From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: Joseph Mingrone Newsgroups: gmane.emacs.devel Subject: Re: Emacs memory management and sluggishness Date: Thu, 01 Aug 2019 06:46:13 -0300 Message-ID: <86pnlpnrq2.fsf@phe.ftfl.ca> References: <87k1c44n7y.fsf@telefonica.net> <83d0hwm0fc.fsf@gnu.org> <87ef2b4pti.fsf@telefonica.net> <83sgqrlim1.fsf@gnu.org> <8736ir3uj0.fsf@telefonica.net> <83imrmlw7y.fsf@gnu.org> <86blxakjrc.fsf@phe.ftfl.ca> <87ef25rhiu.fsf@telefonica.net> <8636illum6.fsf@phe.ftfl.ca> <87a7ctrgn2.fsf@telefonica.net> <86y30dkfgl.fsf@phe.ftfl.ca> <83zhkthagt.fsf@gnu.org> Mime-Version: 1.0 Content-Type: multipart/signed; boundary="=-=-="; micalg=pgp-sha512; protocol="application/pgp-signature" Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="197568"; mail-complaints-to="usenet@blaine.gmane.org" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (berkeley-unix) Cc: ofv@wanadoo.es, emacs-devel@gnu.org To: Eli Zaretskii Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Thu Aug 01 11:46:48 2019 Return-path: Envelope-to: ged-emacs-devel@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 1ht7fZ-000p7u-W6 for ged-emacs-devel@m.gmane.org; Thu, 01 Aug 2019 11:46:46 +0200 Original-Received: from localhost ([::1]:54132 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1ht7fY-0003nA-L4 for ged-emacs-devel@m.gmane.org; Thu, 01 Aug 2019 05:46:44 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:40865) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1ht7fG-0003ly-3v for emacs-devel@gnu.org; Thu, 01 Aug 2019 05:46:27 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ht7fF-0003q8-0O for emacs-devel@gnu.org; Thu, 01 Aug 2019 05:46:26 -0400 Original-Received: from mail-io1-xd2e.google.com ([2607:f8b0:4864:20::d2e]:39977) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1ht7fE-0003ps-Qv for emacs-devel@gnu.org; Thu, 01 Aug 2019 05:46:24 -0400 Original-Received: by mail-io1-xd2e.google.com with SMTP id h6so17720534iom.7 for ; Thu, 01 Aug 2019 02:46:24 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ftfl.ca; s=google; h=from:to:cc:subject:references:date:in-reply-to:message-id :user-agent:mime-version; bh=OPODGiqPvdH4auBetFElTgX5LiQTUkBRPsBzs9gwhnI=; b=C4AqK6MwoGTbb4EkTsCnKQ/x62bGuW4vWe1JAe34mf1wmaz7t5vdwxiSHQY9YkTeSh nTzGVSwKriKl+MFjlO4Ilfwg6BGv5QoSSfnw7Wh6PhdnPOXB/6A4KR7kXMPE0wWSxU6S yH+cD0TXrFjLer0X9nTOW/pkyJYXS2hb7rrZ4= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:references:date:in-reply-to :message-id:user-agent:mime-version; bh=OPODGiqPvdH4auBetFElTgX5LiQTUkBRPsBzs9gwhnI=; b=tsVRdeCtdWaS51BQPKOeShqT6SyWAQH1+d8KelPQqxMGejbvozDci8k15fiQdF84bp fX0qq65urhJdeWtenaRJsyeb8oOBsWo3v6y5ASNHkIcHUazcVKbNSgp0ri11Nqbu29RG ZIaPurg47EBO6TLVkAonMEYlV7gZ7J6iwA0tI5i/6tYR2WSGkHzQIJcsykcKAmBzabry I12OZ96pR9dW8v5f+XMlW6+KehvEjZOSE5mmwyGZvPGyJ1MMq/CcFOSsv5TPTIDJntSc kyd8DZY4KIySrjypTnJUMTqsKh2/rfCio/S62PJYYUOOil53kAzKKGsvO5n6aQY1huuE RVIQ== X-Gm-Message-State: APjAAAVKL1LkFYLeHJ7spO0ydFjoh1sWVFxlkoUK63wfHuNe6+4L4uNa NogFJ780//S6q1IdNMKZ4ZcGzMkd X-Google-Smtp-Source: APXvYqx1Lr4iTF4Z5PgzWUvsifzj07RMsg4AMERUKud0ZRM2WxmEECURhAEzBN8ia0jnUdhplK5/HA== X-Received: by 2002:a02:aa1d:: with SMTP id r29mr60358631jam.127.1564652783104; Thu, 01 Aug 2019 02:46:23 -0700 (PDT) Original-Received: from phe.ftfl.ca.ftfl.ca (drmons0544w-142-167-140-18.dhcp-dynamic.fibreop.ns.bellaliant.net. [142.167.140.18]) by smtp.gmail.com with ESMTPSA id n7sm54903961ioo.79.2019.08.01.02.46.21 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Thu, 01 Aug 2019 02:46:21 -0700 (PDT) In-Reply-To: <83zhkthagt.fsf@gnu.org> (Eli Zaretskii's message of "Thu, 01 Aug 2019 05:43:14 +0300") X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:4864:20::d2e X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.org gmane.emacs.devel:239087 Archived-At: --=-=-= Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Eli Zaretskii writes: >> From: Joseph Mingrone >> Date: Wed, 31 Jul 2019 19:27:06 -0300 >> Cc: emacs-devel@gnu.org >> > How many pages of those 1200 you viewed? Do you use PDF-Tools or Doc >> > View? If you execute `garbage-collect' does the memory go down? >> > I'm asking all this because one of the possibilities is a leak on the >> > image handling code. >> I just tried it again and held down 'n' to visit all pages and the >> memory stayed under 500 MB. I am using pdf-tools v0.90. I also just >> tried with >> https://file-examples.com/wp-content/uploads/2017/10/file-example_PDF_1M= B.pdf >> and the memory stayed under 400 MB. I'm somewhat confident that I >> encountered memory issues in an Emacs instance without visiting a PDF >> file. > What image library is used for that? Is it ImageMagick or is it > something else? From=20https://github.com/politza/pdf-tools It uses poppler to render PDFs. "...there is one feature (following links of a PDF document by plain keystrokes) which requires imagemagick=E2=80=99s convert utility." When I woke this morning, memory usage went from about 200-300 MB to about 3 GB overnight. 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