Editor’s note: This article is an excerpt from the Manning book “Latency.” This book will help you better diagnose latency problems and master the low-latency techniques that have been predominantly “tribal knowledge” until now. You can download three chapters free from ScyllaDB. And learn more from the author Pekka Enberg at the upcoming “Building Low Latency Apps Masterclass” (free and virtual).
When adding caching to your application, you must first consider your caching strategy, which determines how reads and writes happen…








