Название: Optimizing Cloud Native Java: Practical Techniques for Improving JVM Application Performance, 2nd Edition (Early Release)
Автор: Ben Evans, James Gough
Издательство: O’Reilly Media, Inc.
Год: 2023-11-03
Страниц: 117
Язык: английский
Формат: pdf, epub
Размер: 10.08 MB

Performance tuning is an experimental science, but that doesn't mean engineers should resort to guesswork and folklore to get the job done. Yet that's often the case. With this practical book, intermediate to advanced Java technologists working with complex platforms will learn how to tune Java cloud applications for performance using a quantitative, verifiable, and repeatable approach.

In response to the ubiquity of cloud computing, this updated edition of Optimizing Cloud Native Java addresses topics that are key to high performance of Java applications in the cloud. Many resources on performance tend to focus on the theory and internals of Java virtual machines, but this book discusses the low-level technical aspects within the context of performance-tuning practicalities and examines a wide range of aspects.

The execution speed of Java code is highly dynamic and fundamentally depends on the underlying Java Virtual Machine. An old piece of Java code may well execute faster on a more recent JVM, even without recompiling the Java source code. As you might imagine, for this reason (and others we will discuss later) this book is not a cookbook of performance tips to apply to your code. Instead, we focus on a range of aspects that come together to produce good performance engineering:

• Performance methodology within the overall software lifecycle
• Theory of testing as applied to performance
• Measurement, statistics, and tooling
• Analysis skills (both systems and data)
• Underlying technology and mechanisms

With this book, you will:

Learn how Java principles and technology make the best use of modern hardware, operating systems, and cloud stacks
Examine the pitfalls of measuring Java performance numbers and the drawbacks of microbenchmarking
Understand how to package, deploy, operate, and debug Java/JVM applications in modern cloud environments
Apply emerging observability approaches to obtain deep understanding of cloud native applications
Use Java language performance techniques including concurrent and distributed forms




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