Date: Fri, 15 Dec 2017 18:38:48 +0100 From: Wolfram Schneider <wosch@freebsd.org> To: David Wolfskill <david@catwhisker.org>, Wolfram Schneider <wosch@freebsd.org>, freebsd-current <freebsd-current@freebsd.org> Subject: Re: /usr/obj is 11GB huge on FreeBSD 12-current Message-ID: <CAMWY7CCOWmDzfPEZNTdxNCPO8JA46h98GrJPBd11un6Pn%2BaFhg@mail.gmail.com> In-Reply-To: <CAMWY7CCWZ8RkprECMnPsAJy-3vfzdy50u0Zq4BGyCexKoEan%2Bg@mail.gmail.com> References: <CAMWY7CDoF9LWJiz1wB7XWUtKsvk6QJGvH=yrUCh9FnRoG4y7EA@mail.gmail.com> <20171215120243.GB1179@albert.catwhisker.org> <CAMWY7CCWZ8RkprECMnPsAJy-3vfzdy50u0Zq4BGyCexKoEan%2Bg@mail.gmail.com>
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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) -Wolfram > Can we agree that the obj tree should not grow from 5GB to 10GB for > the next release? > > -Wolfram > > -- > Wolfram Schneider <wosch@FreeBSD.org> https://wolfram.schneider.org -- Wolfram Schneider <wosch@FreeBSD.org> https://wolfram.schneider.org
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