From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: Lars Ingebrigtsen Newsgroups: gmane.emacs.bugs Subject: bug#6964: 23.2; revert-buffer takes 60 times longer than initial read Date: Mon, 14 Oct 2019 07:59:38 +0200 Message-ID: <87h84bq33p.fsf@gnus.org> References: <4C7E6AD5.4010102@smart.net> <8736huw3q5.fsf@mouse.gnus.org> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="29338"; mail-complaints-to="usenet@blaine.gmane.org" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux) Cc: 6964@debbugs.gnu.org To: "Daniel B." Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Mon Oct 14 08:00:17 2019 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([209.51.188.17]) by blaine.gmane.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1iJtOz-0007Ur-Be for geb-bug-gnu-emacs@m.gmane.org; Mon, 14 Oct 2019 08:00:17 +0200 Original-Received: from localhost ([::1]:44762 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iJtOx-0001Vq-D7 for geb-bug-gnu-emacs@m.gmane.org; Mon, 14 Oct 2019 02:00:15 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:34795) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iJtOm-0001SZ-8f for bug-gnu-emacs@gnu.org; Mon, 14 Oct 2019 02:00:05 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1iJtOl-0004cp-5f for bug-gnu-emacs@gnu.org; Mon, 14 Oct 2019 02:00:04 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:57039) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1iJtOl-0004bx-1p for bug-gnu-emacs@gnu.org; Mon, 14 Oct 2019 02:00:03 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1iJtOk-0004ci-UH for bug-gnu-emacs@gnu.org; Mon, 14 Oct 2019 02:00:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Lars Ingebrigtsen Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Mon, 14 Oct 2019 06:00:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 6964 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: moreinfo Original-Received: via spool by 6964-submit@debbugs.gnu.org id=B6964.157103278617705 (code B ref 6964); Mon, 14 Oct 2019 06:00:02 +0000 Original-Received: (at 6964) by debbugs.gnu.org; 14 Oct 2019 05:59:46 +0000 Original-Received: from localhost ([127.0.0.1]:37624 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1iJtOU-0004bV-Cr for submit@debbugs.gnu.org; Mon, 14 Oct 2019 01:59:46 -0400 Original-Received: from [80.91.231.51] (port=49786 helo=quimby.gnus.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1iJtOS-0004bL-F5 for 6964@debbugs.gnu.org; Mon, 14 Oct 2019 01:59:44 -0400 Original-Received: from cm-84.212.202.86.getinternet.no ([84.212.202.86] helo=marnie) by quimby.gnus.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1iJtON-0002IU-58; Mon, 14 Oct 2019 07:59:43 +0200 In-Reply-To: <8736huw3q5.fsf@mouse.gnus.org> (Lars Ingebrigtsen's message of "Wed, 21 Aug 2019 15:30:58 -0700") X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.51.188.43 X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.org gmane.emacs.bugs:169200 Archived-At: Lars Ingebrigtsen writes: > I tried reproducing this with a 200MB binary file. Reading it initially > took less than a second, and saying `M-x revert-buffer' seemed to take > about the same time. > > Are you still seeing this problem, and if so, what kind of data do you > have in the buffer when it takes this long? More information was requested some weeks back, but no response was given, so I'm closing this bug report. If you're still seeing this problem, please reopen. -- (domestic pets only, the antidote for overdose, milk.) bloggy blog: http://lars.ingebrigtsen.no