From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Michael Albinus Newsgroups: gmane.emacs.bugs Subject: bug#59151: Major performance issues in dired over ssh (Tramp) when remote directory contains symlinks Date: Thu, 10 Nov 2022 11:54:03 +0100 Message-ID: <87fserxepg.fsf@gmx.de> References: <907b450b-c502-a09c-0f81-0ff57e3a3bfa@mikpom.ru> <87k043xj7j.fsf@gmx.de> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="21672"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Cc: 59151-done@debbugs.gnu.org To: Mikhail Pomaznoy Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Thu Nov 10 11:55:15 2022 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 1ot5DH-0005R6-Dh for geb-bug-gnu-emacs@m.gmane-mx.org; 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Thu, 10 Nov 2022 11:54:06 +0100 In-Reply-To: (Mikhail Pomaznoy's message of "Thu, 10 Nov 2022 16:30:30 +0700") X-Provags-ID: V03:K1:Z7Is3XwbbD0teBEowYI78OQrOSD/ueqghgZvNi7Z/cdgRUmx7xZ PwTsTAhzDnysHjvJ+12jdQ0S2xu3JwF9qef3nZ4WQNAJxL/M7cR5BUtb2x3BDuqQCWI5z6Q +bbo58eVO/uq6P4zwDDajObXAjso7y7cWY7YE8vlvyFuIjs2ZhiH5XtZDXrojrEXjsmYbSx US5eWaNl4e7IRlfjmVBAg== UI-OutboundReport: notjunk:1;M01:P0:/CM7NAlhXxk=;a/wloVCxOYICmYpaD7qhApR6Ts9 Oxip0aIwXPdDSkHbdIb69MQWV4sPbsAha2LrpafGhZ9C2JNG7N+o4QEVw8SvItaSxjxZ6B5X/ WtDfwV+lQd/LKoBHc10vWcIZGwwFZA0AglN2mVCJO31V0H28++pWXj2bOkzHXhJMGlLyz37/Q PPcFvVE33kFnveSoG0iKMPgX5OSZdMeLoQzkb+cg8YB73isaQqSegMB+fb40UdILTwtf8kSi0 y437WpZBtjyC6ET9vhHoz7CoKulPmX3s9xm8XV8uNGmOAH5NwHT8auGT+mcsQmeMkPt/CYmdL Aeuch1rHTen5MpP4LIF/vObdN7gzvOt7FfXKFMdkuyFRIytXsH6zDs9wU5H/hDD1WvCZL3CMZ ISX7VOzEMQhnT5gx5+6IM3QcHAoYM1ept/nWQo9fmNdhu5StxqsQQnPQn7MtKfS1ZzWp2f4sE lFrZJnEXVNiuRONtf0lKHheARXWjXa9av8lzxmuflU2CZ/y/9gqDbOm2tzsL1hgdNQVWMLbc1 /Lh/E0dIKOGFY6MOA/4strsobablMVViI1gr5/ISZGVD4WcZg6Ps7a3kx4eyMkhf9O5ZhXDyx W6BTwLfaJ+In7MT2ZhyA7WvJ6IRYGpmLOsVyUtL4sAF3zgtnOrLSbOQ785XfMOlljCM/4XQoI elks/Arqdk8TfbK1s/tRWUJ/HCm37xInL9B+G8ayXHl/DmHSk2Vp/LWB3kD2G+Cu24EoWPbYR R0At5Y3X/sAY8mLYhKsdygrI2V8thEpmpq4OMaw7oza5ALz33Se5pQTf634c4W1+EUM8BpHN 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-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.bugs:247508 Archived-At: Mikhail Pomaznoy writes: Hi Mikhail, >> I recommend you to disable the buffer-local font-lock-mode in a remote >> dired buffer with so many symlinked files, via `M-x font-lock-mode'. > Indeed, disabling font-lock works like a charm and restores the performance Thanks for the feedback, I'm closing the bug. >> This takes time for remote files, especially if you don't use Tramp >> caches, or caches with a short timeout. > What an average Emacs Tramp user can do about those caches? searching > for keywords `tramp cache` in customize menu of emacs gives > nothing. If I search for `cache` in Tramp manual there is just a > single section which doesn't look relevant for this case. Is the > caches you talking about something "sophisticated" or simply > documentation is lacking? See remote-file-name-inhibit-cache. It's default value is 10, meaning caching for 10 seconds. You can increase this value, or set it to nil. > Of course certain lag is fine and expected when the directory is > listed for the first time. But on every scroll ? > > Thanks for your reply, > > -Mikhail Best regards, Michael.