Redis - The Definitive Guide - Data Modeling- Caching- And Messaging Pdf.pdf -

Instead of a JOIN across users , followers , and posts :

If you want, I can extract from that PDF (assuming you have the file) — just upload it or tell me the edition. Instead of a JOIN across users , followers

Unlike traditional relational databases (RDBMS) like MySQL or PostgreSQL, which store data on disk and utilize complex query planners, Redis stores its entire dataset in primary memory (RAM). This fundamental architectural difference eliminates the seek time latency associated with disk I/O, allowing Redis to perform millions of requests per second with sub-millisecond latency. Instead of a JOIN across users

HINCRBY product:1001 stock -1

Product page load time drops from 180 ms to 4 ms. and posts : If you want