Databases & Backend
3 AM Server Meltdown: How a "Treasure Hunt" Exposed the Fragility of Caching
A seemingly simple treasure hunt game's backend went from beta stability to a 3 AM crisis, not due to load, but a fundamental misunderstanding of how its caching was interacting with core database operations. This isn't just a story about latency; it's a deep dive into why optimising the wrong layer can bring everything crashing down.