From owner-freebsd-net@FreeBSD.ORG Mon Mar 11 17:09:11 2013 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by hub.freebsd.org (Postfix) with ESMTP id 12D20FC6 for ; Mon, 11 Mar 2013 17:09:11 +0000 (UTC) (envelope-from wollman@hergotha.csail.mit.edu) Received: from hergotha.csail.mit.edu (wollman-1-pt.tunnel.tserv4.nyc4.ipv6.he.net [IPv6:2001:470:1f06:ccb::2]) by mx1.freebsd.org (Postfix) with ESMTP id 4EEA8116 for ; Mon, 11 Mar 2013 17:09:10 +0000 (UTC) Received: from hergotha.csail.mit.edu (localhost [127.0.0.1]) by hergotha.csail.mit.edu (8.14.5/8.14.5) with ESMTP id r2BH99jq073668; Mon, 11 Mar 2013 13:09:09 -0400 (EDT) (envelope-from wollman@hergotha.csail.mit.edu) Received: (from wollman@localhost) by hergotha.csail.mit.edu (8.14.5/8.14.4/Submit) id r2BH999Z073667; Mon, 11 Mar 2013 13:09:09 -0400 (EDT) (envelope-from wollman) Date: Mon, 11 Mar 2013 13:09:09 -0400 (EDT) From: Garrett Wollman Message-Id: <201303111709.r2BH999Z073667@hergotha.csail.mit.edu> To: jfvogel@gmail.com Subject: Re: Limits on jumbo mbuf cluster allocation In-Reply-To: References: <1154859394.3748712.1362959165419.JavaMail.root@erie.cs.uoguelph.ca> <513DB550.5010004@freebsd.org> <201303111605.r2BG5I6v073052@hergotha.csail.mit.edu> Organization: none X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.2.7 (hergotha.csail.mit.edu [127.0.0.1]); Mon, 11 Mar 2013 13:09:09 -0400 (EDT) X-Spam-Status: No, score=-1.0 required=5.0 tests=ALL_TRUSTED autolearn=disabled version=3.3.2 X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on hergotha.csail.mit.edu Cc: freebsd-net@freebsd.org X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 11 Mar 2013 17:09:11 -0000 In article , jfvogel@gmail.com writes: >How large are you configuring your rings Garrett? Maybe if you tried >reducing them? I'm not configuring them at all. (Well, hmmm, I did limit the number of queues to 6 (per interface, it appears, so that's 12 in all).) There's a limit to how much experimentation my users will tolerate on a production file server, so I can't realistically try anything out until next weekend at the very earliest. I'm bringing up a second server soon, but it won't have anything remotely like a real load on it for some time. -GAWollman