On Fri, 2006-02-17 at 14:01, Darryl W. DeLao Jr. wrote: > Running ver 7.3.10 in RHEL 3.0 ES. If I change shared buffers, dont i > have to change max connections as well? You should update to a newer version of PostgreSQL if performance is important to you. 7.3 was ok, but 8.1 is light years ahead of it. No, the shared_buffers has to be at least twice as big as the max connections. It can be more than twice as big, that's just a minimum. Read this: http://www.varlena.com/GeneralBits/Tidbits/perf.html