Date: Thu, 29 Mar 2012 06:51:17 -0400 From: grarpamp <grarpamp@gmail.com> To: freebsd-fs@freebsd.org Subject: Re; ZFS Performance FreeBSD 9.0 vs. Openindiana Message-ID: <CAD2Ti28BXavSFgrNXHMr7XUEc6oQD-bBGbTkP0KcLoyQzjN24A@mail.gmail.com>
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Knowing of no better... I find Iozone quite nice.
However... I would first resolve these differences in
the test methodology before trying to compare
anything 74 revisions apart... and perhaps the
address width as well.
Version $Revision: 3.323 $
Compiled for 32 bit mode.
Build: Solaris10cc-64
File size set to 4194304 KB
Version $Revision: 3.397 $
Compiled for 64 bit mode.
Build: freebsd
File size set to 4194304 KB
Then try to see where the average 45% speedup is occuring.
> to run not only in cache
> Processor cache size set to 1024 Kbytes.
128k could very well fit in a cache somewhere.
Such as say, the one above.
As shown on the iozone site, I'd try graphing the full range
of record sizes as a first baseline comparison.
And poke around the sysctls to see how the zfs parameters
match up.
> -c Include close() in the timing calculations. This is useful only
> if you suspect that close() is broken in the operating system
> currently under test.
Really, you do?
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