Date: Wed, 13 May 2009 10:15:33 -0400 (EDT) From: Andy Dills <andy@xecu.net> To: Tijl Coosemans <tijl@ulyssis.org> Cc: freebsd-questions@freebsd.org Subject: Re: Extreme filesystem performance decrese going from FreeBSD4 to FreeBSD7 Message-ID: <20090513101509.Y64283@shell.xecu.net> In-Reply-To: <200905131605.04534.tijl@ulyssis.org> References: <20090512135226.N64283@shell.xecu.net> <200905131605.04534.tijl@ulyssis.org>
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On Wed, 13 May 2009, Tijl Coosemans wrote: > I believe there was a performance regression in 7.1 for SCSI disks. I > don't know if the amr driver was affected but the issues should be > resolved in FreeBSD 7.2 so you might want to give that a try. http://www.nabble.com/HEADS-UP:-Major-CAM-performance-regression-td21994181.html Indeed, that appears to be the source of the issue. Thanks very much. Andy --- Andy Dills Xecunet, Inc. www.xecu.net 301-682-9972 ---
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