[Cake] new 12 core box

[Dave Taht]

On Sun, Dec 3, 2017 at 9:04 AM, Dave Taht <dave.taht at gmail.com> wrote:
> On Sun, Dec 3, 2017 at 3:37 AM, Pete Heist <peteheist at gmail.com> wrote:
>>
>> On Dec 2, 2017, at 11:10 PM, Dave Taht <dave.taht at gmail.com> wrote:
>>
>> Linux spaceheater 4.15.0-rc1-cake-5 #1 SMP PREEMPT Sat Dec 2 12:50:23
>> PST 2017 x86_64 x86_64 x86_64 GNU/Linux
>>
>> I had all kinds of trouble trying to install anything later than
>> ubuntu 16.04.3 on it.
>>
>> A kernel build still took an hour, and it turns out that time is
>> dominated by the single threaded debian packager, where less cores at
>> more clock would help. Still have time for naps, except that it's so
>> loud to require earplugs.
>>
>>
>> I like the name. “dornierdox” doesn’t have the same smooth ring:
>> https://en.wikipedia.org/wiki/Dornier_Do_X (Powerplant: 12× Curtiss
>> Conqueror water-cooled V12)
>
> Heh. I had not heard of that plane. Ceiling, 500 feet.

"As a result of its size, passengers were asked to crowd together on
one side or the other to help make turns. "

very apt analogy for these mailing lists!

"
"

>>Who decides to build that?
>
> Howard Hughes?
>
> https://en.wikipedia.org/wiki/Hughes_H-4_Hercules
>
>
>>
>> I still think a box like that will be useful for veth testing.
>
> I put it through some paces last night, trying 4Gbit workloads.
>
>>
>> I’ve been really happy with the 2x APU2 you suggested, for their four cores
>> and silence. I even think 2-3 more of them could be useful for different
>> testing topologies as we discussed.
>
> I like them a lot, too. We have to come up with a test that uses up 3
> ethernet ports...
>
>> Next time though, I won’t futz around
>> when attaching the heat spreader, just fix the thermal adhesive, mount it to
>> the board straight away and be careful not to twist anything. First attempt:
>> apu2a. Got it right: apu2b. The second box is consistently 5C cooler, though
>> both are well within spec, usually under 65C under full load.
>>
>> sysadmin at apu2a:~$ sensors
>> k10temp-pci-00c3
>> temp1:        +52.4°C  (high = +70.0°C)
>>                        (crit = +105.0°C, hyst = +104.0°C)
>>
>> sysadmin at apu2b:~$ sensors
>> k10temp-pci-00c3
>> temp1:        +46.6°C  (high = +70.0°C)
>>
>
> I'll go install that. I have an old custom version of lede on two of 'em..
>
> --
>
> Dave Täht
> CEO, TekLibre, LLC
> http://www.teklibre.com
> Tel: 1-669-226-2619



-- 

Dave Täht
CEO, TekLibre, LLC
http://www.teklibre.com
Tel: 1-669-226-2619