netcup Sustained CPU Endurance Run
VPS 1000 G10 - Aug 27 2023

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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: netcup
Plan: VPS 1000 G10
Number of CPU cores: 6
Burstable CPU resources: no
CPU type: QEMU Virtual CPU version 2.5+


DescriptionValue
Target CPU usage Overall CPU that the endurance test tries to use across all CPU cores on the VM. 50%
Average iterations per hour Average number of tasks executed per hour. It represents how much work the VPS was able to achieve per hour. Higher numbers are better. 6843
Coefficient of variation iterations per hour This represents the dispersion of the number of tasks per hour. It's the standard deviation divided by the mean number of tasks per hour. It's an indicator on stability of the performance of the VPS. A low standard deviation means the VPS speed stayed close to constant. A high standard deviation means performance varied significantly during the test. 6.38%
Average CPU idle Average percentage of CPU that was idle during the test. This number should be close to 50% unless the CPU is being throttled like in burstable VPS plans. 49.8%
Min CPU idle Minimum percentage of CPU idle during the test. 49.2%
Average CPU steal Average percentage of CPU steal during the test. Lower is better. 0.58%
Max CPU steal Maximum percentage of CPU steal during the test. 0.69%


Number of tasks completed per hour




Date Number of iterations per hour CPU Idle % CPU Steal %
August 29, 2023 00:00 UTC 6969 52.9 0.52
August 28, 2023 22:00 UTC 7236 49.83 0.55
August 28, 2023 20:00 UTC 7289 49.84 0.54
August 28, 2023 18:00 UTC 7061 49.84 0.57
August 28, 2023 16:00 UTC 6659 49.83 0.59
August 28, 2023 14:00 UTC 6685 49.83 0.58
August 28, 2023 12:00 UTC 6734 49.83 0.58
August 28, 2023 10:00 UTC 6213 49.78 0.62
August 28, 2023 08:00 UTC 6505 49.78 0.6
August 28, 2023 06:00 UTC 6392 49.82 0.6
August 28, 2023 04:00 UTC 6879 49.83 0.56
August 28, 2023 02:00 UTC 7370 49.84 0.54
August 28, 2023 00:00 UTC 7480 49.7 0.54

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