From owner-freebsd-current Mon Nov 11 07:04:45 1996 Return-Path: owner-current Received: (from root@localhost) by freefall.freebsd.org (8.7.5/8.7.3) id HAA18378 for current-outgoing; Mon, 11 Nov 1996 07:04:45 -0800 (PST) Received: from brasil.moneng.mei.com (brasil.moneng.mei.com [151.186.109.160]) by freefall.freebsd.org (8.7.5/8.7.3) with ESMTP id HAA18373 for ; Mon, 11 Nov 1996 07:04:43 -0800 (PST) Received: (from jgreco@localhost) by brasil.moneng.mei.com (8.7.Beta.1/8.7.Beta.1) id JAA19277; Mon, 11 Nov 1996 09:03:09 -0600 From: Joe Greco Message-Id: <199611111503.JAA19277@brasil.moneng.mei.com> Subject: Re: ufs is too slow? To: bsdcur@shadows.aeon.net (mika ruohotie) Date: Mon, 11 Nov 1996 09:03:09 -0600 (CST) Cc: freebsd-current@freebsd.org In-Reply-To: <199611111435.QAA23398@shadows.aeon.net> from "mika ruohotie" at Nov 11, 96 04:35:53 pm X-Mailer: ELM [version 2.4 PL24] Content-Type: text Sender: owner-current@freebsd.org X-Loop: FreeBSD.org Precedence: bulk > well... > > i posted this to usenet too... > > i was wondering if there's any truth here... > > my friend told me that the ufs filesystem is too slow for a high end > nntp server usage... > > the average 7 articles per second is supposed to be too much, and that > using some log type filesystem, like xfs (in sgi) would be better... > > he was saying that ufs cant create those 7 files in the second. > > is that so? I have seen peaks of Average articles per second was 15.842105263157895578 over a 300 article sample. That was, however, on a machine heavily optimized towards the task. We were flyyyyyying.... FFS is in general a great FS... but it is optimized for the general case. It is particularly poor at handling large directories or lots of writes, and news is excellent at pounding on these qualities. (see my other note this morning, or I can cc: you a copy). ... JG