Redis Complete Guide: Caching, Queues & Pub/Sub (2026)

<h1> Redis: In-Memory Data Store for Caching, Sessions, and Fast Access </h1> <p><em>A practical guide to Redis — the in-memory data store used for caching, session storage, rate

<p>Hey dev.to community! 👋</p> <p>I've been working on a side project for a while now and finally got it to a point where I feel comfortable sharing it publicly. It's called

<p>Every backend engineer has heard the advice: add a cache. It will make your system faster. And they are right, it will. But a cache that is not properly understood is one of

<p>When I started learning Redis, I had one big question: <strong>"If thousands of people are using the same app at the same time, how does the app know whose data belongs to

<blockquote> <p>Cross-posted from <a href="https://runsite.app/blog/cache-aside-write-through-write-behind" rel="noopener noreferrer">the Runsite blog</a>.</p> </blockquote>

<p><em>Originally published on <a href="https://tamiz.pro/insights/building-resilient-realtime-systems-websockets-redis" rel="noopener noreferrer">tamiz.pro</a>.</em></p>