From owner-freebsd-questions@FreeBSD.ORG Sun Nov 9 18:03:33 2008 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 441B5106567C for ; Sun, 9 Nov 2008 18:03:33 +0000 (UTC) (envelope-from jdc@koitsu.dyndns.org) Received: from QMTA07.emeryville.ca.mail.comcast.net (qmta07.emeryville.ca.mail.comcast.net [76.96.30.64]) by mx1.freebsd.org (Postfix) with ESMTP id 2E0248FC1A for ; Sun, 9 Nov 2008 18:03:33 +0000 (UTC) (envelope-from jdc@koitsu.dyndns.org) Received: from OMTA03.emeryville.ca.mail.comcast.net ([76.96.30.27]) by QMTA07.emeryville.ca.mail.comcast.net with comcast id d22m1a0030b6N64A763YfK; Sun, 09 Nov 2008 18:03:32 +0000 Received: from koitsu.dyndns.org ([69.181.141.110]) by OMTA03.emeryville.ca.mail.comcast.net with comcast id d63X1a00C2P6wsM8P63Yrf; Sun, 09 Nov 2008 18:03:32 +0000 X-Authority-Analysis: v=1.0 c=1 a=QycZ5dHgAAAA:8 a=Q5tx2_X9zIDJknSYoXAA:9 a=PSCKjxB7ZUwdjv6fCbai90pzWukA:4 a=EoioJ0NPDVgA:10 a=SV7veod9ZcQA:10 a=LY0hPdMaydYA:10 Received: by icarus.home.lan (Postfix, from userid 1000) id D757D5C19; Sun, 9 Nov 2008 10:03:31 -0800 (PST) Date: Sun, 9 Nov 2008 10:03:31 -0800 From: Jeremy Chadwick To: freebsd-questions@freebsd.org Message-ID: <20081109180331.GA46147@icarus.home.lan> References: <50261.1226194851@people.net.au> <20081109024046.GB27423@icarus.home.lan> <20081109160917.GA4223@ourbrains.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20081109160917.GA4223@ourbrains.org> User-Agent: Mutt/1.5.18 (2008-05-17) Subject: Re: UFS2 limits X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 09 Nov 2008 18:03:33 -0000 On Sun, Nov 09, 2008 at 11:09:17AM -0500, Dan wrote: > Jeremy Chadwick(koitsu@FreeBSD.org)@2008.11.08 18:40:46 -0800: > > I don't want to change the topic of discussion, but I *highly* recommend > > you ***stop*** whatever it is you're doing that is creating such a > > directory structure. Software which has to iterate through that > > directory using opendir() and readdir() will get slower and slower as > > time goes on. > > On a related note there are filesystems that handle many > files/directories very quickly. They use alternate tree data structures > that behave quicker. ReiserFS is one of them. I believe XFS does quite > well too. FreeBSD should have adapted XFS in addition to ZFS. ZFS is a > resource monster. Shame, really. XFS is freely available in Linux for a > number of years. Hammer, the new FS for FreeBSDs is available for > DragonflyBSD. If you really think HAMMER accomplishes the same goals as ZFS, you are sadly mistaken. I have no idea about XFS. -- | Jeremy Chadwick jdc at parodius.com | | Parodius Networking http://www.parodius.com/ | | UNIX Systems Administrator Mountain View, CA, USA | | Making life hard for others since 1977. PGP: 4BD6C0CB |