> I make a guess I've got this due to parallel running of a program making > bulk INSERTs/UPDATEs into that table. Mmm...I need a way to avoid the big > number of unused pages in such a case. LOCK TABLE?
Well, I suggest doing a normal vacuum analyze ('VACUUM ANALYZE goods') after every bulk insert/update. This will go through the table and mark all new outdated tuples as re-usable. That way, when you do your next bulk insert/update it will be able to reuse the unused tuples. Give that a try... Chris ---------------------------(end of broadcast)--------------------------- TIP 5: Have you checked our extensive FAQ? http://www.postgresql.org/users-lounge/docs/faq.html