How I Used Redis to Stop My Football Web App From Hammering the Database (opens in new tab)

A practical walkthrough of the cache-aside pattern — why it exists, how to implement it, and what breaks if you skip it. When I built Flacron Gamezone, one of the first questions I had to answer wasn't about the UI or the API design. It was simpler and more uncomfortable than that: what happens when fifty users refresh the live scores page at the same time? The honest answer, without caching, is that all fifty of them hit the database. And then the next fifty do the same. And the one after th...