LayerStack Web Run Tests
High Frequency 04 - Dec 03 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: LayerStack
Plan: High Frequency 04 (Off rankings)
Datacenter: Hong Kong, China
Number of CPU cores: 4
CPU type: AMD EPYC Processor (with IBPB)

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 49ms 125ms 98% 0.05% 304 0 5
5 49ms 110ms 92% 0.08% 1504 0 5
10 48ms 105ms 86% 0.11% 6004 0 10
15 45ms 96ms 80% 0.14% 4505 0 5
30 47ms 98ms 62% 0.21% 9014 0 5
50 47ms 100ms 36% 0.21% 15022 0 5
70 48ms 105ms 11% 0.19% 21032 0 5
80 46ms 100ms 2% 0.12% 24037 0 5
90 44ms 98ms 1% 0.07% 25168 1832 5

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