Date: Fri, 15 Dec 2017 20:20:52 +0100 From: Wolfram Schneider <wosch@freebsd.org> To: Konstantin Belousov <kostikbel@gmail.com>, Wolfram Schneider <wosch@freebsd.org> Cc: David Wolfskill <david@catwhisker.org>, freebsd-current <freebsd-current@freebsd.org> Subject: Re: /usr/obj is 11GB huge on FreeBSD 12-current Message-ID: <CAMWY7CBEd5hv5PNDe_=acxLXsBUw56b=u=%2BH%2BAGxFUD2XCfXmA@mail.gmail.com> In-Reply-To: <20171215183928.GO2272@kib.kiev.ua> References: <CAMWY7CDoF9LWJiz1wB7XWUtKsvk6QJGvH=yrUCh9FnRoG4y7EA@mail.gmail.com> <20171215120243.GB1179@albert.catwhisker.org> <CAMWY7CCWZ8RkprECMnPsAJy-3vfzdy50u0Zq4BGyCexKoEan%2Bg@mail.gmail.com> <CAMWY7CCOWmDzfPEZNTdxNCPO8JA46h98GrJPBd11un6Pn%2BaFhg@mail.gmail.com> <20171215183928.GO2272@kib.kiev.ua>
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On 15 December 2017 at 19:39, Konstantin Belousov <kostikbel@gmail.com> wrote: > On Fri, Dec 15, 2017 at 06:38:48PM +0100, Wolfram Schneider wrote: >> On 15 December 2017 at 17:51, Wolfram Schneider <wosch@freebsd.org> wrote: >> > On 15 December 2017 at 13:02, David Wolfskill <david@catwhisker.org> 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 -Wolfram -- Wolfram Schneider <wosch@FreeBSD.org> https://wolfram.schneider.org
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