| From: | Mark Wong <markw(at)osdl(dot)org> |
|---|---|
| To: | Josh Berkus <josh(at)agliodbs(dot)com> |
| Cc: | "Jim C(dot) Nasby" <decibel(at)decibel(dot)org>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, ITAGAKI Takahiro <itagaki(dot)takahiro(at)lab(dot)ntt(dot)co(dot)jp>, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: [PATCHES] O_DIRECT for WAL writes |
| Date: | 2005-07-07 04:58:31 |
| Message-ID: | 20050706215831.018aba3d@localhost |
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| Lists: | pgsql-hackers pgsql-patches |
On Fri, 24 Jun 2005 09:21:56 -0700
Josh Berkus <josh(at)agliodbs(dot)com> wrote:
> Jim,
>
> > Josh, is this something that could be done in the performance lab?
>
> That's the idea. Sadly, OSDL's hardware has been having critical failures of
> late (I'm still trying to get test results on the checkpointing thing) and
> the GreenPlum machines aren't up yet.
I'm on the verge of having a 4-way opteron system with 4 Adaptec 2200s
scsi controllers attached to eight 10-disk 36GB arrays ready. I believe
there are software tools that'll let you reconfigure the luns from linux
so you wouldn't need physical access. Anyone want time on the system?
Mark
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