Amazon Lightsail Web Run Tests
2GB 1core - Dec 23 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: 2GB 1core
Datacenter: Virginia, USA
Number of CPU cores: 1
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 56ms 120ms 93% 0.02% 304 0 5
5 54ms 120ms 70% 0.04% 1504 0 5
10 54ms 115ms 41% 0.09% 6004 0 10
15 52ms 115ms 15% 0.03% 4504 0 5
18 52ms 115ms 0% 0.05% 5295 105 5
20 53ms 115ms 0% 0.04% 5256 744 5

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