Date: Tue, 25 Jul 2000 19:59:26 -0300 (ADT) From: The Hermit Hacker <scrappy@hub.org> To: Mike Smith <msmith@freebsd.org> Cc: freebsd-scsi@freebsd.org Subject: Re: 4.1RC read/write speeds ... Message-ID: <Pine.BSF.4.21.0007251958540.3502-100000@thelab.hub.org> In-Reply-To: <200007251948.MAA31740@mass.osd.bsdi.com>
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On Tue, 25 Jul 2000, Mike Smith wrote: > > > > Does this look right for a Dual-PIII, no load other then the operating > > system, idle disk *only* being used for the tests ... just seems low to > > me: > > > > > > Writing the 232 Megabyte file, 'iozone.tmp'...14.273438 seconds > > Reading the file...3.328125 seconds > > > > IOZONE performance measurements: > > 17043521 bytes/second for writing the file > > 73095100 bytes/second for reading the file > > The test is meaningless; you probably have a good portion of the 232MB > file in the buffer cache. 17MB/sec is far too fast for one of these > lame-duck WD SCSI disks, let alone 73MB/sec. d'oh ... I wasn't reading it right :( I was reading 1.7/7.3 ... To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-scsi" in the body of the message
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