Amazon Lightsail Web Run Tests
8GB 2cores - Feb 13 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: Amazon Lightsail
Plan: 8GB 2cores
Datacenter: Virginia, USA
Number of CPU cores: 2
CPU type: Intel(R) Xeon(R) CPU E5-2686 v4 @ 2.30GHz

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 61ms 130ms 96% 0.04% 304 0 5
5 56ms 100ms 84% 0.10% 3004 0 5
10 56ms 100ms 69% 0.07% 6004 0 10
15 55ms 100ms 55% 0.08% 4505 0 5
25 56ms 105ms 26% 0.09% 7509 0 5
30 56ms 105ms 11% 0.07% 9014 0 5
35 55ms 105ms 0% 0.02% 10221 279 5
40 55ms 100ms 0% 0.01% 10213 1787 5

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