Re: Performance with 2 AMD/Opteron 2.6Ghz and 8gig

From: Markus Schaber <schabi(at)logix-tt(dot)com>
To: pgsql-performance(at)postgresql(dot)org
Subject: Re: Performance with 2 AMD/Opteron 2.6Ghz and 8gig
Date: 2006-08-07 12:07:45
Message-ID: 44D72D11.7050203@logix-tt.com
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Hi, Charles,

Charles Sprickman wrote:

> I've also got a 1U with a 9500SX-4 and 4 drives. I like how the 3Ware
> card scales there - started with 2 drives and got "drive speed"
> mirroring. Added two more and most of the bonnie numbers doubled. This
> is not what I'm used to with the Adaptec SCSI junk.

Well, for sequential reading, you should be able to get double drive
speed on a 2-disk mirror with a good controller, as it can balance the
reads among the drives.

Markus
--
Markus Schaber | Logical Tracking&Tracing International AG
Dipl. Inf. | Software Development GIS

Fight against software patents in EU! www.ffii.org www.nosoftwarepatents.org

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