From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Torsten Bronger Newsgroups: gmane.emacs.bugs Subject: bug#768: 23.0.60; vc-bzr.el re-reads metadata files in an endless loop Date: Sun, 11 Sep 2011 19:45:17 +0200 Organization: Phoenix Foundation Message-ID: <87pqj7otw2.fsf@physik.rwth-aachen.de> References: <20080823150616.E3D2C32803D@wilson.homeunix.com> <87abexwu6r.fsf@physik.rwth-aachen.de> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable X-Trace: dough.gmane.org 1315763155 24193 80.91.229.12 (11 Sep 2011 17:45:55 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Sun, 11 Sep 2011 17:45:55 +0000 (UTC) Cc: 768@debbugs.gnu.org To: Lars Magne Ingebrigtsen Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sun Sep 11 19:45:50 2011 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([140.186.70.17]) by lo.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1R2o6H-00035l-TJ for geb-bug-gnu-emacs@m.gmane.org; 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Lars Magne Ingebrigtsen writes: > Torsten Bronger writes: > >> I think I know what happens: I set (auto-revert-check-vc-info t) >> which probably means that Emacs re-reads VC metadata every five >> seconds. However, it is questionable whether this makes sense >> for remote files through Tramp. > > I think special-casing the action of that variable for tramp files > sounds non-optimal. If your files are too slow to be read in that > way, then you shouldn't switch that on, but Emacs has no way of > determining that. But tramp files are special-cased also when it comes to restoring the desktop after an Emacs start: They are not restored (at least not by default). I think it is fair to assume that probing a file every five seconds through SSH is more critical than probing a local file. Moreover, I have dozens of local version-controlled files open but I open a remote file only seldomly. Without special-casing, the whole workflow suffered due to a rare use case. Tsch=F6, Torsten. --=20 Torsten Bronger Jabber ID: torsten.bronger@jabber.rwth-aachen.de or http://bronger-jmp.appspot.com