Alwyzon Web Run Tests
Virtual Server S - Nov 17 2022

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Web Run tests are made of a load test tool and a database intensive Rails web application.

The load test tool sends HTTP requests to the web application at a controlled rate and records HTTP response codes, response latencies and timeouts. The load test tool is multithreaded and runs on the same VPS where the web application runs.

The intent is to measure:

  • the response times (latency) of the web server
  • the amount of CPU used to serve those requests under various load levels
  • what's the maximum load at which 100% requests are served without timing out.

Provider: Alwyzon
Plan: Virtual Server S
Datacenter: Vienna, Austria
Number of CPU cores: 3
CPU type: AMD EPYC 7543P 32-Core Processor

Web Runs by request rate


Note: the P99 is the 99th percentile. The P99 latency is the latency of the 1% slowest HTTP requests in the web run.


Rate (reqs/s) Average Latency P99 Latency CPU idle CPU steal Successful requests Timed out requests Duration (minutes)
1 42ms 110ms 98% 0.01% 304 0 5
5 38ms 105ms 92% 0.01% 1504 0 5
10 38ms 110ms 85% 0.01% 6005 0 10
15 37ms 110ms 79% 0.02% 4504 0 5
30 37ms 110ms 59% 0.01% 9012 0 5
50 37ms 110ms 33% 0.02% 15023 0 5
70 37ms 110ms 8% 0.02% 21033 0 5
80 37ms 110ms 1% 0.01% 22569 1431 5

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