Date: Mon, 25 Oct 2004 21:12:27 +0100 From: Thomas Sparrevohn <Thomas.Sparrevohn@btinternet.com> To: freebsd-current@freebsd.org Subject: Re: FreeBSD 5.3b7and poor ata performance (or so it seemed) Message-ID: <200410252112.27436.Thomas.Sparrevohn@btinternet.com> In-Reply-To: <417D58B6.5030509@freebsd.org> References: <14479.1098695558@critter.freebsd.dk> <77F3FD4D-26BE-11D9-9A2F-003065ABFD92@mac.com> <417D58B6.5030509@freebsd.org>
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On Monday 25 October 2004 20:49, Scott Long wrote: In this case the subject are very pooly reflects what the actual issues it should most likely have read "help: I am having very poor performance in the ATA subsystem (any nobody else seems to)" I am still pussled about why excatly the performance is a it is with this setup - but like eveybody else where english is not our native tongue it some time comes across a bit hasher than it should - The problem seen by Fandino are weird - any I am sure that FreeBSD not judged by it > > Well, RAID-0 is a special case =-) That said, putting discrete RAID > classes into the GEOM layer is something of a new adventure, so I'm > not surprised to hear about performance problems, even in RAID-0. > There might be extra data copies or path latencies that weren't planned > for or expected. It's definitely something to look at. But it's also > a very new subsystem, so it would be unfair to judge FreeBSD performance > with it. > > Scott > _______________________________________________ > freebsd-current@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-current > To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org"
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