Scaleway Web Run Tests
DEV1-L - Apr 06 2020

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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: Scaleway
Plan: DEV1-L
Datacenter: Paris, France
Number of CPU cores: 4
CPU type: AMD EPYC 7281 16-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 144ms 825ms 95% 0.36% 304 0 5
5 127ms 240ms 82% 1.05% 3004 0 5
10 123ms 225ms 66% 1.67% 6005 0 10
15 112ms 220ms 54% 0.85% 4505 0 5
25 106ms 205ms 30% 0.36% 7508 0 5
35 105ms 210ms 4% 0.33% 10513 0 5
40 102ms 205ms 0% 0.30% 11229 771 5

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