Vultr Web Run Tests
Regular 8GB 4 cores - Jan 23 2022

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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: Vultr
Plan: Regular 8GB 4 cores
Datacenter: Seattle, Washington, USA
Number of CPU cores: 4
CPU type: Intel Xeon Processor (Cascadelake)

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 52ms 155ms 98% 0.00% 304 0 5
5 50ms 145ms 93% 0.00% 1504 0 5
10 46ms 125ms 87% 0.00% 6005 0 10
15 45ms 120ms 81% 0.00% 4504 0 5
30 46ms 125ms 62% 0.00% 9014 0 5
50 46ms 135ms 38% 0.00% 15022 0 5
70 48ms 145ms 11% 0.01% 21028 0 5
80 49ms 145ms 2% 0.01% 23000 1000 5
90 49ms 145ms 3% 0.01% 22980 4020 5

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