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#Caching
2 posts
June 10, 2026
System Design Fundamentals: The 10 Components Behind Every App That Scales
Anyone can write code that works. System design is what makes it work for 100 million users at once. This post walks through every core building block — databases, caching, load balancing, replication, partitioning, CAP theorem, message queues, and monitoring — with fact-checked numbers (WhatsApp moves 100+ billion messages a day, not millions) and a worked video-streaming design at the end.
System DesignScalabilityDistributed Systems
March 7, 2025
Redis: The Speedy Key-Value Database You Need to Know
Imagine a database so fast it feels like magic, juggling everything from website caching to real-time game leaderboards—and then some! That’s Redis, an in-memory data store that’s become a developer’s secret weapon. In this guide, we’ll unpack what makes Redis tick, explore its versatile data structures, and reveal its lesser-known tricks, like messaging and atomic updates. Whether you’re new to coding or a pro, get ready to see why Redis is transforming apps worldwide!
CachingDatabasePerformance