Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Sun, 9 Dec 2001 11:04:24 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Sun, 9 Dec 2001 11:04:13 -0500 Received: from roc-24-169-102-121.rochester.rr.com ([24.169.102.121]:35523 "EHLO roc-24-169-102-121.rochester.rr.com") by vger.kernel.org with ESMTP id ; Sun, 9 Dec 2001 11:04:03 -0500 Date: Sun, 09 Dec 2001 10:59:45 -0500 From: Chris Mason To: Russell Coker , reiserfs-list@namesys.com cc: linux-kernel@vger.kernel.org Subject: Re: per-char IO tests Message-ID: <1764650000.1007913585@tiny> In-Reply-To: <20011209151431.2172397E@lyta.coker.com.au> In-Reply-To: <20011209151431.2172397E@lyta.coker.com.au> X-Mailer: Mulberry/2.1.0 (Linux/x86) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Sunday, December 09, 2001 04:14:30 PM +0100 Russell Coker wrote: > Both machines run ReiserFS. A quick test indicates that using Ext2 instead > of ReiserFS triples the performance of write(fd, buf, 1), but this is > something I already knew (and had mentioned before on the ReiserFS list). This is most likely from logging the inode as you extend the file. Recent pre releases for 2.4.17 include a from patch from Andrew that should help, but I expect reiserfs to still be somewhat slower. -chris - 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/