Your Postgres Backups Are a Lie. Here’s the Real Failure Mode Nobody Talks About.
Most engineers obsess over whether their Postgres backups succeed — but the real danger is recovery time. Underneath every green checkmark is a fragile system of WAL logs, checkpoints, and atomic operations that determine whether you can actually restore. If you don’t understand that machinery, your backup isn’t a safety net. It’s a lie you tell yourself to sleep at night.