From owner-freebsd-stable Wed Mar 22 15:44:38 2000 Delivered-To: freebsd-stable@freebsd.org Received: from trinity.skynet.be (trinity.skynet.be [195.238.2.38]) by hub.freebsd.org (Postfix) with ESMTP id 2CCE737B5CC for ; Wed, 22 Mar 2000 15:44:30 -0800 (PST) (envelope-from blk@skynet.be) Received: from [194.78.238.239] (dialup1071.brussels2.skynet.be [194.78.238.239]) by trinity.skynet.be (Postfix) with ESMTP id D985F180D5; Thu, 23 Mar 2000 00:44:21 +0100 (MET) Mime-Version: 1.0 X-Sender: blk@pop.skynet.be Message-Id: In-Reply-To: References: Date: Thu, 23 Mar 2000 00:20:32 +0100 To: Matt Heckaman , Christian Jachmann From: Brad Knowles Subject: Re: 3.4-Stable crashes..(heavy diskio+networking) Cc: "stable@freebsd.org" Content-Type: text/plain; charset="us-ascii" ; format="flowed" Sender: owner-freebsd-stable@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG At 5:32 PM -0500 2000/3/22, Matt Heckaman wrote: > This may sound silly, but have you looked at the value for your > NMBCLUSTERS? FreeBSD panics when it runs out of them, as can happen in a > high network load situation. I scale mine based on the bandwidth and > assume a worst case scenario of a denial of service attack. I've found > 16,384 good for T1+, moving to double that for 10Mbit, as for beyond that, > I've never worked with anything that high. At the bottom of his kernel config, he's got: options NMBCLUSTERS=26112 This would seem to beat your 16384 (which also happens to be the value I use in our news peering server running 3.2-RELEASE, although we're running Diablo and not INN and we're not doing the volumes of traffic he is). -- These are my opinions -- not to be taken as official Skynet policy ====================================================================== Brad Knowles, || Belgacom Skynet SA/NV Systems Architect, Mail/News/FTP/Proxy Admin || Rue Colonel Bourg, 124 Phone/Fax: +32-2-706.13.11/12.49 || B-1140 Brussels http://www.skynet.be || Belgium To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message