From owner-freebsd-current@FreeBSD.ORG  Thu Aug 25 18:00:53 2005
Return-Path: <owner-freebsd-current@FreeBSD.ORG>
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 B04A216A41F
	for <freebsd-current@freebsd.org>; Thu, 25 Aug 2005 18:00:53 +0000 (GMT)
	(envelope-from mike@sentex.net)
Received: from smarthost1.sentex.ca (smarthost1.sentex.ca [64.7.153.18])
	by mx1.FreeBSD.org (Postfix) with ESMTP id DE42343D48
	for <freebsd-current@freebsd.org>; Thu, 25 Aug 2005 18:00:52 +0000 (GMT)
	(envelope-from mike@sentex.net)
Received: from pumice3.sentex.ca (pumice3.sentex.ca [64.7.153.26])
	by smarthost1.sentex.ca (8.13.3/8.13.3) with ESMTP id j7PI0p5F014246
	for <freebsd-current@freebsd.org>; Thu, 25 Aug 2005 14:00:51 -0400 (EDT)
	(envelope-from mike@sentex.net)
Received: from lava.sentex.ca (pyroxene.sentex.ca [199.212.134.18])
	by pumice3.sentex.ca (8.13.3/8.13.3) with ESMTP id j7PI0mSB029217;
	Thu, 25 Aug 2005 14:00:48 -0400 (EDT) (envelope-from mike@sentex.net)
Received: from simian.sentex.net (simeon.sentex.ca [192.168.43.27])
	by lava.sentex.ca (8.13.3/8.13.3) with ESMTP id j7PI0lCJ097490
	(version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO);
	Thu, 25 Aug 2005 14:00:47 -0400 (EDT) (envelope-from mike@sentex.net)
Message-Id: <6.2.3.4.0.20050825135916.07a19ac8@64.7.153.2>
X-Mailer: QUALCOMM Windows Eudora Version 6.2.3.4
Date: Thu, 25 Aug 2005 14:00:18 -0400
To: Marian Hettwer <MH@kernel32.de>, freebsd-current@freebsd.org
From: Mike Tancsa <mike@sentex.net>
In-Reply-To: <430E06AA.2000907@kernel32.de>
References: <430E06AA.2000907@kernel32.de>
Mime-Version: 1.0
Content-Type: text/plain; charset="iso-8859-1"; format=flowed
Content-Transfer-Encoding: quoted-printable
X-Virus-Scanned: by amavisd-new
X-Scanned-By: MIMEDefang 2.51 on 64.7.153.18
X-Scanned-By: MIMEDefang 2.51 on 64.7.153.26
Cc: 
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
	<freebsd-current.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-current>, 
	<mailto:freebsd-current-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-current>
List-Post: <mailto:freebsd-current@freebsd.org>
List-Help: <mailto:freebsd-current-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-current>,
	<mailto:freebsd-current-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Thu, 25 Aug 2005 18:00:53 -0000

At 01:58 PM 25/08/2005, Marian Hettwer wrote:
>couldn't find any sysctl'=C2=B4s or kernel parameters.
>I'll report numbers, as soon as I have them.
>And yes, I disabled the debugging features in my=20
>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 ?

It might be hitting the dirhash max mem=20
value.  What does vfs.ufs.dirhash_maxmem and vfs.ufs.dirhash_mem show ?

         ---Mike=20