From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jakub Narebski Subject: Re: [RFC] repack vs re-clone Date: Mon, 11 Feb 2008 20:53:34 +0100 Message-ID: <200802112053.35141.jnareb@gmail.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Cc: Marco Costalba , git mailing list To: Nicolas Pitre X-From: git-owner@vger.kernel.org Mon Feb 11 20:54:52 2008 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 1JOejK-00033U-Dv for gcvg-git-2@gmane.org; Mon, 11 Feb 2008 20:54:18 +0100 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757431AbYBKTxn (ORCPT ); Mon, 11 Feb 2008 14:53:43 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757402AbYBKTxn (ORCPT ); Mon, 11 Feb 2008 14:53:43 -0500 Received: from ug-out-1314.google.com ([66.249.92.169]:58437 "EHLO ug-out-1314.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755499AbYBKTxm (ORCPT ); Mon, 11 Feb 2008 14:53:42 -0500 Received: by ug-out-1314.google.com with SMTP id z38so362172ugc.16 for ; Mon, 11 Feb 2008 11:53:40 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:from:to:subject:date:user-agent:cc:references:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:message-id; bh=514EisYdOE0usnxFTiNkEDGeDQ1JlPegvYUCyr6m8AQ=; b=lj8h5fHkH5nZcu9IlTNTN0EijRfMzvpUI7WxVv9gg4aXTUg8rBhnwdKetrRTRJdl1twCGzldNkyX2ccewgX/uLOjn1N73dCKhJZR9WCSTg5XoACvAxOvgiI22If9rd5BfIhhLvnPjoj5S8pG2mIrbJDtC5kJna2TCv3PqoheKJI= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=from:to:subject:date:user-agent:cc:references:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:message-id; b=uKK6zF1feBwPuLysQPJvLGvqjWlguzD4xUkoBt86+xOHzw3Ba2tgJCP9WG7NxpOedBtlKlH/XM64fiEfCH5XJ16nevn2sTYoK49qPo5OX50XkHygA+f09gKP1mRf6pb1AfNvp+AWSp2iCXOR6/nRs3mxSZTJQ1ZZZy9sXVbAo+E= Received: by 10.78.185.15 with SMTP id i15mr721280huf.61.1202759620455; Mon, 11 Feb 2008 11:53:40 -0800 (PST) Received: from ?192.168.1.11? ( [83.8.220.23]) by mx.google.com with ESMTPS id 33sm484734nfu.9.2008.02.11.11.53.38 (version=SSLv3 cipher=OTHER); Mon, 11 Feb 2008 11:53:39 -0800 (PST) User-Agent: KMail/1.9.3 In-Reply-To: Content-Disposition: inline Sender: git-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org Archived-At: Nicolas Pitre wrote: > On Mon, 11 Feb 2008, Jakub Narebski wrote: > > > [*1*] I hope that '--no-reuse-delta' means _try_ to find better delta, > > but use current one as possible delta, not stupid forget about current > > deltaification at all... > > It is really "forget about everything". And by the time you look for > the best delta from scratch, remembering what was the best delta before > won't give you much performance gain, plus it has nasty issues like > making sure no delta cycles are created if you reuse an old delta, etc. So we have either: don't try to find better delta (default), or forget totally about old delta (--no-reuse-delta), no middle ground? That's bad... Or the default is try to find better delta, but reuse if better? -- Jakub Narebski Poland