From mboxrd@z Thu Jan 1 00:00:00 1970 From: Junio C Hamano Subject: Re: [PATCH] Prevent megablobs from gunking up git packs Date: Tue, 22 May 2007 17:28:33 -0700 Message-ID: <7v3b1o758u.fsf@assigned-by-dhcp.cox.net> References: <46528A48.9050903@gmail.com> <56b7f5510705220959x1b37a4adk537cc0cba1a27530@mail.gmail.com> <200705230144.38290.jnareb@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: "Dana How" , git@vger.kernel.org To: Jakub Narebski X-From: git-owner@vger.kernel.org Wed May 23 02:28:40 2007 Return-path: Envelope-to: gcvg-git@gmane.org Received: from vger.kernel.org ([209.132.176.167]) by lo.gmane.org with esmtp (Exim 4.50) id 1HqeiW-0007WA-IX for gcvg-git@gmane.org; Wed, 23 May 2007 02:28:40 +0200 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1762081AbXEWA2g (ORCPT ); Tue, 22 May 2007 20:28:36 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1762196AbXEWA2g (ORCPT ); Tue, 22 May 2007 20:28:36 -0400 Received: from fed1rmmtao105.cox.net ([68.230.241.41]:52194 "EHLO fed1rmmtao105.cox.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1761811AbXEWA2f (ORCPT ); Tue, 22 May 2007 20:28:35 -0400 Received: from fed1rmimpo02.cox.net ([70.169.32.72]) by fed1rmmtao105.cox.net (InterMail vM.7.05.02.00 201-2174-114-20060621) with ESMTP id <20070523002834.GYJU22040.fed1rmmtao105.cox.net@fed1rmimpo02.cox.net>; Tue, 22 May 2007 20:28:34 -0400 Received: from assigned-by-dhcp.cox.net ([68.5.247.80]) by fed1rmimpo02.cox.net with bizsmtp id 2QUa1X00F1kojtg0000000; Tue, 22 May 2007 20:28:34 -0400 In-Reply-To: <200705230144.38290.jnareb@gmail.com> (Jakub Narebski's message of "Wed, 23 May 2007 01:44:37 +0200") User-Agent: Gnus/5.110006 (No Gnus v0.6) Emacs/21.4 (gnu/linux) Sender: git-owner@vger.kernel.org Precedence: bulk X-Mailing-List: git@vger.kernel.org Archived-At: Jakub Narebski writes: > No, I was thinking about separate _kept_ pack (so it would be not > repacked unless -f option is given) containing _only_ the large blobs. > The only difference between this and your proposal is that megablobs > would be in their mergablobs pack, but not loose. I am not sure about the "unless -f option is given" part, but a single .kept pack that contains only problematic blobs would be an interesting experiment. (0) prepare object names of problematic blobs, in huge.txt, one object name per line; (1) prepare a single pack that has them: $ N=$(git-pack-object --depth=0 --window=0 pack pack-$N.keep $ mv pack-$N.* .git/object/pack/. (2) repack the remainder, with the default depth/window: $ git repack -a -d $ git prune