[oi-dev] How many CPUs does OI support?

[Chris]

On 2021-01-08 08:39, Andreas Wacknitz wrote:
> Am 08.01.21 um 17:15 schrieb Chris:
>> On 2021-01-08 01:17, Joshua M. Clulow via oi-dev wrote:
>>> On Thu, 7 Jan 2021 at 23:53, Chris <oidev at bsdos.info> wrote:
>>>> I'm looking to help building packages. Both current, as
>>>> well as newer versions. I have a large server farm. But
>>>> primarily BSD based. As such I'm looking into a new build
>>>> box, based on an Opteron or Xeon. So before I take the
>>>> plunge. I was hoping to add as many CPU/cores as possible.
>>>> Which begs the question: haw many CPUs does OI support?
>>> 
>>> I don't think you'll be able to buy a machine with more CPUs than we
>>> support in illumos.  I've personally used older HP machines with 4 CPU
>>> sockets and thus a lot of cores, and modern AMD systems which have a
>>> still surprising number of cores in one or two packages.
>>> 
>>> In the unlikely event that you hit a problem based on core count, I am
>>> sure it will just be a bug that can be fixed.
>> OK so 4 sockets @16 cores/ea, or 2 sockets @64 cores/ea won't be a
>> problem then.
>> Thanks for the reply! :-)
>> Time to go shopping.
>> 
>> 
>> --Chris
>>> 
>>> 
>>> Cheers.
>> 
> Tell us when your server exceeds 384 Cores / 3072 Threads. AFAIK that's
> what actual Fujitsu/Oracle M12 provide at max. :D
Sweeeeeet! :-)
TBH the only reason I brought it up was that we had a similar question on
one of the FreeBSD lists. Where they had difficulty exceeding 96 on a 128.
I've forgotten whether it turned out to be config of (actual) limitation.
Mind you that was BSD. But given the shared heritage, it seemed an
appropriate question.
Thanks for the stats. Maybe I should give Fujitsu a look. :-)

--Chris
> 
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~40yrs of UNIX and counting