From mboxrd@z Thu Jan 1 00:00:00 1970 From: Junio C Hamano Subject: Re: git gc --aggressive led to about 40 times slower "git log --raw" Date: Wed, 19 Feb 2014 10:59:34 -0800 Message-ID: References: <87r470ssuc.fsf@fencepost.gnu.org> <87ioscsoow.fsf@fencepost.gnu.org> <20140218155842.GA7855@google.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Duy Nguyen , Jonathan Nieder , David Kastrup , Christian Jaeger , Git Mailing List To: Philippe Vaucher X-From: git-owner@vger.kernel.org Wed Feb 19 19:59:44 2014 Return-path: Envelope-to: gcvg-git-2@plane.gmane.org Received: from vger.kernel.org ([209.132.180.67]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1WGCMx-00031S-SJ for gcvg-git-2@plane.gmane.org; Wed, 19 Feb 2014 19:59:44 +0100 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754823AbaBSS7j (ORCPT ); Wed, 19 Feb 2014 13:59:39 -0500 Received: from b-pb-sasl-quonix.pobox.com ([208.72.237.35]:54073 "EHLO smtp.pobox.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754402AbaBSS7i (ORCPT ); Wed, 19 Feb 2014 13:59:38 -0500 Received: from smtp.pobox.com (unknown [127.0.0.1]) by b-sasl-quonix.pobox.com (Postfix) with ESMTP id CD3DC6D04D; Wed, 19 Feb 2014 13:59:37 -0500 (EST) DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=pobox.com; h=from:to:cc :subject:references:date:in-reply-to:message-id:mime-version :content-type; s=sasl; bh=UKdDvf0UEBwFkGL28/geRbE5QkM=; b=UfB/sc irQXVI795gekek63FANDNBUm/pld8ojHf4Fl9dnoNtwaWgBYDLHD2vyBxs7t06IU bAx1mQWiNLigKAXFPSqwUjE72brjAU8qquEuuYAvlka5pXJZd/NhUAHvHAHpUix1 gTtBRfqf8GVvQ1qcwui8Jf0Mc1xPH4Jp0Pcec= DomainKey-Signature: a=rsa-sha1; c=nofws; d=pobox.com; h=from:to:cc :subject:references:date:in-reply-to:message-id:mime-version :content-type; q=dns; s=sasl; b=KDnJ7oTf06e1qTUzvPsv+KbrNuMEyBOb YXLDUgUCxd847RJI2DO+b5nvoahZwhaOhzP3yY58Z+dUeEQFAhCLyqN15iNF+V4W wGMBRVDj2JnIP35mGp6LVNxDL+sia51Az0MTv6kTYKoUx+jKBqqFNZNSH9ZBrdhl FtSEP07F8jo= Received: from b-pb-sasl-quonix.pobox.com (unknown [127.0.0.1]) by b-sasl-quonix.pobox.com (Postfix) with ESMTP id BCD1E6D04C; Wed, 19 Feb 2014 13:59:37 -0500 (EST) Received: from pobox.com (unknown [72.14.226.9]) (using TLSv1 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) by b-sasl-quonix.pobox.com (Postfix) with ESMTPSA id CAFBC6D04A; Wed, 19 Feb 2014 13:59:36 -0500 (EST) In-Reply-To: (Philippe Vaucher's message of "Wed, 19 Feb 2014 09:38:31 +0100") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.3 (gnu/linux) X-Pobox-Relay-ID: FA44FB2C-9997-11E3-8DD9-1B26802839F8-77302942!b-pb-sasl-quonix.pobox.com Sender: git-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org Archived-At: Philippe Vaucher writes: >> fwiw this is the thread that added --depth=250 >> >> http://thread.gmane.org/gmane.comp.gcc.devel/94565/focus=94626 > > This post is quite interesting: > http://article.gmane.org/gmane.comp.gcc.devel/94637 Yes, it most clearly says that --depth=250 was *not* a recommendation, with technical background to explain why such a long delta chain is a bad idea.