ClickHouse vs. Postgres: When to Move Your Logs Out of a Relational DB

Mon, 30 Mar 2026 22:45:00 +0530

Postgres is the most reliable tool in my stack. It handles users, configurations, and complex relations without breaking a sweat. But databases, like any physical system, have a “design limit”. For Postgres, that limit usually appears when you try to use it as a dumping ground for high-velocity logs and metrics.

When your ANALYZE commands start taking minutes and your indexes consume more RAM than your data, you aren’t facing a Postgres bug; you’re facing an architectural mismatch.

Observability on Lorbic

ClickHouse vs. Postgres: When to Move Your Logs Out of a Relational DB