Hi David, On Monday 07 December 2009 23:05:14 Schmitz, David wrote: > With our data it is a performance difference from 1h16min (8.3.8) to > 2h43min (8.4.1) Can you afford a explain analyze run overnight or so for both? Andres -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance