Date: Mon, 20 Mar 1995 08:47:44 -0800 (PST) From: "Rodney W. Grimes" <rgrimes@gndrsh.aac.dev.com> To: kuku@gilberto.physik.rwth-aachen.de (Christoph P. Kukulies) Cc: freebsd-current@freefall.cdrom.com Subject: Re: iozone read vs. write Message-ID: <199503201647.IAA27236@gndrsh.aac.dev.com> In-Reply-To: <199503201602.RAA02319@gilberto.physik.rwth-aachen.de> from "Christoph P. Kukulies" at Mar 20, 95 05:02:31 pm
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> > iozone 13 ... > > Writing the 13 Megabyte file, 'iozone.tmp'...15.085938 seconds > Reading the file...4.000000 seconds > > IOZONE performance measurements: > 903589 bytes/second for writing the file > 3407872 bytes/second for reading the file > > Does anone have an explanation why the number diverge to such an extent? > (System is a 32 MB 486DX2/66 EIDE 2 Quantum 540 system) I suspect a set of bad newfs parameters on this drive, can you send me (in private email, no need for the whole list to read it) the disklabel and the first 50 lines of dumpfs for the file system you are seing this on. -- Rod Grimes rgrimes@gndrsh.aac.dev.com Accurate Automation Company Custom computers for FreeBSD
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