From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from lists.gentoo.org ([140.105.134.102] helo=robin.gentoo.org) by nuthatch.gentoo.org with esmtp (Exim 4.62) (envelope-from ) id 1HEpLP-0001Zq-Dz for garchives@archives.gentoo.org; Wed, 07 Feb 2007 16:08:27 +0000 Received: from robin.gentoo.org (localhost [127.0.0.1]) by robin.gentoo.org (8.14.0/8.14.0) with SMTP id l17G7DdG012832; Wed, 7 Feb 2007 16:07:13 GMT Received: from rwcrmhc12.comcast.net (rwcrmhc12.comcast.net [204.127.192.82]) by robin.gentoo.org (8.14.0/8.14.0) with ESMTP id l17G0eSw002715 for ; Wed, 7 Feb 2007 16:00:41 GMT Received: from [192.168.0.101] (c-68-85-77-239.hsd1.fl.comcast.net[68.85.77.239]) by comcast.net (rwcrmhc12) with ESMTP id <20070207160039m1200f0a1fe>; Wed, 7 Feb 2007 16:00:39 +0000 Message-ID: <45C9F7A1.10806@comcast.net> Date: Wed, 07 Feb 2007 11:00:33 -0500 From: Mike User-Agent: Thunderbird 1.5.0.9 (X11/20061229) Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-user@gentoo.org Reply-to: gentoo-user@lists.gentoo.org MIME-Version: 1.0 To: gentoo-user@lists.gentoo.org Subject: Re: [gentoo-user] Performance problem at writing big files and Multitasking References: <7LFgI-6qK-17@gated-at.bofh.it> <7LFqt-6Eo-27@gated-at.bofh.it> <7LUIK-4Qn-3@gated-at.bofh.it> In-Reply-To: <7LUIK-4Qn-3@gated-at.bofh.it> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Archives-Salt: 2419fbd5-06bf-4b2e-989e-820707cf8455 X-Archives-Hash: 80c0c6270aa71f1b321120ea4c0c56c1 Daniel Pielmeier wrote: >> What I/O scheduler are you using? Did you try to experiment with the >> deadline or the cfq I/O schedulers? >> If you have them enabled in your kernel config, read >> Documentation/block/switching-sched.txt and see if things get better >> after changing the I/O scheduler for your hard disk. >> Of course, your problem might be caused by something else altogether. > > No other suggestions? The hdparm optimizations, the CFQ scheduler and maybe low latency desktop in the kernel are the best way to make your desktop useable under heavy disk usage.These are my hdparm settings: /dev/hda: multcount = 16 (on) IO_support = 1 (32-bit) unmaskirq = 1 (on) using_dma = 1 (on) keepsettings = 0 (off) readonly = 0 (off) readahead = 256 (on) geometry = 26310/16/63, sectors = 26520480, start = 0 cat /sys/block/hda/queue/scheduler noop [cfq] Linux c-68-85-77-239 2.6.20-gentoo #4 PREEMPT Tue Feb 6 17:03:56 EST 2007 i686 AMD Athlon(tm) XP 2000+ AuthenticAMD GNU/Linux -- gentoo-user@gentoo.org mailing list