Re: Follow-Up: How to improve db performance with $7K?

From: "Steinar H(dot) Gunderson" <sgunderson(at)bigfoot(dot)com>
To: pgsql-performance(at)postgresql(dot)org
Subject: Re: Follow-Up: How to improve db performance with $7K?
Date: 2005-04-06 13:33:48
Message-ID: 20050406133348.GA16108@uio.no
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On Wed, Apr 06, 2005 at 03:26:33PM +0200, PFC wrote:
> Well, unless you have PCI 64 bits, the "standard" PCI does 133 MB/s
> which is then split exactly in two times 66.5 MB/s for 1) reading from the
> PCI network card and 2) writing to the PCI harddisk controller. No wonder
> you get this figure, you're able to saturate your PCI bus, but it does not
> tell you a thing on the performance of your disk or network card... Note
> that the server which serves the file is limited in the same way unless
> the file is in cache (RAM) or it's PCI64. So...

This is PCI-X.

/* Steinar */
--
Homepage: http://www.sesse.net/

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