Re: Huge build times increase after updating from 14.3 to 14.4

On 2026-03-16 19:18:45 (+0800), Mark Millard wrote:
> On 3/15/26 21:18, Philip Paeps wrote:
>> On 2026-03-13 21:53:48 (+0800), Olivier Certner wrote:
>>> You are likely hitting a known problem, see thread "performance
>>> regressions in 15.0".  E.g., just picked one mail saying what I 
>>> also
>>> personally think about it:
>>> https://lists.freebsd.org/archives/freebsd-current/2025-
>>> December/009623.html
>>> (arguably, some RAM factories have burnt out for retail consumers
>>> since then...)
>>>
>>> AFAIK, the default was never switched back, but if you're building
>>> from source, a new knob was added to recover the previous behavior, 
>>> see:
>>> https://cgit.freebsd.org/src/commit/?id=8d5a11cd0137d3ad
>>
>> Does this affect the package builders? 
>
> Yes for the 15.* jails, the main jails [so: 16.0], and the future 
> 14.4+
> jails.
>
> (The 13.5 jails and the 14.3 jails do not have the problem.)
>
>> Does that build fix go in the
>> host or in the build jails?
>
> What primarily matters is how the world put in the build-jail was 
> built.

pkgmgr controls the build jails.  I don't think they use clusteradm 
images in the jails.  We only supply the host operating system.

Cc: Antoine.

Philip