From owner-freebsd-fs@FreeBSD.ORG Wed Dec 3 13:51:44 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 4D1AA16A4CE for ; Wed, 3 Dec 2003 13:51:44 -0800 (PST) Received: from gw.catspoiler.org (217-ip-163.nccn.net [209.79.217.163]) by mx1.FreeBSD.org (Postfix) with ESMTP id AC66043FCB for ; Wed, 3 Dec 2003 13:51:42 -0800 (PST) (envelope-from truckman@FreeBSD.org) Received: from FreeBSD.org (mousie.catspoiler.org [192.168.101.2]) by gw.catspoiler.org (8.12.9p2/8.12.9) with ESMTP id hB3LpReF032726; Wed, 3 Dec 2003 13:51:31 -0800 (PST) (envelope-from truckman@FreeBSD.org) Message-Id: <200312032151.hB3LpReF032726@gw.catspoiler.org> Date: Wed, 3 Dec 2003 13:51:27 -0800 (PST) From: Don Lewis To: kmarx@vicor.com In-Reply-To: <3FCD4396.1040100@vicor.com> MIME-Version: 1.0 Content-Type: TEXT/plain; charset=us-ascii cc: freebsd-fs@FreeBSD.org cc: mckusick@beastie.mckusick.com 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, 03 Dec 2003 21:51:44 -0000 On 2 Dec, Ken Marx wrote: > > > Don Lewis wrote: >> I went ahead and spun a new version of my patch with the new multiplier, >> one other tweak to the formula, and updated comments. > > Hi, Sorry for the delay. Tested, then realized a stupid mistake, > started over, panic'd the box, and finally tested. Panic was > a bit unsettling. Happened when I tried to call my dump routine > from the debugger. Might have been a typo for all I know(!?) - > was doing quickly to keep benchmark script from bailing due to > "Profiling timer expired" killing my timer. (That's another kettle > of wax, I guess.) > > Other than that, the newer hashkey stuff does seem to improve > the shallowness of the table. Below are some samples while doing > the 1.4gb untar commands on 98% and 99%+ full disk. Again, > running w/ 75% avgbfree, avgifree so as to hit the table harder. It looks good enough to me. I just committed it.