autovacuum_work_mem sets the maximum memory each autovacuum worker may use for tracking dead tuple identifiers (TIDs) during a vacuum. Default is -1, which mean
Autovacuum's most powerful tuning lever: the scale factor that determines when dead tuples trigger a vacuum. On large tables, the 20% default waits too long.
Six years after PostgreSQL shipped the table access method API, the alternative storage engine ecosystem is thriving—but messier than early predictions…
PostgreSQL 13 added insert-triggered autovacuum to solve a critical problem: append-only tables never vacuumed, breaking index-only scans and delaying tuple…