Bruce Momjian wrote: > OK, so what is the text that people will understand? This? > > Prevent manual VACUUMs on append-only tables from performing > needless index scans
Make vacuum cheaper by avoiding scans of btree indexes when not necessary ? Why "manual vacuum"? It's a problem with vacuums invoked from autovacuum too. -- Álvaro Herrera https://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
