Kamatera Web Run Tests
General 8GB 4 cores - May 15 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: Kamatera
Plan: General 8GB 4 cores
Datacenter: Toronto, Canada
Number of CPU cores: 4
CPU type: Intel(R) Xeon(R) Gold 6150 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 89ms 260ms 97% 0.00% 304 0 5
5 80ms 150ms 88% 0.00% 3004 0 5
10 81ms 155ms 76% 0.00% 6004 0 10
15 79ms 150ms 66% 0.00% 4504 0 5
25 85ms 165ms 43% 0.00% 7509 0 5
40 80ms 165ms 17% 0.00% 12018 0 5
45 57ms 155ms 33% 0.00% 13519 0 5
50 69ms 185ms 19% 0.00% 14190 810 5

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