On Mon, 22 Jun 2009, Kevin Grittner wrote:
> When I tried with setting the ring size to 16MB, I accidentally left off
> the step to copy the postgresql.conf file, and got better performance.
Do you have happen to have a build with assertions turned on? That is one
common cause of performance going down via increased shared_buffers that
people tend to run into during beta.
You can check via psql with
show debug_assertions;
--
* Greg Smith gsmith@gregsmith.com http://www.gregsmith.com Baltimore, MD
