From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#49264: 28.0.50; project.el+tramp performance issue Date: Wed, 30 Jun 2021 16:35:41 +0300 Message-ID: <83h7hfmq4y.fsf@gnu.org> References: <87fsx13aiz.fsf.ref@aol.com> <87fsx13aiz.fsf@aol.com> <83mtr8ooz4.fsf@gnu.org> <20210629222142.jbyegdo72wkp6vv2@Ergus> <83sg0zmsf1.fsf@gnu.org> <116428124d5c9911116bc992b360f2d7@webmail.orcon.net.nz> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="27721"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 49264@debbugs.gnu.org, spacibba@aol.com To: Phil Sainty Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Wed Jun 30 15:37:32 2021 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1lyaPE-00071d-V4 for geb-bug-gnu-emacs@m.gmane-mx.org; Wed, 30 Jun 2021 15:37:32 +0200 Original-Received: from localhost ([::1]:40564 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lyaPE-0000MA-10 for geb-bug-gnu-emacs@m.gmane-mx.org; Wed, 30 Jun 2021 09:37:32 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:36118) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lyaNm-0006j7-3e for bug-gnu-emacs@gnu.org; Wed, 30 Jun 2021 09:36:02 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:45444) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lyaNl-00053a-RX for bug-gnu-emacs@gnu.org; Wed, 30 Jun 2021 09:36:01 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1lyaNl-0006QW-Np for bug-gnu-emacs@gnu.org; Wed, 30 Jun 2021 09:36:01 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Wed, 30 Jun 2021 13:36:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 49264 X-GNU-PR-Package: emacs Original-Received: via spool by 49264-submit@debbugs.gnu.org id=B49264.162506015024687 (code B ref 49264); Wed, 30 Jun 2021 13:36:01 +0000 Original-Received: (at 49264) by debbugs.gnu.org; 30 Jun 2021 13:35:50 +0000 Original-Received: from localhost ([127.0.0.1]:56990 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1lyaNZ-0006Q6-R0 for submit@debbugs.gnu.org; Wed, 30 Jun 2021 09:35:50 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:38196) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1lyaNY-0006Pp-5x for 49264@debbugs.gnu.org; Wed, 30 Jun 2021 09:35:48 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:38542) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lyaNR-0004lT-ME; Wed, 30 Jun 2021 09:35:41 -0400 Original-Received: from 84.94.185.95.cable.012.net.il ([84.94.185.95]:3953 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lyaNP-0001Q4-PX; Wed, 30 Jun 2021 09:35:41 -0400 In-Reply-To: <116428124d5c9911116bc992b360f2d7@webmail.orcon.net.nz> (message from Phil Sainty on Thu, 01 Jul 2021 01:25:07 +1200) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list 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-mx.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.io gmane.emacs.bugs:209193 Archived-At: > Date: Thu, 01 Jul 2021 01:25:07 +1200 > From: Phil Sainty > Cc: Ergus , 49264@debbugs.gnu.org > > > AFAIR, that's not really true, and ISTR project.el aims to support the > > use cases with several different VC backends. > > It's probably worth considering that while one *can* have multiple VC > backends active in a single directory, it's *extremely* common not to. I think Dmitry once told me this isn't so, but maybe I'm dreaming. > If there was a user option which effectively opted out of the multiple- > backend support in favour of performance-oriented assumptions You mean, ask the user to specify the backend for a project? That could work, I think. But again, Jimmy's use case was unbearably slow even with a single VC backend.