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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