Amazon Lightsail Web Run Tests
1GB 2cores - Dec 28 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: Amazon Lightsail
Plan: 1GB 2cores
Datacenter: Oregon, USA
Number of CPU cores: 1
CPU type: Intel(R) Xeon(R) CPU E5-2676 v3 @ 2.40GHz

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 77ms 430ms 92% 0.03% 301 3 5
5 57ms 145ms 68% 0.08% 1504 0 5
10 54ms 140ms 40% 0.05% 6005 0 10
15 52ms 140ms 14% 0.05% 4504 0 5
18 53ms 140ms 0% 0.18% 5208 48 5
20 53ms 140ms 0% 0.02% 5208 792 5

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