Redis Caching Strategies for Video Content Platforms

A video platform that pulls content from seven European regions needs aggressive caching or it folds under its own weight. ViralVidVault curates viral videos from across Europe, and the caching architecture went through several iterations. Here's what stuck. Why Not Just Use File Cache? File-based caching works for single-server setups, and it's what ViralVidVault started with. But it has limits: No atomic operations (race conditions on cache writes) No built-in expiry (you manage TTLs yourself)