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Re: [Testperf-general] dbt2 & opteron performance

From: Mark Wong <markw(at)osdl(dot)org>
To: "Luke Lonergan" <llonergan(at)greenplum(dot)com>
Cc: "Jim C(dot) Nasby" <decibel(at)decibel(dot)org>,testperf-general(at)pgfoundry(dot)org, pgsql-hackers(at)postgresql(dot)org
Subject: Re: [Testperf-general] dbt2 & opteron performance
Date: 2005-07-29 22:26:36
Message-ID: 200507292226.j6TMQ1jA019478@smtp.osdl.org (view raw or flat)
Thread:
Lists: pgsql-hackers
On Fri, 29 Jul 2005 13:19:06 -0700
"Luke Lonergan" <llonergan(at)greenplum(dot)com> wrote:

> Mark,
> 
> On 7/29/05 12:51 PM, "Mark Wong" <markw(at)osdl(dot)org> wrote:
> 
> > Adaptec 2200s
> 
> Have you tried non-RAID SCSI controllers in this configuration?  When we
> used the Adaptec 2120s previously, we got very poor performance using SW
> RAID (though much better than HW RAID) compared to simple SCSI controllers.
> 
> See attached, particularly the RAW RESULTS tab.  Comments welcome :-)

No, we actually don't have any non-RAID SCSI controllers to try...

Mark

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