Contabo Web Run Tests
VPS XL NVMe - Mar 08 2023

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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: Contabo
Plan: VPS XL NVMe (Off rankings)
Datacenter: Germany
Number of CPU cores: 10
CPU type: AMD EPYC 7282 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 129ms 925ms 98% 0.31% 304 0 5
5 93ms 270ms 94% 0.46% 1504 0 5
10 86ms 250ms 69% 0.71% 6005 0 10
15 85ms 250ms 42% 0.64% 4505 0 5
20 87ms 260ms 39% 1.78% 6008 0 5
30 87ms 280ms 35% 1.65% 9015 0 5
45 89ms 290ms 55% 6.04% 13517 0 5
70 93ms 330ms 29% 10.66% 21032 0 5
90 89ms 290ms 14% 7.92% 27040 0 5
100 89ms 310ms 4% 5.34% 29990 10 5
110 91ms 330ms 0% 7.91% 30971 2029 5
120 87ms 300ms 0% 7.16% 32182 3818 5

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