The VACUUM Deep Dive: Asynchronous I/O and Beyond in PostgreSQL 18
Tuesday, November 24 at 10:25-11:10
Main Room
Intermediate
PostgreSQL 18 ships the biggest set of VACUUM and autovacuum improvements in years. Beyond the headline asynchronous I/O (AIO) subsystem, this release adds smarter triggering rules, more flexible worker management, explicit control over tail truncation, better freezing behavior, and much richer observability for maintenance operations.