[csw-maintainers] Buildfarm setup - documentation

Dagobert Michelsen dam at opencsw.org
Thu Oct 3 19:27:13 CEST 2013


Hi Peter,

Am 03.10.2013 um 16:12 schrieb Peter FELECAN <pfelecan at opencsw.org>:
> Dagobert Michelsen <dam at opencsw.org> writes:
>> Am 03.10.2013 um 15:57 schrieb Peter FELECAN <pfelecan at opencsw.org>:
>>> Dagobert Michelsen <dam at opencsw.org> writes:
>>>> Adding another ISA as option will probably take quite some time.
>>>> Peter, do you think your use case is common enough to justify the
>>>> extra work for Yann? Would using a VM on a more modern machine
>>>> be also possible?
>>> 
>>> Using a VM, even on modern machine, has it's own inconvenients and,
>>> frankly, who can imagine a build farm on VMs? It requires bare metal for
>>> a lot of reasons.
>> 
>> Umh, the buildfarm you use runs on VMs ;-) That include all *x hosts.
>> What reasons do you have in mind preventing running a farm on
>> virtualized environments?
> 
> I know that. And suffer from that, don't get me wrong but at least on
> i386 the build times are often one order of magnitude slower than on my
> similar bare metal on which, of course, I'm alone. It's often more easier
> to get a bunch of oldish bare metal than have a server capable of
> well supporting VMs at a reasonable performance. And I'm not even
> mentioning SPARC bare metal versus virtualization for which I have not
> enough experience.

Ah yes, I can understand that, especially that you are often working on
very large sets of packages like texlive or qt4.

> Anyhow, the point is not this, the point is that we have stuff which
> doesn't run on the lowest denominator that we support and that can be
> quite surprising, even for me.

This is also very true. IIRC we raised the general build level to
PentiumPro, but as we didn't have negative feedback on openssl before
I would like to hear some more feedback. Maybe we can have some more thoughts
on the base cpu level for x86 from other maintainers?


Best regards

  -- Dago


-- 
"You don't become great by trying to be great, you become great by wanting to do something,
and then doing it so hard that you become great in the process." - xkcd #896

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