From owner-freebsd-current@FreeBSD.ORG Thu May 12 02:32:21 2005 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 4664216A4CE for ; Thu, 12 May 2005 02:32:21 +0000 (GMT) Received: from mortis.over-yonder.net (adsl-222-87-60.jan.bellsouth.net [68.222.87.60]) by mx1.FreeBSD.org (Postfix) with ESMTP id 5F27E43D55 for ; Thu, 12 May 2005 02:32:20 +0000 (GMT) (envelope-from fullermd@over-yonder.net) Received: by mortis.over-yonder.net (Postfix, from userid 100) id C00A22102B; Wed, 11 May 2005 21:32:18 -0500 (CDT) Date: Wed, 11 May 2005 21:32:18 -0500 From: "Matthew D. Fuller" To: Pete French Message-ID: <20050512023218.GD2624@over-yonder.net> References: <4281B873.7020208@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Editor: vi X-OS: FreeBSD User-Agent: Mutt/1.5.9i-fullermd.2 cc: subhro.kar@gmail.com cc: spamrefuse@yahoo.com cc: freebsd-current@freebsd.org Subject: Re: xl(4) & polling X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 12 May 2005 02:32:21 -0000 On Wed, May 11, 2005 at 11:36:30AM +0100 I heard the voice of Pete French, and lo! it spake thus: > > 100 should be fine. 10 would be a bit too much overkill. > > I think you have this the wrong way round - the smaller this number > is the *less* often it will poll the device. Its in hertz remember. > So 10 is only polling ten times a second, whereas 100 is polling 100 > times a second. If you are getting dropped packets then *increase* > the number so that it polls more often. And, for that matter, HZ affects an awful lot of things; it's not just a knob for network polling. Setting it to 10 would probably have really unpleasant side effects. -- Matthew Fuller (MF4839) | fullermd@over-yonder.net Systems/Network Administrator | http://www.over-yonder.net/~fullermd/ On the Internet, nobody can hear you scream.