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Re: The results of my PostgreSQL/filesystem performance

From: Tomka Gergely <tomka(at)zeus(dot)gau(dot)hu>
To:
Cc: psql performance list <pgsql-performance(at)postgresql(dot)org>
Subject: Re: The results of my PostgreSQL/filesystem performance
Date: 2003-08-28 13:44:58
Message-ID: Pine.LNX.4.33.0308281540550.31338-100000@zeus.gau.hu (view raw or flat)
Thread:
Lists: pgsql-performance
2003-08-28 ragyogó napján Christopher Browne ezt üzente:

> A long time ago, in a galaxy far, far away, balazs(at)neusolutions(dot)com ("Balazs Wellisch") wrote:
> > Very interesting results. I'd like to command you on your honesty.
> > Having started out with the intentions of proving that FreeBSD is faster
> > than Linux only to find that the opposite is true must not have been
> > rewarding for you. However, these unexpected results serve only to
> > reinforce the integrity of your tests.
>
> Well put.
>
> To see a result that the tester didn't really want to see/present does
> suggest good things about the tester's honesty.  There was incentive
> to hide unfavorable results.
>
> What it still leaves quite open is just what happens when the OS has
> more than one disk drive or CPU to play with.  It's not clear what
> happens in such cases, whether FreeBSD would catch up, or be "left
> further in the dust."  The traditional "propaganda" has been that
> there are all sorts of reasons to expect PostgreSQL on FreeBSD to run
> a bit faster than on Linux; it is a bit unexpected for the opposite to
> seem true.

AFAIK *BSD better in the handling of big loads - maybe when multiple
concurrent tests run against a linux and a bsd box, we see better result.
Or not.

-- 
Tomka Gergely
"S most - vajon barbárok nélkül mi lesz velünk?
Ők mégiscsak megoldás voltak valahogy..."


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