From owner-svn-src-head@FreeBSD.ORG Mon Apr 20 15:46:46 2009 Return-Path: Delivered-To: svn-src-head@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 77BB51065672; Mon, 20 Apr 2009 15:46:46 +0000 (UTC) (envelope-from mat.macy@gmail.com) Received: from yx-out-2324.google.com (yx-out-2324.google.com [74.125.44.29]) by mx1.freebsd.org (Postfix) with ESMTP id BE8E88FC17; Mon, 20 Apr 2009 15:46:45 +0000 (UTC) (envelope-from mat.macy@gmail.com) Received: by yx-out-2324.google.com with SMTP id 8so135372yxb.13 for ; Mon, 20 Apr 2009 08:46:45 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:sender:received:in-reply-to :references:date:x-google-sender-auth:message-id:subject:from:to:cc :content-type:content-transfer-encoding; bh=u2/eJLTg4H38gk5FZvG2qqE7QRM7GPBTEkjKX/P3l0I=; b=xtATWTng9Mde0nc8Pbftx5nXDQ4rDKTjJMh3V0lCM5mmI5IogOOLABjpaa3tA8RbRC Z3cjCDo6vsT+lmVTcdKx4XcZ+42Ha+7V43qwHsM30dzbUmXMoZY9iGch5YL31PgeBepi oAR9n3Y1Wb3tVfxqKqc5F4PjdQdWnhzimPD/A= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:sender:in-reply-to:references:date :x-google-sender-auth:message-id:subject:from:to:cc:content-type :content-transfer-encoding; b=BE9+7jm+D+gHO88BE4OELjs8BfXyIiVlRyXQWQIyHLUeeZQkxKKE3EdWPN5GNPZCTd Qnt/INv5pjTzGIEH99NnlfZZwWdnG7MuAe/GiJ67irpiOZI+K6ugr/j0nqi56MA/W9/4 9QtSc+oj58CnUdFT5dMBzq6o8m60ieKJNfbDQ= MIME-Version: 1.0 Sender: mat.macy@gmail.com Received: by 10.100.10.15 with SMTP id 15mr7739899anj.107.1240242402463; Mon, 20 Apr 2009 08:46:42 -0700 (PDT) In-Reply-To: <200904201004.19695.zec@freebsd.org> References: <200904190444.n3J4i5wF098362@svn.freebsd.org> <200904200929.57914.zec@freebsd.org> <3c1674c90904200047s551a93a3wec97607b8212b0d@mail.gmail.com> <200904201004.19695.zec@freebsd.org> Date: Mon, 20 Apr 2009 08:46:42 -0700 X-Google-Sender-Auth: 3c6e3ad08341061f Message-ID: <3c1674c90904200846x717b8bd9n518f8144a2e4fdcc@mail.gmail.com> From: Kip Macy To: Marko Zec Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: svn-src-head@freebsd.org, Robert Watson , svn-src-all@freebsd.org, src-committers@freebsd.org, Andre Oppermann Subject: Re: svn commit: r191259 - head/sys/netinet X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 20 Apr 2009 15:46:46 -0000 > Hmm, such a scheme raises suspicion that in your particular case very few flow > cache lookups could be serviced from CPU caches. 16MB + 80MB sounds to be in > range with memory footprint of a DFZ table stored in our normal radix tree - > so where's the benefit of the flow cache? > Well its a contrived example, you're not going to have any locality in either case. In a more common CDN scenario you don't have more than 20k clients, but FreeBSD could still not be used as an edge router because it could not handle forwarding 20Gbps. -Kip