Kamatera Web Run Tests
General 8GB 4 cores - Mar 19 2021

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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: Kamatera
Plan: General 8GB 4 cores
Datacenter: Toronto, Canada
Number of CPU cores: 4
CPU type: Intel(R) Xeon(R) Platinum 8270 CPU @ 2.70GHz

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 92ms 260ms 96% 0.00% 304 0 5
5 86ms 190ms 86% 0.00% 1504 0 5
10 86ms 190ms 74% 0.00% 6005 0 10
15 86ms 195ms 62% 0.00% 4504 0 5
25 84ms 190ms 42% 0.00% 7509 0 5
40 87ms 205ms 11% 0.00% 12017 0 5
45 84ms 205ms 3% 0.00% 13337 163 5
50 76ms 195ms 4% 0.00% 14564 436 5
60 76ms 205ms 2% 0.00% 14833 3167 5

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