| 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 |
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| 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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