Michael Fuhr <mike@xxxxxxxx> writes: > On Thu, Oct 19, 2006 at 03:30:35PM +0200, Andrzej Zawadzki wrote: >> After upgrade PostgreSQL from 8.0 to 8.1.4 a VACUUM FULL ANALYZE >> process is much slower, from logs: > Is it possible that 8.1 was built with --enable-cassert and 8.0 > wasn't? What does "SHOW debug_assertions" show on each server? Different vacuum delay settings maybe? regards, tom lane