From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chris Mason Subject: Re: kernel.org and GIT tree rebuilding Date: Sun, 26 Jun 2005 17:03:16 -0400 Message-ID: <200506261703.16862.mason@suse.com> References: <20050624.212009.92584730.davem@davemloft.net> <200506261652.59373.mason@suse.com> Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Cc: Jeff Garzik , "David S. Miller" , Git Mailing List , Nicolas Pitre X-From: git-owner@vger.kernel.org Sun Jun 26 22:57:09 2005 Return-path: Received: from vger.kernel.org ([12.107.209.244]) by ciao.gmane.org with esmtp (Exim 4.43) id 1DmeBU-0003cI-6b for gcvg-git@gmane.org; Sun, 26 Jun 2005 22:56:56 +0200 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261596AbVFZVDj (ORCPT ); Sun, 26 Jun 2005 17:03:39 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261598AbVFZVDh (ORCPT ); Sun, 26 Jun 2005 17:03:37 -0400 Received: from ns1.suse.de ([195.135.220.2]:3021 "EHLO mx1.suse.de") by vger.kernel.org with ESMTP id S261597AbVFZVDZ (ORCPT ); Sun, 26 Jun 2005 17:03:25 -0400 Received: from Relay2.suse.de (mail2.suse.de [195.135.221.8]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.suse.de (Postfix) with ESMTP id 2DACCE82F; Sun, 26 Jun 2005 23:03:23 +0200 (CEST) To: Linus Torvalds User-Agent: KMail/1.8 In-Reply-To: <200506261652.59373.mason@suse.com> Content-Disposition: inline Sender: git-owner@vger.kernel.org Precedence: bulk X-Mailing-List: git@vger.kernel.org On Sunday 26 June 2005 16:52, Chris Mason wrote: > > > > git-rev-list --object end ^start > object-list > > > > - Pack that list of objects into an "object pack": > > > > git-pack-objects out < object-list > > Without having read the code, the big thing that hurt performance in my > early packed file work was compressing the whole packed file instead of > individual sub-objects. It takes more room to compress each object, but > when I compressed the whole thing read performance was quite bad. Sorry, fat fingered the send key... The hard links were the biggest problem with my packed file patches, I think the dynamic lookup in a separate packed file index is the best way to go. -chris