UpCloud Web Run Tests
16GB 6 cores - Jun 03 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: UpCloud
Plan: 16GB 6 cores
Datacenter: New York, USA
Number of CPU cores: 6
CPU type: AMD EPYC 7542 32-Core Processor

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 57ms 155ms 98% 0.00% 304 0 5
5 55ms 145ms 94% 0.00% 1504 0 5
10 49ms 130ms 90% 0.00% 6004 0 10
15 50ms 135ms 86% 0.00% 4503 0 5
30 50ms 135ms 72% 0.00% 9015 0 5
60 50ms 130ms 47% 0.00% 18027 0 5
90 48ms 130ms 22% 0.00% 27040 0 5
110 48ms 125ms 5% 0.00% 33047 0 5
120 48ms 125ms 0% 0.00% 35281 719 5
130 49ms 130ms 0% 0.01% 34764 4236 5

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