From owner-freebsd-current@freebsd.org Sat Dec 16 16:50:10 2017 Return-Path: Delivered-To: freebsd-current@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id D6084E87B89 for ; Sat, 16 Dec 2017 16:50:10 +0000 (UTC) (envelope-from wschnr@googlemail.com) Received: from mail-yb0-x230.google.com (mail-yb0-x230.google.com [IPv6:2607:f8b0:4002:c09::230]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 8A6F36A3EE; Sat, 16 Dec 2017 16:50:10 +0000 (UTC) (envelope-from wschnr@googlemail.com) Received: by mail-yb0-x230.google.com with SMTP id w1so521859ybe.10; Sat, 16 Dec 2017 08:50:10 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=googlemail.com; s=20161025; h=mime-version:sender:in-reply-to:references:from:date:message-id :subject:to:cc; bh=yxo3lbVn3n+rxr1FSHGVxWy64cb4iDt9cnRACEm+m3w=; b=W1Fcw2iyIv3X8P3AReX/XGX2HxuUMTNUQlnm5BUnHabOCsoCi/5w72wuNRw0B1v8Tu EUjigyNQeuFRDaIczAazNyJau8GgP/mvUnWlM5cFsIefybM7yxmmbzYG68jsbywLjbxa USFWSl16RV1gG5uS+iT8P2atpp3vJ4Sgoy+ARqG3suVkj26tWQSbYFgyvabkgBpgMqdJ D8R15HhSI1Vob0Ljt0RDmfOQByGKeTsKZTEQYtY/4o2HYR34lDTE8VFHfK9MBNF+PaHa 2yFXPzJYlEW8xqzucdYe41vNuAPjX4THQ7CM1ScF1B1Khi44qjqeXO9nN2YlI9Zvp5Wi 758g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:sender:in-reply-to:references:from :date:message-id:subject:to:cc; bh=yxo3lbVn3n+rxr1FSHGVxWy64cb4iDt9cnRACEm+m3w=; b=qNl3s3I0HOskVK5t89GtbvA2JyuLQnLMZKuo1nFWD/elkhcVHOefKZqLHBNXqOpMbw rEeE/D/OxzGmeDutjXxiZg2GekwSyan9leHWedTAiziVljG5H372d9DfaUyOdjNkAyrv dHxQoEq/jNNJg+udGK0ohPSMrcfY9dGIBbYq5OVjttMn9i3PZSoNwEiktTegJUf6eXFs UjEnEymMbopWazNZwsBnoaAJTAgMGDPajjQNMCL39K4BBRGODit1gLisau5k9p9Ji9M8 wKjIBlEoJLVm8eom/kRYLRzgVQGWLcKM+BLcYJJRZL3Aqb+36/Lzy5aOarDcuEig3Hnd iR1g== X-Gm-Message-State: AKGB3mKaIr7PmO6W56b1hQTtyroBFtdFcOKUBE+Sejj9Z0wOt8cD1hU7 4c0MjxyOtAKZWxt0jSgIcfGVj/xpl4sxrIh6rsS86w== X-Google-Smtp-Source: ACJfBovWI7BRyHhh0tG3PRTe4NLOw9QD6xAE4V9hNkkWHN/jUa3orG6daHpaW3kG654YFy3B6Qa7W+srSB1ankii4UU= X-Received: by 10.13.248.2 with SMTP id i2mr10413498ywf.448.1513443009320; Sat, 16 Dec 2017 08:50:09 -0800 (PST) MIME-Version: 1.0 Sender: wschnr@googlemail.com Received: by 10.37.9.80 with HTTP; Sat, 16 Dec 2017 08:49:53 -0800 (PST) In-Reply-To: References: <20171215120243.GB1179@albert.catwhisker.org> <20171215183928.GO2272@kib.kiev.ua> From: Wolfram Schneider Date: Sat, 16 Dec 2017 17:49:53 +0100 X-Google-Sender-Auth: j4bS5yZifqateXMef8hzOMlVhtg Message-ID: Subject: Re: /usr/obj is 11GB huge on FreeBSD 12-current To: Konstantin Belousov , Wolfram Schneider Cc: David Wolfskill , freebsd-current Content-Type: text/plain; charset="UTF-8" X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.25 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 16 Dec 2017 16:50:10 -0000 On 15 December 2017 at 20:20, Wolfram Schneider wrote: > On 15 December 2017 at 19:39, Konstantin Belousov wrote: >> On Fri, Dec 15, 2017 at 06:38:48PM +0100, Wolfram Schneider wrote: >>> On 15 December 2017 at 17:51, Wolfram Schneider wrote: >>> > On 15 December 2017 at 13:02, David Wolfskill wrote: >>> >> On Fri, Dec 15, 2017 at 10:12:09AM +0100, Wolfram Schneider wrote: >>> >>> Hi, >>> >>> >>> >>> I upgraded a machine from 11-stable to 12-current. The /usr/obj tree >>> >>> is now 11GB huge: >>> >>> >>> >>> FreeBSD 12-current >>> >>> $ du -hs /usr/obj >>> >>> 11G /usr/obj >>> >>> >>> >>> on FreeBSD 11-stable it was less the size: >>> >>> $ du -hs /usr/obj >>> >>> 5.6G /usr/obj >>> >>> >>> >>> this is a problem when you have a small VM with 20GB disk space or less. >>> >>> >>> >>> Is there a way to use less /usr/obj disk space during build? I know >>> >>> that we have to do some bootstrapping for newer compiler tools, but >>> >>> does we need to keep all temp files during the build? >>> >> >>> >> There was a change near the beginning of November; please see UPDATING >>> >> entry 20171101 -- you probably have several no-longer-used >>> >> subdirectories under /usr/obj/usr/src/. >>> >> >>> >> Once those are cleared out, my experience (tracking stable/11 & head in >>> >> different slices on the same machines) is that stbale/11 is using about >>> >> 5.0G, while head uses about 6.1G. >>> > >>> > I think the suspect directories are "tmp" and "obj-lib32", together >>> > they are 4.1GB huge. >>> > >>> > I will run a build of current again with a clean obj tree (-current on >>> > a recent -current). Let's see. >>> >>> I run a test on universe12b (FreeBSD 12.0-CURRENT #0 r325426: Sun Nov >>> 5) with an empty obj directory. >>> >>> `make buildworld' creates 9.7GB of obj data. After running `make >>> buildkernel' it will grow to 12GB. This is on a ZFS filesystem (my >>> original report was on UFS) >> >> Most likely reason of the bump is generation of debugging data, turned on >> for 12. Another not usable thing to disable are tests and profile libraries. >> Put the following into /etc/src.conf: >> WITHOUT_PROFILE=yes >> WITHOUT_DEBUG_FILES=yes >> WITHOUT_TESTS=yes > > Hi Konstantin, > > I tried these 3 variables and the results looks much better, down to > 5.1GB from 12GB. Many thanks! > > $ du -hs obj* > 12G obj-debug > 5.1G obj-nodebug I did another test which of the WITHOUT_* variables saves most of the space 5.5G obj-WITHOUT_DEBUG_FILES (6.5GB less) 10G obj-WITHOUT_LIB32 (2GB less) 11G obj-WITHOUT_PROFILE (1GB less) 12G obj-WITHOUT_TESTS if you are short on disk space (e.g. a small VM with SSD drive), you should compile with $ export WITHOUT_DEBUG_FILES=YES; make buildworld -Wolfram -- Wolfram Schneider https://wolfram.schneider.org