From owner-freebsd-current@FreeBSD.ORG Thu Aug 25 18:14:14 2005 Return-Path: X-Original-To: freebsd-current@freebsd.org Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id E552516A41F for ; Thu, 25 Aug 2005 18:14:14 +0000 (GMT) (envelope-from andre@freebsd.org) Received: from c00l3r.networx.ch (c00l3r.networx.ch [62.48.2.2]) by mx1.FreeBSD.org (Postfix) with ESMTP id 7367D43D60 for ; Thu, 25 Aug 2005 18:14:12 +0000 (GMT) (envelope-from andre@freebsd.org) Received: (qmail 53789 invoked from network); 25 Aug 2005 17:53:04 -0000 Received: from dotat.atdotat.at (HELO [62.48.0.47]) ([62.48.0.47]) (envelope-sender ) by c00l3r.networx.ch (qmail-ldap-1.03) with SMTP for ; 25 Aug 2005 17:53:04 -0000 Message-ID: <430E0A72.1090702@freebsd.org> Date: Thu, 25 Aug 2005 20:14:10 +0200 From: Andre Oppermann User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.8b) Gecko/20050217 MIME-Version: 1.0 To: Marian Hettwer References: <430E06AA.2000907@kernel32.de> In-Reply-To: <430E06AA.2000907@kernel32.de> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Cc: freebsd-current@freebsd.org Subject: Re: filesystem performance with lots of small files X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 25 Aug 2005 18:14:15 -0000 Marian Hettwer wrote: > Hi there, > > I'm actually testing around with FreeBSD 6 BETA 3. Regarding stability > I'm really pleased, it runs and runs and runs :) > No problems on that front. > Back to the topic. I have a directory with several thousands (800k and > more) small files. UFS2 shows a pretty low performance. I don't have > numbers yet, but I'd like to know in advance wether there are tunable > parameters. I couldn't find any sysctl'´s or kernel parameters. > I'll report numbers, as soon as I have them. > And yes, I disabled the debugging features in my kernel (WITNESS, > INVARIANTS ...) > Besides, I know that 6-BETA is not about performance at all :) > > any tips on file system performance with small files, though ? What is low performance for you? Is it creating a new file, opening an existing file, reading from a file, etc? What is your point of reference you compare to (FreeBSD 4.11, etc)? -- Andre