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Date:      Mon, 30 Nov 2009 08:47:04 -0500
From:      Bill Moran <wmoran@potentialtech.com>
To:        freebsd-questions@freebsd.org, freebsd-stable@freebsd.org
Subject:   Re: Phoronix Benchmarks: Waht's wrong with FreeBSD 8.0?
Message-ID:  <20091130084704.2893cc85.wmoran@potentialtech.com>
In-Reply-To: <hf0h0p$lm4$1@ger.gmane.org>
References:  <4B13869D.1080907@zedat.fu-berlin.de> <0D3A9408-84A8-4C74-A318-F580B41FC1A6@exscape.org> <hf0h0p$lm4$1@ger.gmane.org>

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In response to Ivan Voras <ivoras@freebsd.org>:

> Thomas Backman wrote:
> > On Nov 30, 2009, at 9:47 AM, O. Hartmann wrote:
> > 
> >> I'm just wondering what's wrong with FreeBSD 8.0/amd64 when I read the Benchmarks on Phoronix.org's website. Especially FreeBSD's threaded I/O shows in contrast to all claims that have been to be improoved the opposite.
> > Corrected link: http://www.phoronix.com/scan.php?page=article&item=freebsd8_benchmarks&num=1
> > 
> > And yeah, quite honestly: disk scheduling in FreeBSD appears to suck... The only reason I'm not switching from Linux. :(

"All operating systems were left with their default options during the
installation process..."

It's common knowledge that the default value for vfs.read_max is non-
optimal for most hardware and that significant performance improvements
can be made in most cases by raising it.

While it would be nice if FreeBSD shipped with a more performant default
setting, it would also be nice if mindless benchmark drones would quit
assuming that every system ships pre-configured to perform optimally in
their benchmarks.

-- 
Bill Moran
http://www.potentialtech.com
http://people.collaborativefusion.com/~wmoran/



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