From mboxrd@z Thu Jan 1 00:00:00 1970 From: Nicolas Pitre Subject: Re: v1.5.4 plans Date: Tue, 11 Dec 2007 08:59:28 -0500 (EST) Message-ID: References: <20071022061115.GR14735@spearce.org> <7vodeecyni.fsf@gitster.siamese.dyndns.org> <7vpryqwtt7.fsf@gitster.siamese.dyndns.org> <7vk5ot40w9.fsf@gitster.siamese.dyndns.org> <7vy7d43ptc.fsf@gitster.siamese.dyndns.org> <7vabpg9x5k.fsf@gitster.siamese.dyndns.org> <7vy7cwsi3p.fsf@gitster.siamese.dyndns.org> <7vk5o6jbq9.fsf@gitster.siamese.dyndns.org> <7v63zjgoel.fsf@gitster.siamese.dyndns.org> <7vsl2i6ea4.fsf@gitster.siamese.dyndns.org> <7vhcixtnm4.fsf@gitster.siamese.dyndns.org> <7vfxye4yv7.fsf@gitster.siamese.dyndns.org> <7vve78qhtf.fsf@gitster.siamese.dyndns.org> <7vmysijhwq.fsf_-_@gitster.siamese.dyndns.org> Mime-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Content-Transfer-Encoding: 7BIT Cc: Junio C Hamano , git@vger.kernel.org To: Johannes Schindelin X-From: git-owner@vger.kernel.org Tue Dec 11 14:59:54 2007 Return-path: Envelope-to: gcvg-git-2@gmane.org Received: from vger.kernel.org ([209.132.176.167]) by lo.gmane.org with esmtp (Exim 4.50) id 1J25eM-0000ML-2u for gcvg-git-2@gmane.org; Tue, 11 Dec 2007 14:59:54 +0100 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752776AbXLKN7c (ORCPT ); Tue, 11 Dec 2007 08:59:32 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752713AbXLKN7b (ORCPT ); Tue, 11 Dec 2007 08:59:31 -0500 Received: from relais.videotron.ca ([24.201.245.36]:9510 "EHLO relais.videotron.ca" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752159AbXLKN7b (ORCPT ); Tue, 11 Dec 2007 08:59:31 -0500 Received: from xanadu.home ([74.56.106.175]) by VL-MH-MR001.ip.videotron.ca (Sun Java(tm) System Messaging Server 6.3-4.01 (built Aug 3 2007; 32bit)) with ESMTP id <0JSW0023V1J4WG10@VL-MH-MR001.ip.videotron.ca> for git@vger.kernel.org; Tue, 11 Dec 2007 08:59:30 -0500 (EST) X-X-Sender: nico@xanadu.home In-reply-to: User-Agent: Alpine 0.99999 (LFD 814 2007-11-14) Sender: git-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org Archived-At: On Fri, 30 Mar 2029, Johannes Schindelin wrote: > Hi, > > On Mon, 10 Dec 2007, Nicolas Pitre wrote: > > > On Mon, 10 Dec 2007, Junio C Hamano wrote: > > > > > There are outstanding issues that need to be resolved: > > > > > > * We need to do something about "gc --aggressive". The documentation > > > removal patch from Linus, if it ever materializes, would be better > > > than nothing, but I have this nagging suspicion that the explosion is > > > merely a bad interation between -A and -f option to the repack, which > > > are not meant to be used together. > > > > Well, with the gcc repo, simply using 'git repack -a -f' with current > > default window size does produce a 2.1GB pack, while changing the window > > size to 100 (keeping default delta depth) produces a 400MB pack for me. > > > > So this is really a matter of not having a sufficiently large window for > > some data sets. > > So my dumb patch to simply default to window and depth 250 with > aggressive was not _that_ dumb after all? Probably not, although this might be rather wasteful on some repositories. But that's what expectations are for --aggressive. I wish we could find a way to set some good window default dynamically though. Or perhaps the filename hashing needs improvements. Nicolas