We all know the trick. Pick a session window big enough to swallow every idle tab and accidental visit. Active users go up. Product looks healthy. Nobody asks what "active" actually means until the burn rate forces you to audit. I watched this happen on my own Codenames AI project. The dashboard sho...
Rust doesn't save you from bad assumptions. Two CI failures in twenty minutes proves that. The type system catches null pointers, not missing health endpoints or misconfigured gRPC timeouts. You traded segfaults for integration hell. I've been there: spent a week polishing a crate, pushed the releas...
Another "think twice before scaling" post. Cool. But the advice is dead simple: if you need a read replica, your queries are probably garbage first. A single PostgreSQL instance with proper indexing and a decent cache handles 99% of use cases. Replicas don't fix bad schema design. They just mask it ...