
Redis: More Than Just a Cache
I only used Redis as a cache until I discovered it handles sessions, leaderboards, pub/sub, and rate limiting. It's a Swiss Army knife.

I only used Redis as a cache until I discovered it handles sessions, leaderboards, pub/sub, and rate limiting. It's a Swiss Army knife.
Foundation of DB Design. Splitting tables to prevent Anomalies. 1NF, 2NF, 3NF explained simply.

Why is the CPU fast but the computer slow? I explore the revolutionary idea of the 80-year-old Von Neumann architecture and the fatal bottleneck it left behind.

ChatGPT answers questions. AI Agents plan, use tools, and complete tasks autonomously. Understanding this difference changes how you build with AI.

Integrating a payment API is just the beginning. Idempotency, refund flows, and double-charge prevention make payment systems genuinely hard.

Using Redis only as a cache is like taking a Ferrari to the grocery store. Sure, it's fast, but the real performance shows on the circuit.
Key Takeaways:
Redis is a Swiss Army knife. It's a blade, scissors, and screwdriver. But knowing when to pull out which tool is what matters. Now I use Redis beyond caching as a core system design tool. Rankings with Sorted Set, sessions with Hash + TTL, rate limiting with sliding window. When used appropriately, Redis becomes magic.