State of the art of European IaaS Compute - Q2 2022 - CPU steal

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CPU steal is a value in percentage representing the amount of time a CPU wasn't able to run a task because hypervisor doesn't permit it. The task could be blocked by the hypervisor's maintenance tasks or other tenant sharing the CPU. In few words and consumer perspective, it says how much of your VM was unavailable because of external factors independent of your willing.

While 0% is the norm, especially with hyperscalers, this doesn't mean it cannot be hidden by the provider. To assert neighbors noise, RAM standard deviation can also be analyzed.

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Note

  • From our understanding CloudSigma's load isn't due to neighborhood but how their hypervisors are designed. At VM creation you allocate an amount of megaHertz and under the OS this value is capped producing this phenomenous.

Cloud Mercato's assertions

  • Most of the Virtual Machines, even if sold as shared instances, have a stolen time below 10%