On Mon, 2005-11-21 at 10:58 +0100, Marcin Giedz wrote: > Dnia poniedziałek, 21 listopada 2005 10:34, Mario Splivalo napisał: > > On Sun, 2005-11-20 at 11:53 -0600, Jim C. Nasby wrote: > > > Two general comments: most people find that Opterons perform much better > > > than Xeons. With some versions of PostgreSQL, the difference is over > > > 50%. > > > > Could you be more specific on that? Which version of Postgres perform > > better on Opteron than on Xeon? > > Try http://85.128.68.44 - I made some test about Xeon and Opteron Cool! :) Could you give specs on processors itself? The clock, cache, and stuff? > > RAID5 was not ment to improve performance, but to minimize disaster and > > downtime when your hard disk dies. We're using RAID5 with postgres. In > > the last 3 years we changed 5 disks, but the system downtime was zero > > minutes. > > I'm ready enough to put some tests about different RAID's for Postgresql - but > I will soon. However almost all people I know preffer RAID10 for database > like PGSQL. What do you mean when you say RAID10? Raid 1+0, or striped raid 5? Mike -- Mario Splivalo Mob-Art mario.splivalo@xxxxxxxxx "I can do it quick, I can do it cheap, I can do it well. Pick any two." ---------------------------(end of broadcast)--------------------------- TIP 1: if posting/reading through Usenet, please send an appropriate subscribe-nomail command to majordomo@xxxxxxxxxxxxxx so that your message can get through to the mailing list cleanly
