From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261421AbUE0Fip (ORCPT ); Thu, 27 May 2004 01:38:45 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261425AbUE0Fip (ORCPT ); Thu, 27 May 2004 01:38:45 -0400 Received: from smtp104.mail.sc5.yahoo.com ([66.163.169.223]:30309 "HELO smtp104.mail.sc5.yahoo.com") by vger.kernel.org with SMTP id S261421AbUE0Fim (ORCPT ); Thu, 27 May 2004 01:38:42 -0400 Message-ID: <40B57EDF.8060405@yahoo.com.au> Date: Thu, 27 May 2004 15:38:39 +1000 From: Nick Piggin User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.6) Gecko/20040401 Debian/1.6-4 X-Accept-Language: en MIME-Version: 1.0 To: Matthias Schniedermeyer CC: linux-kernel@vger.kernel.org Subject: Re: why swap at all? References: <40B4590A.1090006@yahoo.com.au> <200405260934.i4Q9YblP000762@81-2-122-30.bradfords.org.uk> <40B467DA.4070600@yahoo.com.au> <20040526101001.GA13426@citd.de> <40B47278.6090309@yahoo.com.au> <20040526105837.GA13810@citd.de> <40B47D4C.6050206@yahoo.com.au> <20040526122705.GA14320@citd.de> In-Reply-To: <20040526122705.GA14320@citd.de> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Matthias Schniedermeyer wrote: > On Wed, May 26, 2004 at 09:19:40PM +1000, Nick Piggin wrote: >>OK, this is obviously bad. Do you get this behaviour with 2.6.5 >>or 2.6.6? If so, can you strace the program while it is writing >>an ISO? (just send 20 lines or so). Or tell me what program you >>use to create them and how to create one? > > > program: mkisofs > kernel: 2.4.4-2.4.25, 2.6.4-2.6.6 > (To say it in other words, i never (seen/felt) a difference in 3 years. > So if there is a difference i just didn't realized there is one) > The current kernel is 2.6.5 as 2.6.6 sometimes just "hangs" > > Just throw together some lage files (My files are all >= 350MB, the > "typical" case is about 4-5files with 800-1000MB each) and then > mkisofs -J -r -o > I store the image files on another HDD to get best possibel throughput. > My HDDs (these are "normal" IDE-HDDs) are capable of delivering about > 35-40MB/s, the last time i measured i got about 70MB/s aggregated > throughput while creating an image-file. > Thanks. I'll see if I can reproduce.