From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#38345: 27.0.50; Permanent increase in memory consumption after opening images (or pdfs) Date: Sat, 23 Nov 2019 16:50:28 +0200 Message-ID: <83zhgmtznv.fsf@gnu.org> References: <87sgme1ww7.fsf@yantar92-laptop.i-did-not-set--mail-host-address--so-tickle-me> Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="188846"; mail-complaints-to="usenet@blaine.gmane.org" Cc: 38345@debbugs.gnu.org To: Ihor Radchenko Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sat Nov 23 15:51:18 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 1iYWko-000ms7-63 for geb-bug-gnu-emacs@m.gmane.org; Sat, 23 Nov 2019 15:51:18 +0100 Original-Received: from localhost ([::1]:59346 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iYWkh-0004uU-SO for geb-bug-gnu-emacs@m.gmane.org; Sat, 23 Nov 2019 09:51:11 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:49829) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iYWkc-0004uO-Go for bug-gnu-emacs@gnu.org; Sat, 23 Nov 2019 09:51:07 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1iYWkb-0004TT-Cm for bug-gnu-emacs@gnu.org; Sat, 23 Nov 2019 09:51:06 -0500 Original-Received: from debbugs.gnu.org ([209.51.188.43]:47249) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1iYWkb-0004TO-9A for bug-gnu-emacs@gnu.org; Sat, 23 Nov 2019 09:51:05 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1iYWkX-0001q6-U4 for bug-gnu-emacs@gnu.org; Sat, 23 Nov 2019 09:51:05 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sat, 23 Nov 2019 14:51:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 38345 X-GNU-PR-Package: emacs Original-Received: via spool by 38345-submit@debbugs.gnu.org id=B38345.15745206527052 (code B ref 38345); Sat, 23 Nov 2019 14:51:01 +0000 Original-Received: (at 38345) by debbugs.gnu.org; 23 Nov 2019 14:50:52 +0000 Original-Received: from localhost ([127.0.0.1]:56070 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1iYWkI-0001pZ-Mn for submit@debbugs.gnu.org; Sat, 23 Nov 2019 09:50:49 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:40719) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1iYWk9-0001pB-Bw for 38345@debbugs.gnu.org; Sat, 23 Nov 2019 09:50:43 -0500 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:60538) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1iYWk4-000414-2e; Sat, 23 Nov 2019 09:50:32 -0500 Original-Received: from [176.228.60.248] (port=2743 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1iYWk3-0003Rq-DJ; Sat, 23 Nov 2019 09:50:31 -0500 In-reply-to: <87sgme1ww7.fsf@yantar92-laptop.i-did-not-set--mail-host-address--so-tickle-me> (message from Ihor Radchenko on Sat, 23 Nov 2019 22:37:44 +0800) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] 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:172309 Archived-At: > From: Ihor Radchenko > Date: Sat, 23 Nov 2019 22:37:44 +0800 > > Recently, I have noticed that my emacs tends to increase its memory > usage up to over 1.5Gb after I open a large number of pdf documents. It > is understandable since some of the pdfs can be quite large. However, > the problem is that the memory does not seem to be released even after I > close all the pdf buffers. > > First, I though that the issue is with pdf-tools and reported my problem > there (https://github.com/politza/pdf-tools/issues/177). However, the > memory consumption problem appears to happen even if I just open images. > > I monitored emacs (emacs -Q) memory usage with > https://github.com/dkogan/memory_leak_instrumentation > > If I open a large (>250) photos using the code below, the memory usage > increases permanently even after I close all the image buffers and wait > for some time. > > #+begin_src emacs-lisp > (setq large-file-warning-threshold nil) > (setq image-cache-eviction-delay 5) > (find-file "~/Tosort/pictures&photos/*.jpg" 'wild) > (mapc #'kill-buffer (seq-filter (apply-partially #'string-match ".+.jpg$") (mapcar #'buffer-name (buffer-list)))) > (clear-image-cache t) > (garbage-collect) > #+end_src > > The attached is memory consumption plot I got after running M-x > eval-buffer on the code above several times (each run correspond to the > memory consumption peak on the plot). I see no attachment here, but isn't this because Emacs never returns memory to the system when it frees it?