Date: Thu, 17 Oct 1996 17:00:06 -0400 (EDT) From: "Marc G. Fournier" <scrappy@ki.net> To: "Michael L. VanLoon -- HeadCandy.com" <michaelv@MindBender.serv.net> Cc: Michael Hancock <michaelh@cet.co.jp>, Jaye Mathisen <mrcpu@cdsnet.net>, current@freebsd.org Subject: Re: Iozone: local vs nfs drives Message-ID: <Pine.NEB.3.95.961017165857.27000A-100000@spirit.ki.net> In-Reply-To: <199610172054.NAA12845@MindBender.serv.net>
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On Thu, 17 Oct 1996, Michael L. VanLoon -- HeadCandy.com wrote: > > >On Fri, 18 Oct 1996, Michael Hancock wrote: > > >> On Thu, 17 Oct 1996, Jaye Mathisen wrote: > > >> > I would be interested in the answer to this, I see the same behaviour on > >> > a 2940/Quantum Atlas combo, although the numbers are quite a bit higher. > >> > In any case, given specifically the issue of news, where most activity is > >> > reading, this is disturbing. > > >> IOZONE isn't the benchmark to use to determine news performance. > > > Actually, both my IOZONE tests were done on "non-news" drives... > >they were done on /usr, on relatively dead systems.. > > Did you have tagged-command queuing enabled? According to my tests, > that will make a BIG difference, if you have decent drives. > I don't know...I haven't enabled it manually, so I would assume not. How do I check/enable it? Any caveats I should worry about? Marc G. Fournier scrappy@ki.net Systems Administrator @ ki.net scrappy@freebsd.org
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