On Sun, Aug 14, 2011 at 6:51 AM, <tv@xxxxxxxx> wrote: > > I've increased the test duration to 10 minutes, decreased the > checkpoint timeout to 4 minutes and a checkpoint is issued just before > the pgbench. That way the starting position should be more or less the > same for all runs. Also look at increasing checkpoint completion target to something closer to 1. 0.8 is a nice starting place. -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance