Hetzner has changed their FAQ for shared CPU cloud servers. Similar to AWS they define a CPU baseline (20-33%, depending on server type). If that baseline is permanently exceeded, the CPUs are throttled.
I would think if you have something that needs >20% CPU constantly, you really shouldn't be relying on a shared resource for it in the first place.
To put it in relation we are talking here about less than 15€ per month for 2 dedicated vCPUs/8GB/80GB vs. 5€ per month with half the RAM and HDD. It really doesn't matter.
> Plans (CCX) with dedicated vCPUs have their CPU resources exclusively. Here one vCPU equals one thread of a physical CPU core. Instances with dedicated vCPUs offer continuous and predictable high CPU performance. We recommend them for systems with high production loads and CPU intensive applications. They run on high-performance hardware and come with a generous allocation of I/O and network power.
Of course that implies there is some throttling. But I see nothing about a hard 20% cap.
They added it on Tuesday and removed it today. Fortunately I made a screenshot (from the german version of the page). The support told me exact the same things that has been on the page and the our servers are throttled since >30 days. So it's now hidden but still a fact.
Have you been using 20% sustained for those 30 days?
The surprising thing to me was that you seemed to be saying there was a hard cap of 20% you couldn't ever exceed. I'm not surprised you aren't allowed to use all the shared resources all the time.
A kubernetes master for 9 Nodes on CX21 (old tariff) is using ~25% of memory. So that one was throttled.
Also some of the workers uses >20% on average. Makes no sense to me to book a vServer and not to use it's resources.
If Google translate is correct your link says CPU, not memory. I would be surprised by a memory trottle because I can't think of a sensible way to implement it and for example AWS limits CPU but not memory.
Using 20% is not really "computing". I have some kubernetes masters affected which are "almost idle" but have only 1-2 cores, so the baseline is above 20%...
Yes, oversubscription is the name of the game, for airlines, Internet access, gym memberships, and also cloud-based compute. People don't use things 24/7 so the idea is you can sell more subscriptions than you actually have the resources to support if they actually used it 24/7.
You can buy all of those things in uncontested form (private aircraft, private gym, internet with CIR etc), but you can and should expect to pay more to not have other customers subsidise the cost.