Latency

Reduce Delay in Software Systems

Pekka Enberg

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Paperback

Forthcoming
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English

Manning Publications
25 November 2025

Mainframes & minicomputers; Computer programming & software development; Programming & scripting languages: general

Practical techniques for delivering low latency software. Slow responses can kill good software. Whether it's recovering microseconds lost while routing messages on a server or speeding up page loads that keep users waiting, finding and fixing latency can be a frustrating part of your work as a developer. This one-of-a-kind book shows you how to spot, understand, and respond to latency wherever it appears in your applications and infrastructure.

In Latency you'll learn:

- What latency is--and what it is not

- How to model and measure latency

- Organizing your application data for low latency

- Making your code run faster

- Hiding latency when you can't reduce it

Put simply, latency is the delay between a cause and effect. In practice, too much latency can create problems throughout a software system, ranging from inaccurate calculations and timeouts to impatient users simply abandoning your applications. Latency issues can be challenging to avoid and troubleshoot. This book balances theory with practical implementations, turning academic research into useful techniques you can apply to your projects.

About the book

Latency shows you how to troubleshoot latency issues in existing systems, and how to create low latency systems from the ground up. You'll discover how your code runs differently on distributed systems, databases, and operating systems, and understand the common latency-causing issues in each situation. Hands-on projects help you apply what you learn.

You'll write a latency benchmark harness to measure and visualize latency; and use colocation, partitioning, and caching to reduce latency in a REST API. Plus, tips, tricks, and author Pekka Enberg's personal insights on latency ensure this book will remain a handy reference long after you've finished reading!

About the reader

For software engineers with a working knowledge of backends. Examples in Rust.

About the author

Pekka Enberg is a software professional with a background and experience in operating systems, databases, and distributed systems and a research interest in low-latency networked systems. In the past, Pekka has worked on the Linux kernel as a maintainer of the dynamic memory allocator subsystem and on ScyllaDB, an Apache Cassandra-compatible, distributed database focusing on low-latency and high throughput.

Get a free eBook (PDF or ePub) from Manning as well as access to the online liveBook format (and its AI assistant that will answer your questions in any language) when you purchase the print book.

By: Pekka Enberg
Imprint: Manning Publications
Weight: 417g
ISBN: 9781633438088
ISBN 10: 1633438082
Pages: 271
Publication Date: 25 November 2025
Audience: General/trade , ELT Advanced
Format: Paperback
Publisher's Status: Forthcoming

Pekka Enberg is a software professional with a background and experience in operating systems, databases, and distributed systems and a research interest in low-latency networked systems. In the past, Pekka has worked on the Linux kernel as a maintainer of the dynamic memory allocator subsystem and on ScyllaDB, an Apache Cassandra-compatible, distributed database focusing on low-latency and high throughput.