Your Database Connection Pool Is Exhausted: How SMBs Can Fix PostgreSQL and MySQL Overload Without Scaling Up
One of the most common midnight emergency pages for SMB engineering teams is the dreaded database connection exhaustion error: FATAL: remaining connection slots are reserved for non-replication superuser connections. Applications grind to a halt, HTTP 500 errors spike across your frontend, and panicked developers immediately log into cloud consoles to provision a larger database instance—costing […]


