Why Git hosting breaks at scale — and how Cursor rebuilt it
Git's packfile and DAG design makes hosting at scale brutal; Cursor details how GitHub's 3PC-based Spokes approach buckles under operational overhead and horizontal scaling bottlenecks. The post lays out Cursor's own storage and networking architecture for serving Git reliably without traditional server-side packfile pain. A deep, pragmatic tour for anyone running infra behind a dev tool.