authors Holden Karau, Adi Polak, and Rachel Warren walk you through the secrets of the Spark code base and demonstrate performance optimizations that will help your data pipelines run faster, scale to larger datasets, and avoid costly antipatterns. Ideal for data engineers, software engineers, data scientists, and system administrators, the second edition of High Performance Spark presents new use cases, code examples, and best practices for Spark 4.x and beyond. This book gives you a fresh perspective on this continually evolving framework and shows you how to work around bumps on your Spark and PySpark journey. In this book, we will focus on Spark’s Scala and Python APIs with callouts to other languages where relevant. Part of this decision is simply in the interest of time and space; we trust readers wanting to use Spark in another language can probably read one of (if not both) Scala and Python. Although Python and Java are more commonly used languages, learning to read Scala is a worthwhile investment for anyone interested in delving deep into Spark development. Spark’s documentation can be uneven. However, the readability of the codebase is world-class. Perhaps more than with other frameworks, the advantages of cultivating a sophisticated understanding of the Spark codebase are integral to the advanced Spark user. Because Spark is written in Scala, it will be difficult to interact with the Spark source code without the ability, at least, to read Scala code. The methods in the resilient distributed datasets (RDDs) class closely mimic those in the Scala collections API. RDD functions, such as map, filter, flatMap, reduce, and fold, have nearly identical specifications to their Scala equivalents. Even folks who primarily use the Datasets API will appreciate being able to understand the underlying RDDs. Fundamentally Spark is a functional framework, relying heavily on concepts like immutability and lambda definition, so using the Spark API may be more intuitive with some knowledge of functional programming. Programmers familiar with functional programming in Python or Scala (map, filter, etc.) will have the easiest time. With this book, you'll learn how to: Accelerate your ML workflows with integrations including PyTorch Handle key skew and take advantage of Spark's new dynamic partitioning Make your code reliable with scalable testing and validation techniques Make Spark high performance Deploy Spark on Kubernetes and similar environments Take advantage of GPU acceleration with RAPIDS and resource profiles Get your Spark jobs to run faster Use Spark to productionize exploratory data science projects Handle even larger datasets with Spark Gain faster insights by reducing pipeline running times

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2 Aug 2026, 16:29 UTC

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