| From: | "Claus Guttesen" <kometen(at)gmail(dot)com> |
|---|---|
| To: | "Jurgen Haan" <jurgen(at)easyflex(dot)nl> |
| Cc: | "Tore Halset" <halset(at)pvv(dot)ntnu(dot)no>, pgsql-performance(at)postgresql(dot)org |
| Subject: | Re: dell versus hp |
| Date: | 2007-11-09 16:40:50 |
| Message-ID: | b41c75520711090840n31114fa8ldf2eb1bd31161205@mail.gmail.com |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-performance |
> 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
--
regards
Claus
When lenity and cruelty play for a kingdom,
the gentlest gamester is the soonest winner.
Shakespeare
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