Dennis, On Fri, 01 Jul 2005, Dennis Bjorklund wrote:
> On Thu, 30 Jun 2005, John Mendenhall wrote: > > > Our setting for effective_cache_size is 2048. > > > > random_page_cost = 4, effective_cache_size = 2048 time approximately > > 4500ms > > random_page_cost = 3, effective_cache_size = 2048 time approximately > > 1050ms > > random_page_cost = 3, effective_cache_size = 4096 time approximately > > 1025ms > > The effective_cache_size still looks small. As a rule of tumb you might > want effective_cache_size to be something like 1/2 or 2/3 of your total > memory. I don't know how much you had, but effective_cache_size = 4096 is > only 32M. > > shared_buffers and effective_cache_size is normally the two most important > settings in my experience. I have increased the effective_cache_size to 16384 (128M). I have kept random_page_cost at 3 for now. This appears to give me the performance I need at this time. In the future, we'll look at other methods of increasing the performance. Thank you all for all your suggestions. JohnM -- John Mendenhall [EMAIL PROTECTED] surf utopia internet services ---------------------------(end of broadcast)--------------------------- TIP 5: Have you checked our extensive FAQ? http://www.postgresql.org/docs/faq