On Nov 9, 2007 10:40 AM, Claus Guttesen <kometen(at)gmail(dot)com> wrote:
> > Apart from the disks, you might also investigate using Opterons instead
> > of Xeons. there appears to be some significant dent in performance
> > between Opteron and Xeon. Xeons appear to spend more time in passing
> > around ownership of memory cache lines in case of a spinlock.
> > It's not yet clear whether or not here has been worked around the issue.
> > You should at least investigate it a bit.
> > We're using a HP DL385 ourselves which performs quite well.
> Not atm. Until new benchmarks are published comparing AMD's new
> quad-core with Intel's ditto, Intel has the edge.
For 8 cores, it appears AMD has the lead, read this (stolen from
In response to
pgsql-performance by date
|Next:||From: Campbell, Lance||Date: 2007-11-09 17:49:03|
|Subject: work_mem and shared_buffers|
|Previous:||From: Claus Guttesen||Date: 2007-11-09 16:40:50|
|Subject: Re: dell versus hp|