Part 2: Reproducing and Diagnosing Autovacuum Failures
Series Summary: This is Part 2 of a multi-part series on PostgreSQL autovacuum failures.
In Part 1, we introduced the scenario where autovacuum mysteriously halts in a multi-database PostgreSQL cluster. Now, we’ll reproduce the issue using a lightweight test setup. This walkthrough will help you see the failure in action and understand how quickly your system can degrade.
How to Reproduce the Problem (and Watch PostgreSQL Go Sideways)
Let’s set up a minimal test environment that demonstrates how this scenario plays out and can quickly put your PostgreSQL instance …