From: | "Joshua D(dot) Drake" <jd(at)commandprompt(dot)com> |
---|---|
To: | Simon Riggs <simon(at)2ndquadrant(dot)com> |
Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org>, pgsql-hackers(at)postgresql(dot)org |
Subject: | Re: Quality and Performance |
Date: | 2007-11-27 20:36:06 |
Message-ID: | 20071127123606.65a6ab04@commandprompt.com |
Views: | Raw Message | Whole Thread | Download mbox | Resend email |
Thread: | |
Lists: | pgsql-hackers |
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On Tue, 27 Nov 2007 20:32:57 +0000
Simon Riggs <simon(at)2ndquadrant(dot)com> wrote:
> On Tue, 2007-11-27 at 13:54 -0500, Tom Lane wrote:
>
> > However, I think everybody agrees that getting blindsided by
> > unexpected performance dropoffs is a bad thing. We really need to
> > reinstitute the sort of daily (or near-daily) performance tracking
> > that Mark Wong used to be doing, and extend it to cover a wider
> > variety of test cases than just DBT-2. As an example, I'll bet
> > that this issue of operator lookup speed would never have been
> > visible at all in DBT-2.
>
> Yeh, we need multiple large benchmarks run on a regular basis.
>
> My understanding is the community has two 8-core servers to run
> benchmarks on, but I'd quite like to have some details on where these
> are at. One is likely to be running RHEL, one Solaris.
The RHEL one as I know it, is the MyYearbook donated one. We are
currently unaware of the status of that machine except to say it is
currently running Gentoo.
I don't know the status of the Solaris machine except that I think we
had IO issues with it.
Sincerely,
Joshua D. Drake
>
> We also need performance regression tests, which is a slightly
> different thing even if they do sound similar.
>
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