John Lister wrote: >> John Lister wrote: >> >>> bizarre... Its been turned off for a while, but from memory the >>> autovacuum process was causing the table it was running on to be locked >>> - I assumed this was an equivalent to VACUUM FULL - causing all other >>> connections to wait until it had finished. Could this happen another way, >>> i thought the other vacuum options acted passively... I'll turn it back >>> on and see what happens... >> >> Maybe you're doing ALTER TABLE or something else that is blocked behind >> vacuum? Vacuum doesn't block INSERT, UPDATE or DELETE, but it can block >> other operations that want exclusive locks on the table. >> >> What Postgres version is this anyway? > > Now running 8.3, but this was on 8.2. That doesn't help isolating the problem; 8.3 autovacuum behavior is very different from 8.2. Please enable it, see how it goes, and report back if anything seems amiss. -- Alvaro Herrera http://www.CommandPrompt.com/ The PostgreSQL Company - Command Prompt, Inc. -- Sent via pgsql-admin mailing list (pgsql-admin@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-admin