From owner-freebsd-net@FreeBSD.ORG Wed Dec 19 15:48:58 2007 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 382E316A419; Wed, 19 Dec 2007 15:48:58 +0000 (UTC) (envelope-from dg@dglawrence.com) Received: from dglawrence.com (static-72-90-113-2.ptldor.fios.verizon.net [72.90.113.2]) by mx1.freebsd.org (Postfix) with ESMTP id 18B8213C46E; Wed, 19 Dec 2007 15:48:57 +0000 (UTC) (envelope-from dg@dglawrence.com) Received: from tnn.dglawrence.com (localhost [127.0.0.1]) by dglawrence.com (8.14.1/8.14.1) with ESMTP id lBJFmuac097907; Wed, 19 Dec 2007 07:48:56 -0800 (PST) (envelope-from dg@dglawrence.com) Received: (from dg@localhost) by tnn.dglawrence.com (8.14.1/8.14.1/Submit) id lBJFmuvg097900; Wed, 19 Dec 2007 07:48:56 -0800 (PST) (envelope-from dg@dglawrence.com) X-Authentication-Warning: tnn.dglawrence.com: dg set sender to dg@dglawrence.com using -f Date: Wed, 19 Dec 2007 07:48:56 -0800 From: David G Lawrence To: Bruce Evans Message-ID: <20071219154856.GC25053@tnn.dglawrence.com> References: <20071217102433.GQ25053@tnn.dglawrence.com> <20071220011626.U928@besplex.bde.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20071220011626.U928@besplex.bde.org> X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-3.0 (dglawrence.com [127.0.0.1]); Wed, 19 Dec 2007 07:48:56 -0800 (PST) Cc: freebsd-net@freebsd.org, freebsd-stable@freebsd.org Subject: Re: Packet loss every 30.999 seconds X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 19 Dec 2007 15:48:58 -0000 > Try it with "find / -type f >/dev/null" to duplicate the problem almost > instantly. FreeBSD used to have some code that would cause vnodes with no cached pages to be recycled quickly (which would have made a simple find ineffective without reading the files at least a little bit). I guess that got removed when the size of the vnode pool was dramatically increased. -DG David G. Lawrence President Download Technologies, Inc. - http://www.downloadtech.com - (866) 399 8500 The FreeBSD Project - http://www.freebsd.org Pave the road of life with opportunities.