Re: [PERFORM] Memory Settings....

2007-10-22 Thread Kevin Grittner
>>> On Mon, Oct 22, 2007 at 11:10 AM, in message <[EMAIL PROTECTED]>, Lee Keel <[EMAIL PROTECTED]> wrote: > there will probably be no more than 50 simultaneous requests. > Dual-Quad Core 2.33GHz My benchmarks have indicated that you want to keep the number of active queries at or below four tim

Re: [PERFORM] Memory Settings....

2007-10-22 Thread Heikki Linnakangas
Peter Koczan wrote: > The > basic rule of thumb for shared_buffers is 25%-50% of main memory, > enough to use main memory but leaving some to allow work_mem to do its > thing and allow any other programs to run smoothly. Tweak this as > necessary. Another rule of thumb is that on Windows you want

Re: [PERFORM] Memory Settings....

2007-10-22 Thread Ben
You may find this informative: http://www.powerpostgresql.com/Downloads/annotated_conf_80.html On Mon, 22 Oct 2007, Lee Keel wrote: I have a client server that is dedicated to being a Postgres 8.2.4 database server for many websites. This server will contain approximately 15 databases each co

Re: [PERFORM] Memory Settings....

2007-10-22 Thread Peter Koczan
I recently tweaked some configs for performance, so I'll let you in on what I changed. For memory usage, you'll want to look at shared_buffers, work_mem, and maintenance_work_mem. Postgres defaults to very low values of this, and to get good performance and not a lot of disk paging, you'll want to

[PERFORM] Memory Settings....

2007-10-22 Thread Lee Keel
I have a client server that is dedicated to being a Postgres 8.2.4 database server for many websites. This server will contain approximately 15 databases each containing between 40-100 tables. Each database will have approximately 7 web applications pulling data from it, but there will probably b