Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760631AbXEQRu2 (ORCPT ); Thu, 17 May 2007 13:50:28 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1760282AbXEQRt5 (ORCPT ); Thu, 17 May 2007 13:49:57 -0400 Received: from kanga.kvack.org ([66.96.29.28]:57915 "EHLO kanga.kvack.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1760263AbXEQRtz (ORCPT ); Thu, 17 May 2007 13:49:55 -0400 Date: Thu, 17 May 2007 13:49:52 -0400 From: Benjamin LaHaise To: James Bottomley Cc: Satyam Sharma , Matthew Wilcox , Simon Arlott , Dave Jones , Linux Kernel Mailing List , linux-scsi@vger.kernel.org, kernel-packagers@vger.kernel.org, "Robert P. J. Day" Subject: Re: sysfs makes scaling suck Re: Asynchronous scsi scanning Message-ID: <20070517174952.GB30571@kvack.org> References: <1179153096.3703.23.camel@mulgrave.il.steeleye.com> <17841.simon.1179228389@5ec7c279.invalid> <20070515120228.GI10562@parisc-linux.org> <4649E03A.1090004@simon.arlott.org.uk> <20070515172905.GJ10562@parisc-linux.org> <20070517173238.GA30571@kvack.org> <1179423924.3785.30.camel@mulgrave.il.steeleye.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1179423924.3785.30.camel@mulgrave.il.steeleye.com> User-Agent: Mutt/1.4.1i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1127 Lines: 25 On Thu, May 17, 2007 at 01:45:24PM -0400, James Bottomley wrote: > But also, the sysfs with over 4,000 (and higher) devices was > specifically checked by OSDL (actually as part of the CGL testing) some > of the Manoj changes (for unpinning entries etc) were needed to get it > to function, but as of now, I believe an enterprise scaling test works > reasonably well for it ... there certainly wasn't any evidence of it > dying horribly in the tests. i386 exhausts lowmem very quickly. SCSI is in a bit better shape than network devices as the multiplier is only around 4 compared to 16 for network devices. My point stands, though. Forcing every new feature to go in via sysfs is not the right thing to do. Some people don't/can't use it, please remember them. -ben -- "Time is of no importance, Mr. President, only life is important." Don't Email: . - 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/