Date: Wed, 15 Sep 2010 16:52:06 -0400 From: jhell <jhell@DataIX.net> To: Steven Hartland <killing@multiplay.co.uk> Cc: freebsd-fs@freebsd.org, Pawel Jakub Dawidek <pjd@freebsd.org>, Andriy Gapon <avg@freebsd.org> Subject: Re: zfs very poor performance compared to ufs due to lack of cache? Message-ID: <4C9131F6.10807@DataIX.net> In-Reply-To: <8E233260F0334BC58B2C07F383939F8E@multiplay.co.uk> References: <20100908084855.GF2465@deviant.kiev.zoral.com.ua> <4C874F00.3050605@freebsd.org> <A6D7E134B24F42E395C30A375A6B50AF@multiplay.co.uk> <4C8D087B.5040404@freebsd.org> <03537796FAB54E02959E2D64FC83004F@multiplay.co.uk> <4C8D280F.3040803@freebsd.org> <3FBF66BF11AA4CBBA6124CA435A4A31B@multiplay.co.uk> <4C8E4212.30000@freebsd.org> <B98EBECBD399417CA5390C20627384B1@multiplay.co.uk> <D79F15FEB5794315BD8668E40B414BF0@multiplay.co.uk> <20100915104635.GA59871@icarus.home.lan> <8E233260F0334BC58B2C07F383939F8E@multiplay.co.uk>
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On 09/15/2010 06:54, Steven Hartland wrote: > ----- Original Message ----- From: "Jeremy Chadwick" > <freebsd@jdc.parodius.com> >> Looks like Andriy just committed something to HEAD/CURRENT which might >> address this: >> http://www.freebsd.org/cgi/query-pr.cgi?pr=kern/141305 > > Already running that as part of the patches unfortunately, it doesn't seem > to have any effect. > Is it ? vm_page_set_validclean(m, off, bytes); I recall you saying that you added this from earlier in the thread. could be wrong though but what Andriy committed was the following. or ? vm_page_set_valid(m, off, bytes); Regards, -- jhell,v
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