| From: | Bruce Momjian <bruce(at)momjian(dot)us> |
|---|---|
| To: | Mark Wong <markwkm(at)gmail(dot)com> |
| Cc: | david(at)lang(dot)hm, pgsql-performance(at)postgresql(dot)org, Gabrielle Roth <gorthx(at)gmail(dot)com> |
| Subject: | Re: file system and raid performance |
| Date: | 2008-08-15 19:22:59 |
| Message-ID: | 200808151922.m7FJMxJ21964@momjian.us |
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| Thread: | |
| Lists: | pgsql-performance |
Mark Wong wrote:
> On Mon, Aug 4, 2008 at 10:04 PM, <david(at)lang(dot)hm> wrote:
> > On Mon, 4 Aug 2008, Mark Wong wrote:
> >
> >> Hi all,
> >>
> >> We've thrown together some results from simple i/o tests on Linux
> >> comparing various file systems, hardware and software raid with a
> >> little bit of volume management:
> >>
> >> http://wiki.postgresql.org/wiki/HP_ProLiant_DL380_G5_Tuning_Guide
Mark, very useful analysis. I am curious why you didn't test
'data=writeback' on ext3; 'data=writeback' is the recommended mount
method for that file system, though I see that is not mentioned in our
official documentation.
--
Bruce Momjian <bruce(at)momjian(dot)us> http://momjian.us
EnterpriseDB http://enterprisedb.com
+ If your life is a hard drive, Christ can be your backup. +
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