From owner-freebsd-net@FreeBSD.ORG Mon Mar 11 17:36:57 2013 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.freebsd.org (mx1.FreeBSD.org [8.8.178.115]) by hub.freebsd.org (Postfix) with ESMTP id EB8DAEF8 for ; Mon, 11 Mar 2013 17:36:57 +0000 (UTC) (envelope-from jfvogel@gmail.com) Received: from mail-ve0-f171.google.com (mail-ve0-f171.google.com [209.85.128.171]) by mx1.freebsd.org (Postfix) with ESMTP id AF61328A for ; Mon, 11 Mar 2013 17:36:57 +0000 (UTC) Received: by mail-ve0-f171.google.com with SMTP id b10so2924339vea.30 for ; Mon, 11 Mar 2013 10:36:51 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:x-received:in-reply-to:references:date:message-id :subject:from:to:cc:content-type; bh=qoKs05O2a9Nmas0iaSlsk2rv1v9d2qg4mf2wVTpug9Q=; b=zsdlPP01JfWFkfgkBpdWBsXZnjloo5CA4PbcaJzSjRjBtTMqqMRuvAbcmluQkhGmPN bhIIXiUhg3SdA2Za22Yj3RNMjz3cH9bF3ijF03Diwi+AD4+a4gCVgnRYWY3Fz7JP9Cj/ wjM0kVR2qtwWEWy0JjPU3q4SkVGxRF3v1RjppCF0M5C22JchAltIlgXggdbKerhuiLXd hnJA7Xpo5Xiedb3UkFcQcXx0kj4UOxXixyXlbwrgRK0jzdoB55c5sBsHttEvwBVNnUzv FWt8dGcbRoCpF0hTcCjq2ToGAk9922KGjSBmMkZT2jp+vfNYYLCpIWqrCeHLBhbLSNzx NIpA== MIME-Version: 1.0 X-Received: by 10.58.214.231 with SMTP id od7mr5356611vec.44.1363023411087; Mon, 11 Mar 2013 10:36:51 -0700 (PDT) Received: by 10.220.191.132 with HTTP; Mon, 11 Mar 2013 10:36:50 -0700 (PDT) In-Reply-To: <201303111709.r2BH999Z073667@hergotha.csail.mit.edu> References: <1154859394.3748712.1362959165419.JavaMail.root@erie.cs.uoguelph.ca> <513DB550.5010004@freebsd.org> <201303111605.r2BG5I6v073052@hergotha.csail.mit.edu> <201303111709.r2BH999Z073667@hergotha.csail.mit.edu> Date: Mon, 11 Mar 2013 10:36:50 -0700 Message-ID: Subject: Re: Limits on jumbo mbuf cluster allocation From: Jack Vogel To: Garrett Wollman Content-Type: text/plain; charset=ISO-8859-1 X-Content-Filtered-By: Mailman/MimeDel 2.1.14 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 17:36:58 -0000 Then you are using the default ring size, which is 2K descriptors, you might try reducing to 1K and see how that works. Jack On Mon, Mar 11, 2013 at 10:09 AM, Garrett Wollman < wollman@hergotha.csail.mit.edu> wrote: > 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 > >