Case Studies

How real architectures actually evolved — stepped through version by version on the canvas, with the crack in each design named before it breaks.

From One Box to Millions: How Photo Feeds Actually Scale

4 versions

Every photo feed in history has walked the same road: one server, then a panicked database split, then caches, then shards. Walk the four versions, see exactly why each one fell over, and meet the bottleneck before it meets you.