| From: | Devrim GÜNDÜZ <devrim(at)CommandPrompt(dot)com> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | "Joshua D(dot) Drake" <jd(at)CommandPrompt(dot)com>, "Gavin M(dot) Roy" <gmr(at)myyearbook(dot)com>, Simon Riggs <simon(at)2ndquadrant(dot)com>, Dave Page <dpage(at)postgresql(dot)org>, Greg Smith <gsmith(at)gregsmith(dot)com>, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: Machine available for community use |
| Date: | 2007-07-31 05:24:11 |
| Message-ID: | 1185859451.3050.172.camel@laptop.gunduz.org |
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| Thread: | |
| Lists: | pgsql-hackers |
Hi,
On Mon, 2007-07-30 at 23:36 -0400, Tom Lane wrote:
> > Each test took 1-2 days -- I will insist that CentOS performs poorer
> > than RHEL.
>
> I'm finding that hard to believe too.
I have felt the same, that's why I repeated the test twice.
> There isn't any "secret sauce" in the RHEL build process
Really? Are the compiler options, etc, public?
> --- the CentOS guys should have been able to duplicate the RHEL RPMs
> exactly. Now it's possible that CentOS had lagged in updating some
> performance-relevant package; did you compare package versions across
> both OSes?
Actually I did not compare -- But both of them were 4.3 (RHEL 4.3 and
CentOS 4.3). I'm assuming that they have the same package versions,
right?
BTW, they were stock 4.3 -- no updates, etc.
I hope I will be able to publish only the graphs, so that community will
take a look what is going on.
Regards,
--
Devrim GÜNDÜZ
PostgreSQL Replication, Consulting, Custom Development, 24x7 support
Managed Services, Shared and Dedicated Hosting
Co-Authors: plPHP, ODBCng - http://www.commandprompt.com/
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