That sounds like normal Linux workload (most cores fairly idle).
I think the poll mode drivers keep all the CPU cores 100% busy when doing VPP, resulting in more power use?
--
Swimmingly,
Joe
swimgeek.com/blog +27 82 562 6167 instagram.com/joe.swimgeek
"...all progress depends on the unreasonable man.”
> On 01 May 2024, at 18:54, Edrich de Lange
edd@edd.za.net wrote:
>
> I just had a look at a dell r630 with 2 x Intel(R) Xeon(R) CPU E5-2697 v3 @ 2.60GHz
>
> At a moderate workload, (VMs)
> With 2 x spinning disks for boot disks
>
> 1 x dual port 10G card.
>
> Power draw : currently 125W, peak of last 24 hours, 135W
>
> So it sounds ok
>
> I guess if you are going to run 16 x 10G ports as suggested it may draw a bit more :-)
>
> Kind regards
>
> Edd
>
> On 1 May 2024, at 18:01, Joe Botha via zanog-discuss wrote:
>
>> Hi
>>
>> 120W seems pretty low power.
>>
>> Last time I checked 8 core Xeon D uses around 85 Watt when doing basic Linux routing at low-ish speeds.
>>
>> Always figured VPP would be much more power hungry? keeping all the cores busy all the time.
>>
>> --
>> Swimmingly,
>> Joe
>>
>> swimgeek.com/blog +27 82 562 6167 instagram.com/joe.swimgeek
>> "...all progress depends on the unreasonable man.”
>>
>>
>>
>>
>>> On 25 Apr 2024, at 11:10, Nishal Goburdhan via zanog-discuss
zanog-discuss@lists.nog.net.za wrote:
>>>
>>> On 27 Mar 2024, at 11:16, Pim van Pelt via zanog-discuss wrote:
>>>
>>>> But just to re-iterate: any PC with an Intel Xeon D or E, or AMD Zen3+ will do absolutely fine. Some folks may want more PCI slots or dual PSU, so a fine alternative that I also run in production is the *Dell R630* [link
https://i.dell.com/sites/doccontent/shared-content/data-sheets/en/documents/dell-poweredge-r630-spec-sheet.pdf ] because it allows for up to 16x10G at line rate, using ~120W. In case you want to binge watch some VPP materials - take a look at my [NOG recordings]
https://video.ipng.ch/c/ipngnetworks/videos?s=1 .
>>>>
>>>
>>> for those following this, thread, thanks pim for posting your talk from last week’s GRNOG :
>>>
https://video.ipng.ch/w/nnYWXW3Gw9dA7kWGswf1g1
>>>
>>>
>>> -n.
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>>
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