This book looks at latency from first principles to production-ready code, and shows how to make your software faster at every layer of the stack. Pekka Enberg explains what latency really is, how it differs from bandwidth, and why it matters for user experience.  Using practical examples, later chapters show how to apply Little’s Law, design lock-free algorithms, and design caching systems that scale. Enberg explains how code runs differently on distributed systems, databases, and operating systems, and how to understand the common latency-causing issues in each situation.

<ASIN:1633438082 >

Author: Pekka Enberg
Publisher: Manning
Date: November 2025
Pages: 264
ISBN: 978-1633438088
Print: 1633438082
Kindle: B0FSS4J6VG
Level: Intermediate/Advanced

• Define latency, distinguish it from bandwidth, and understand its impact on user experience
• Model performance with Little’s Law and Amdahl’s Law, then measure and visualize delays
• Optimize data access with colocation, replication, partitioning, and caching
• Accelerate logic with algorithmic improvements, memory tuning, and lock-free concurrency
• Minimize delays with asynchronous processing, predictive techniques, and speculative execution

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