Database Sharding Explained With Real Examples: How Apps Scale Beyond a Single Database (opens in new tab)

Everything is going great. Your application launches. You have: 10,000 users Then: 100,000 users Then: 1,000,000 users Life is good. Until one day your database becomes the bottleneck. Queries slow down. CPU usage spikes. Storage fills up. And your single database server starts crying for help. At this point, many engineers discover a concept called: Database Sharding A technique used by some of the largest systems on the internet. Index The Day One Database Stops Scaling What Is Database Sha...