From: Claus Guttesen <kometen@gmail.com>
To: Jurgen Haan <jurgen@easyflex.nl>
Cc: Tore Halset <halset@pvv.ntnu.no>
Cc: pgsql-performance@postgresql.org
Subject: Re: dell versus hp
Date: Fri, 9 Nov 2007 17:40:50 +0100
Message-ID: <b41c75520711090840n31114fa8ldf2eb1bd31161205@mail.gmail.com> (raw)
In-Reply-To: <47348444.6000700@easyflex.nl>
References: <82607932-FC46-4B73-BF78-2290EE55F7F5@pvv.ntnu.no>
<47348444.6000700@easyflex.nl>
> 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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To: pgsql-performance@postgresql.org
Cc: kometen@gmail.com, jurgen@easyflex.nl, halset@pvv.ntnu.no
Subject: Re: dell versus hp
In-Reply-To: <b41c75520711090840n31114fa8ldf2eb1bd31161205@mail.gmail.com>
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