On 23 February 2012 17:35, Alessandro Gagliardi <alessandro@xxxxxxxx> wrote: > I should have been more clear. I virtually never delete or do updates, but I > insert a lot. So the table does change quite a bit, but only in one > direction. The same thing applies. VACUUM cleans up dead tuples, which INSERTs don't create, only DELETE and UPDATEs do. -- Thom -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance