On Nov 9, 2007 10:40 AM, Claus Guttesen <kometen@xxxxxxxxx> 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. > > http://tweakers.net/reviews/657/6 For 8 cores, it appears AMD has the lead, read this (stolen from another thread): http://people.freebsd.org/~kris/scaling/7.0%20Preview.pdf ---------------------------(end of broadcast)--------------------------- TIP 7: You can help support the PostgreSQL project by donating at http://www.postgresql.org/about/donate
