Vultr Web Run Tests
High Frequency 1GB - Mar 08 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: Vultr
Plan: High Frequency 1GB
Datacenter: Seattle, Washington, USA
Number of CPU cores: 1
CPU type: Intel Core Processor (Skylake, IBRS)

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 140ms 93% 0.01% 304 0 5
5 50ms 110ms 72% 0.02% 1504 0 5
10 51ms 115ms 45% 0.03% 6005 0 10
15 51ms 115ms 18% 0.02% 4504 0 5
18 47ms 105ms 7% 0.01% 5405 0 5
20 49ms 105ms 0% 0.01% 5692 308 5

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