A2 Hosting Web Run Tests
Runway 2 - Feb 15 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: A2 Hosting
Plan: Runway 2 (Off rankings)
Datacenter: Arizona, USA
Number of CPU cores: 2
CPU type: Intel(R) Xeon(R) Silver 4210R CPU @ 2.40GHz

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 69ms 500ms 97% 0.00% 304 0 5
5 66ms 550ms 86% 0.00% 1504 0 5
10 72ms 450ms 72% 0.00% 5998 6 10
15 71ms 270ms 60% 0.00% 4472 32 5
20 59ms 250ms 47% 0.00% 6008 1 5
25 58ms 210ms 33% 0.00% 7366 134 5
30 56ms 220ms 21% 0.00% 9014 0 5
35 54ms 185ms 9% 0.00% 10268 232 5
40 56ms 250ms 15% 0.00% 10036 1964 5

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