Dnia poniedziałek, 21 listopada 2005 11:23, Mario Splivalo napisał:
> 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?
Look at this site once again - made some additional info.
>
> > > 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?
Raid 1+0.
>
> Mike