From mboxrd@z Thu Jan 1 00:00:00 1970 From: "C. Scott Ananian" Subject: Re: [PATCH] write-tree performance problems Date: Tue, 19 Apr 2005 18:47:31 -0400 (EDT) Message-ID: References: <200504191250.10286.mason@suse.com> Mime-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Cc: Chris Mason , git@vger.kernel.org X-From: git-owner@vger.kernel.org Wed Apr 20 00:43:59 2005 Return-path: Received: from vger.kernel.org ([12.107.209.244]) by ciao.gmane.org with esmtp (Exim 4.43) id 1DO1Re-0007O8-04 for gcvg-git@gmane.org; Wed, 20 Apr 2005 00:43:50 +0200 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261271AbVDSWr5 (ORCPT ); Tue, 19 Apr 2005 18:47:57 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261719AbVDSWr5 (ORCPT ); Tue, 19 Apr 2005 18:47:57 -0400 Received: from sincerity-forever.csail.mit.edu ([128.30.67.31]:14258 "EHLO sincerity-forever.csail.mit.edu") by vger.kernel.org with ESMTP id S261271AbVDSWry (ORCPT ); Tue, 19 Apr 2005 18:47:54 -0400 Received: from catfish.lcs.mit.edu ([128.30.67.25] helo=cag.csail.mit.edu) by sincerity-forever.csail.mit.edu with esmtp (Exim 3.36 #1 (Debian)) id 1DO1VO-0001Ix-00; Tue, 19 Apr 2005 18:47:42 -0400 To: Linus Torvalds In-Reply-To: Sender: git-owner@vger.kernel.org Precedence: bulk X-Mailing-List: git@vger.kernel.org On Tue, 19 Apr 2005, Linus Torvalds wrote: > (*) Actually, I think it's the compression that ends up being the most > expensive part. You're also using the equivalent of '-9', too -- and *that's slow*. Changing to Z_NORMAL_COMPRESSION would probably help a lot (but would break all existing repositories, sigh). --scott DES WTO Indonesia NRA LCPANGS supercomputer plastique class struggle AEFOX Pakistan ODEARL Secretary KUGOWN Cheney ODIBEX SDI AP JMMADD ( http://cscott.net/ )