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 4.60) (envelope-from ) id 1FyIFk-0004ZN-Nn for garchives@archives.gentoo.org; Thu, 06 Jul 2006 01:02:01 +0000 Received: from robin.gentoo.org (localhost [127.0.0.1]) by robin.gentoo.org (8.13.7/8.13.6) with SMTP id k660xBC6020766; Thu, 6 Jul 2006 00:59:11 GMT Received: from ilievnet.com ([84.21.204.200]) by robin.gentoo.org (8.13.7/8.13.6) with ESMTP id k660jsnH006244 for ; Thu, 6 Jul 2006 00:45:54 GMT Received: (qmail 2915 invoked from network); 6 Jul 2006 03:45:53 +0300 Received: from unknown (HELO ?10.0.1.11?) (10.0.1.11) by 0 with SMTP; 6 Jul 2006 03:45:53 +0300 Message-ID: <44AC5D41.5060805@ilievnet.com> Date: Thu, 06 Jul 2006 03:45:53 +0300 From: Daniel Iliev User-Agent: Thunderbird 1.5.0.4 (X11/20060704) 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] linux' IO performance sucks References: <44AB97C6.4040801@ilievnet.com> <200607052355.16400.volker.armin.hemmann@tu-clausthal.de> In-Reply-To: <200607052355.16400.volker.armin.hemmann@tu-clausthal.de> X-Enigmail-Version: 0.94.0.0 Content-Type: text/plain; charset=ISO-8859-15 Content-Transfer-Encoding: 7bit X-Archives-Salt: 18209028-bd28-4043-b058-2cf48e2b3458 X-Archives-Hash: 8d8486ddd0f701aefbf449139fb48492 This one is only to correct a BIG typo: "eclectic power" should be "electric power" (spelling checker + sleeping writer..) Sorry about that. Hemmann, Volker Armin wrote: > On Wednesday 05 July 2006 12:43, Daniel wrote: > >> You could also disable all write caching by issuing the command: >> >> hdparm -W0 /dev/ >> > > emm, no, > > That only deactivates the on-disk cache and has nothing to do with the kernel > caches&buffers. In fact, it has nothing to do with the kernel at all. > > Deactivating the cache might be a good thing in certain situations, but it > usually just decreases performance. So it is usually a BAD THING(tm). -- Best regards, Daniel -- gentoo-user@gentoo.org mailing list