From owner-freebsd-fs@FreeBSD.ORG Tue Oct 21 18:06:10 2003 Return-Path: Delivered-To: freebsd-fs@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 4A55E16A4B3 for ; Tue, 21 Oct 2003 18:06:10 -0700 (PDT) Received: from imf18aec.mail.bellsouth.net (imf18aec.mail.bellsouth.net [205.152.59.66]) by mx1.FreeBSD.org (Postfix) with ESMTP id 276EB43FD7 for ; Tue, 21 Oct 2003 18:06:09 -0700 (PDT) (envelope-from drhodus@catpa.com) Received: from catpa.com ([68.209.168.6]) by imf18aec.mail.bellsouth.net (InterMail vM.5.01.05.27 201-253-122-126-127-20021220) with ESMTP id <20031022010604.XGWR1849.imf18aec.mail.bellsouth.net@catpa.com>; Tue, 21 Oct 2003 21:06:04 -0400 Date: Tue, 21 Oct 2003 21:06:04 -0400 Content-Type: text/plain; charset=US-ASCII; format=flowed Mime-Version: 1.0 (Apple Message framework v552) To: Ken Marx From: David Rhodus In-Reply-To: <3F95D3F3.2050203@vicor.com> Message-Id: Content-Transfer-Encoding: 7bit X-Mailer: Apple Mail (2.552) cc: freebsd-fs@freebsd.org cc: Cayford Burrell cc: Julian Elischer cc: victor elischer cc: John Lynch cc: Josh Howard cc: Dave Parker Smith Subject: Re: 4.8 ffs_dirpref problem X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 22 Oct 2003 01:06:10 -0000 On Tuesday, October 21, 2003, at 08:48 PM, Ken Marx wrote: > Hi, > > We have 560GB raids that were sometimes bogging down heavily > in our production systems. Under 4.8-RELEASE (recently upgrated from > 4.4) > we find that when: > > o the raid file system grows to over 85% capacity (with only > 30% inode usage) > o we create ~1500 or so 2-6kb files in a given dir > o (note: soft updates NOT enabled) I have one question, why do you have softupdates turned off ? With softupdates it could be possible to get faster writes than using an async mount. -DR