Date: Thu, 24 Apr 2008 08:09:13 +1000 From: Antony Mawer <fbsd-current@mawer.org> To: Robert Watson <rwatson@FreeBSD.org> Cc: freebsd-current@freebsd.org, Dmitriy Kirhlarov <dimma@higis.ru> Subject: Re: Http Accept filters (accf_http) Message-ID: <480FB389.2030102@mawer.org> In-Reply-To: <20080423154626.F64388@fledge.watson.org> References: <8481.1208889581@critter.freebsd.dk> <480E3E66.3000303@samsco.org> <fuli49$pa3$1@ger.gmane.org> <480E589C.8010108@delphij.net> <480EE8B2.2020907@higis.ru> <20080423154626.F64388@fledge.watson.org>
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Robert Watson wrote: ... > I'm aware of a few problems relating to accept filters, and "fixing" > them has been on my todo list for several years. Unfortunately, other > things keep getting ahead of that in the todo list. One known issue is > that accept filters aren't entirely happy with the new multi-processor > locking world order. Hi Robert, Does this mean that on a multi-core system, one is better avoiding accept filters and accepting a small latency hit in return for better SMP scalability/reduced lock contention? --Antony
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