ScalaHosting Sustained CPU Endurance Run
6 cores 12GB - Aug 25 2022

Go to ScalaHosting



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: ScalaHosting
Plan: 6 cores 12GB
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. 9200
Coefficient of variation iterations per hour This represents the dispersion of the number of tasks per hour. It's the standard variation 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. 4.88%
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. 49.9%
Min CPU idle Minimum percentage of CPU idle during the test. 49.6%
Average CPU steal Average percentage of CPU steal during the test. Lower is better. 0.01%
Max CPU steal Maximum percentage of CPU steal during the test. 0.06%


Number of tasks completed per hour




Date Number of iterations per hour CPU Idle % CPU Steal %
August 27, 2022 00:00 UTC 8493 59.21 0.01
August 26, 2022 22:00 UTC 8506 49.84 0.03
August 26, 2022 20:00 UTC 8543 49.81 0.03
August 26, 2022 18:00 UTC 8508 49.82 0.02
August 26, 2022 16:00 UTC 9081 49.84 0.01
August 26, 2022 14:00 UTC 9461 49.88 0.0
August 26, 2022 12:00 UTC 9468 49.88 0.0
August 26, 2022 10:00 UTC 9499 49.86 0.0
August 26, 2022 08:00 UTC 9513 49.87 0.0
August 26, 2022 06:00 UTC 9467 49.87 0.0
August 26, 2022 04:00 UTC 9502 49.87 0.0
August 26, 2022 02:00 UTC 9525 49.88 0.0
August 26, 2022 00:00 UTC 9493 49.85 0.0

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