Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Thu, 8 Aug 2002 14:42:14 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Thu, 8 Aug 2002 14:41:24 -0400 Received: from perninha.conectiva.com.br ([200.250.58.156]:53258 "HELO perninha.conectiva.com.br") by vger.kernel.org with SMTP id ; Thu, 8 Aug 2002 14:40:33 -0400 Date: Thu, 8 Aug 2002 15:44:06 -0300 (BRT) From: Rik van Riel X-X-Sender: riel@duckman.distro.conectiva To: Alan Cox Cc: Ingo Oeser , Andrew Morton , Anton Blanchard , William Lee Irwin III , , Subject: Re: fix CONFIG_HIGHPTE In-Reply-To: <1028836757.28883.73.camel@irongate.swansea.linux.org.uk> Message-ID: X-spambait: aardvark@kernelnewbies.org X-spammeplease: aardvark@nl.linux.org MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1323 Lines: 36 On 8 Aug 2002, Alan Cox wrote: > On Thu, 2002-08-08 at 15:51, Rik van Riel wrote: > > Linux isn't yet up to having 500 simultaneous interactive > > users, in fact I don't think it has ever been up to this > > situation. > > It works suprisingly well. I know people who are doing it. It does not > work when those users are all running arbitarly large jobs. In most > conventional (non student compile) type setups 500 is fine. The O(1) > scheduler and highio are pretty essential as is a real I/O subsystem. Agreed, it'll work when things are well behaved and the system isn't overloaded. However, having been a curious student myself I'm pretty sure student workloads aren't always well behaved and do have a tendency to overload the system once in a while. I'm not sure Linux will be able to deal with the "I wonder what happens if I ..." type students ;) regards, Rik -- http://www.linuxsymposium.org/2002/ "You're one of those condescending OLS attendants" "Here's a nickle kid. Go buy yourself a real t-shirt" http://www.surriel.com/ http://distro.conectiva.com/ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/