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In-Reply-To: <201006050236.17697.bruce@cran.org.uk>
References: <4C09932B.6040808@wooh.hu> <201006050236.17697.bruce@cran.org.uk>
Date: Sat, 5 Jun 2010 12:50:15 +0200
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From: Stefan Miklosovic <miklosovic.freebsd@gmail.com>
To: Bruce Cran <bruce@cran.org.uk>
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Cc: freebsd-hackers@freebsd.org, freebsd-questions@freebsd.org,
	Adam PAPAI <wooh@wooh.hu>
Subject: Re: sysbench / fileio - Linux vs. FreeBSD
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> /var : ufs with softupdates
> /usr/obj : zfs with checksums disabled
> /usr/src : zfs with compression enabled
> /home   : zfs with compression disabled and checksums enabled
>
> I ran a test with a blocksize of 8KB and 16 threads.
>
> /var       : 25.2MB/s
> /usr/obj : 64.8MB/s
> /usr/src : 386.3MB/s
> /home   : 60.3MB/s

Do I understand it well? It seems that zfs with compression enabled on
/usr/src with 8KB block size and 16 threads performs 386.3MB/s which
is about 6 times better than debian5? I am thinking about this image
http://tech-blog.wooh.hu/~wooh/debian_vs_freebsd_io_16_seqwr.png

what is your system specs?