Redis Isn't Just a Cache: 14 Use Cases (System Design) (opens in new tab)

You're probably using Redis for one job. There are 13 more, and a few of them work in ways that surprised me even after years of using it. I just published a breakdown of Redis as what it really is: an in-memory data-structure server, not a cache. A few things genuinely stopped me while making it: ↳ The job queue pattern that quietly drops your task the second a worker crashes, and why it has no built-in fix. ↳ How Redis answers "find drivers near me" without being a geo database at all. Th...