PostgreSQL 19 delayed to 19 November: what was reverted, what AI review had to do with it, and what to test in RC 1
PostgreSQL 19 now ships on 19 November. What was reverted and why, AI review's real role, and the checks to run before testing RC 1.
System architecture
Data models, migrations and the decisions that are expensive to reverse.
System architecture articles
Postgres isn't slow, your storage is: how to find disk waits with pg_stat_io
How to tell if PostgreSQL is waiting on storage with wait events, pg_stat_io and iostat, and what moving to local NVMe costs.