Date: Thu, 25 Sep 1997 00:13:00 +0000 (GMT) From: Terry Lambert <tlambert@primenet.com> To: se@FreeBSD.ORG (Stefan Esser) Cc: tlambert@primenet.com, dyson@FreeBSD.ORG, syssgm@dtir.qld.gov.au, freebsd-current@FreeBSD.ORG Subject: Re: New timeout capability (was Re: cvs commit:....) Message-ID: <199709250013.RAA01816@usr03.primenet.com> In-Reply-To: <19970924160022.50021@mi.uni-koeln.de> from "Stefan Esser" at Sep 24, 97 04:00:22 pm
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> > > I think that 4K performs pretty darned well anyway though. In the > > > real world, I wouldn't think that one would see much of a performance > > > difference between 4K and 16K. > > > > For 8k, there used to be about a 40% improvement over 4k for iozone; I > > haven't really tried this for about 5 moths now, though. > > Hmmm, did you measure accesses to the > char device, block device, or a file ??? What? Huh? File... nothing else makes sense considering it's an FS blcok size, and the other two aren't FS-based accesses. 8-). > I'd be very surprised, if your IOZONE > results were different by 40% for file > accesses (were clustering helps). Well, they were. Like I said, it was about 5 months ago. I have the results squirrelled away somewhere, and could find them if I absolutely had to (it would probably take using my tap drive, though 8-(). Terry Lambert terry@lambert.org --- Any opinions in this posting are my own and not those of my present or previous employers.
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