CPU or Central Processing Unit is the brain of any computer and its main responsibility is processing all the tasks required by the running applications.
CPU Utilization is a key metric in performance testing which measures the percentage of time the CPU spends executing a task.
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One of the most crucial tasks to do when running a performance test is to monitor the resource utilization. There are four key areas to keep an eye on:
- CPU (Central Processing Unit)
- Memory
- Disk
- Network
Actual CPU utilization may vary since certain tasks may require a heavier CPU time while others require less due to non-CPU resource requirements.
What Does CPU Usage Mean?
CPU percent utilization represents how much of the total CPU’s processing power is currently being utilized.
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The CPU usage may increase with running performance tests with a higher number of virtual concurrent users.
There are requests that can be handled easily with the CPU usage between 1% and 5%, and other heavier requests with CPU utilization between 80%-100%.
Written by Bogdan Vazzolla.
LoadFocus is a cloud testing platform, a load and stress testing tool which provides the infrastructure to run tests with thousands of concurrent users, from multiple cloud locations, in less than a few minutes, keep history of the results, compare different runs to inspect performance improvements or performance degradation. It also supports running JMeter load tests from the cloud and monitoring and audit web and mobile performance.
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