Kamatera Web Run Tests
Availability 16GB 8 cores - Jun 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: Availability 16GB 8 cores
Datacenter: Toronto, Canada
Number of CPU cores: 8
CPU type: Intel(R) Xeon(R) Gold 6258R 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 55ms 190ms 99% 0.00% 304 0 5
5 49ms 110ms 96% 0.00% 1504 0 5
10 48ms 110ms 92% 0.00% 6005 0 10
15 47ms 110ms 89% 0.00% 4505 0 5
30 47ms 110ms 79% 0.00% 9014 0 5
60 47ms 110ms 61% 0.00% 18027 0 5
100 48ms 110ms 36% 0.00% 30045 0 5
140 48ms 110ms 12% 0.00% 42065 0 5
160 50ms 115ms 2% 0.00% 45137 2863 5
180 49ms 115ms 2% 0.00% 45973 8027 5

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