Re: /usr/obj is 11GB huge on FreeBSD 12-current

From: Wolfram Schneider <wosch_at_freebsd.org>
Date: Fri, 15 Dec 2017 17:51:07 +0100
On 15 December 2017 at 13:02, David Wolfskill <david_at_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.

Can we agree that the obj tree should not grow from 5GB to 10GB for
the next release?

-Wolfram

-- 
Wolfram Schneider <wosch_at_FreeBSD.org> https://wolfram.schneider.org
Received on Fri Dec 15 2017 - 15:51:23 UTC

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