
Series Summary: This is Part 1 of a multi-part series on PostgreSQL autovacuum failures.
PostgreSQL is known for its resilience and smart storage mechanisms, but even a mature system has edge cases. This post kicks off a multi-part series exploring a subtle but dangerous gotcha: under specific conditions, autovacuum can stop running entirely in a multi-database cluster, without any clear warning. Let’s look at how this happens and why it …