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@mobart.hr
"I can do it quick, I can do it cheap, I can do it well. Pick any two."