| From: | hubert depesz lubaczewski <depesz(at)gmail(dot)com> |
|---|---|
| To: | Luke Lonergan <llonergan(at)greenplum(dot)com> |
| Cc: | pgsql-performance(at)postgresql(dot)org |
| Subject: | Re: Huge Data sets, simple queries |
| Date: | 2006-01-29 11:25:23 |
| Message-ID: | 9e4684ce0601290325p4f284c57ndeaae13e6ce58fd7@mail.gmail.com |
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| Lists: | pgsql-performance |
On 1/28/06, Luke Lonergan <llonergan(at)greenplum(dot)com> wrote:
> You should check your disk performance, I would
> expect you'll find it lacking, partly because you are running RAID10, but
> mostly because I expect you are using a hardware RAID adapter.
hmm .. do i understand correctly that you're suggesting that using
raid 10 and/or hardware raid adapter might hurt disc subsystem
performance? could you elaborate on the reasons, please? it's not that
i'm against the idea - i'm just curious as this is very
"against-common-sense". and i always found it interesting when
somebody states something that uncommon...
best regards
depesz
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