Название: JVM Performance Engineering: Inside OpenJDK and the HotSpot Java Virtual Machine (Final)
Автор: Monica Beckwith
Издательство: Oracle Press/Pearson
Год: 2024
Страниц: 397
Язык: английский
Формат: pdf (true)
Размер: 51.8 MB

Peek Under the Hood of the Complex but Fascinating Java Virtual Machine.

Dive into the intricacies of JVM performance with JVM Performance Engineering, the essential guide for seasoned Java developers eager to demystify the JVM. Focusing on the OpenJDK HotSpot VM, this book provides insights into cutting-edge Java performance techniques and trends.

Distinguished Java Champion Monica Beckwith blends theoretical insights and practical tools—encompassing case studies, applications, use-case diagrams, and process flow charts—to demonstrate diagnostic techniques, performance methodologies, and optimizations.

This manual is a portal to excelling in Java performance engineering, offering Java developers, system architects, and software engineers the tools to foster career advancement and success with Java applications.

Welcome to my guide to JVM performance engineering, distilled from more than 20 years of expertise as a Java Champion and performance engineer. Within these pages lies a journey through the evolution of the JVM—a narrative that unfolds Java’s robust capabilities and architectural prowess. This book meticulously navigates the intricacies of JVM internals and the art and science of performance engineering, examining everything from the inner workings of the HotSpot VM to the strategic adoption of modular programming. By asserting Java’s pivotal role in modern computing—from server environments to the integration with exotic hardware—it stands as a beacon for practitioners and enthusiasts alike, heralding the next frontier in JVM performance engineering.

• Examine the evolving Java type system, from lambda expressions to the advent of records and sealed classes, and explore how Project Valhalla aims to further optimize performance
• Leverage the Unified JVM Logging Interface for enhanced diagnostics, monitoring, and performance testing, featuring the novel asynchronous logging mechanism
• Grasp the intricate relationship between JVM and hardware, mastering end-to-end Java performance optimization techniques
• Gain deep insights into JVM's garbage collection and memory management, examining the pivotal Garbage First and Z GCs—and how they are shaping the Java performance landscape
• Explore efficient deployment strategies and techniques to accelerate JVM readiness, leveraging class data sharing, ahead-of-time compilation, and innovations like GraalVM and upcoming Project Leyden
• Embark on an exploration of the synergy between the JVM and exotic hardware like GPUs and FPGAs and revel in the potential of Project Panama and TornadoVM in high-computational scenarios such as machine learning and data analytics
• Look ahead to the future of Java concurrency with Virtual Threads, and investigate runtime optimizations of string handling and concurrency, propelling Java forward

Intended Audience:
This book is primarily written for Java developers and software engineers who are keen to enhance their understanding of JVM internals and performance tuning. It will also greatly benefit system architects and designers, providing them with insights into JVM’s impact on system performance. Performance engineers and JVM tuners will find advanced techniques for optimizing JVM performance. Additionally, computer science and engineering students and educators will gain a comprehensive understanding of JVM’s complexities and advanced features.

With the hope of furthering education in performance engineering, particularly with a focus on the JVM, this text also aligns with advanced courses on programming languages, algorithms, systems, computer architectures, and software engineering. I am passionate about fostering a deeper understanding of these concepts and excited about contributing to coursework that integrates the principles of JVM performance engineering and prepares the next generation of engineers with the knowledge and skills to excel in this critical area of technology.

Focusing on the intricacies and strengths of the language and runtime, this book offers a thorough dissection of Java’s capabilities in concurrency, its strengths in multithreading, and the sophisticated memory management mechanisms that drive peak performance across varied environments.