Date: Mon, 22 Nov 2004 06:17:42 -0800 From: Luigi Rizzo <rizzo@icir.org> To: =?iso-8859-1?Q?Dag-Erling_Sm=F8rgrav?= <des@des.no> Cc: arch@freebsd.org Subject: Re: anticipatory I/O scheduling Message-ID: <20041122061742.A72907@xorpc.icir.org> In-Reply-To: <xzpu0rigefw.fsf@dwp.des.no>; from des@des.no on Mon, Nov 22, 2004 at 03:12:51PM %2B0100 References: <xzpu0rigefw.fsf@dwp.des.no>
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On Mon, Nov 22, 2004 at 03:12:51PM +0100, Dag-Erling Smørgrav wrote: > I just ran across this paper and started wondering why I'd never heard > of it before: > > <URL:http://www.cs.rice.edu/~ssiyer/r/antsched/>; > > To summarize, the authors rewrote the I/O scheduling algorithm in > FreeBSD 4.3 and got massive performance improvements for Apache, and > smaller but noticeable improvements for AFS and TPC-B. > > Has anyone looked into this? yes.... but what exactly do you want to know :) cheers luigi
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