When I started learning Redis, I had one big question: "If thousands of people are using the same app at the same time, how does the app know whose data belongs to whom? " Turns out, the answer is simpler than I thought, but it took me a while to fully connect the dots. So I'm writing this post ...
Source: [Dev.to](https://dev.to/vigneshkumars-dev/how-redis-caching-actually-works-explained-like-youre-5-but-for-developers-4kbm)