Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261865AbUD3Xni (ORCPT ); Fri, 30 Apr 2004 19:43:38 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261867AbUD3Xni (ORCPT ); Fri, 30 Apr 2004 19:43:38 -0400 Received: from MAIL.13thfloor.at ([212.16.62.51]:33470 "EHLO mail.13thfloor.at") by vger.kernel.org with ESMTP id S261865AbUD3Xne (ORCPT ); Fri, 30 Apr 2004 19:43:34 -0400 Date: Sat, 1 May 2004 01:43:33 +0200 From: Herbert Poetzl To: Jeff Dike Cc: Shailabh , Rik van Riel , Christoph Hellwig , linux-kernel , ckrm-tech Subject: Re: [ckrm-tech] Re: [RFC] Revised CKRM release Message-ID: <20040430234332.GA10569@MAIL.13thfloor.at> Mail-Followup-To: Jeff Dike , Shailabh , Rik van Riel , Christoph Hellwig , linux-kernel , ckrm-tech References: <20040430174117.A13372@infradead.org> <4092AD60.1030809@watson.ibm.com> <200404302217.i3UMHdml004610@ccure.user-mode-linux.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200404302217.i3UMHdml004610@ccure.user-mode-linux.org> User-Agent: Mutt/1.4.1i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1623 Lines: 42 On Fri, Apr 30, 2004 at 06:17:39PM -0400, Jeff Dike wrote: > nagar@watson.ibm.com said: > > Jeff, do you have any numbers for UML overhead in 2.6 ? > > It obviously depends on the workload, but for "normal" things, like kernel > builds and web serving, it's generally in the 20-30% range. That can be > reduced, since I haven't spent too much time on tuning. I'm aiming for the > teens, and I don't think that'll be too hard. hmm, just wanted to mention that linux-vserver has around 0% overhead and often allows to improve performance due to resource sharing ... basically it's a soft partitioning concept based on 'Security Contexts' which allow to create many independant Virtual Private Servers (VPS), which act simultaneously on one box at full speed, sharing the available hardware resources. see http://linux-vserver.org for details ... best, Herbert PS: UML and Linux-VServer play together nicely ... > > Jeff > > ------------------------------------------------------- > This SF.Net email is sponsored by: Oracle 10g > Get certified on the hottest thing ever to hit the market... Oracle 10g. > Take an Oracle 10g class now, and we'll give you the exam FREE. > http://ads.osdn.com/?ad_id=3149&alloc_id=8166&op=click > _______________________________________________ > ckrm-tech mailing list > https://lists.sourceforge.net/lists/listinfo/ckrm-tech - 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/