Hetzner Sustained CPU Endurance Run
CX23 - Aug 28 2026

Go to Hetzner



The sustained CPU endurance test runs a cpu intensive task in a loop for 24 hours. As maxing out the cpu might be considered abusive, the tests aims to use no more than 50% of each cpu core on the VPS.

The purpose of this type of test is

  • first to evaluate the speed to the VPS,
  • second to evaluate the stability over time of the cpu available to the VPS
  • and third to detect VPS where the CPU is throttled and the performance goes down over time after cpu utilization goes over a threshold the provider considers excessive for a particular plan.

The performance is measured at regular intervals in terms of tasks executed per hour, amount of idle cpu and amount of "cpu steal".

Provider: Hetzner
Plan: CX23
Number of CPU cores: 2
Burstable CPU resources: no
CPU type: Intel Xeon Processor (Skylake, IBRS, no TSX)


Number of tasks completed per hour




Date Number of iterations per hour CPU Idle % CPU Steal %
August 29, 2026 04:00 UTC 3730 48.42 0.0
August 29, 2026 02:00 UTC 3726 48.86 0.0
August 29, 2026 00:00 UTC 3729 49.03 0.0
August 28, 2026 22:00 UTC 3810 48.93 0.0

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