Does vacuumdb have knowledge of a VACUUM that was done on a table in the prior run and skip it the next time (assuming the table does not change) ? If not.is autovacuum smart enough to figure that out ? -- Sent via pgsql-admin mailing list (pgsql-admin@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-admin