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javascriptseleniumload-testingwebui
Swapnil H
Swapnil H

Reputation: 1

Load testing of Web UI for 20K users

I have developed automation scripts for end to end workflows using selenium webdriver io for my web application. I want to use same scripts for load testing. My requirement is to test web UI along with backend APIs for 20K users. Can you please suggest how I can achieve it with Selenium?

Upvotes: 0

Views: 119

Answers (1)

Dmitri T
Dmitri T

Reputation: 168247

For 20K users you will need 20k browsers, for 20k browsers you will need I don't know how many in reality, but looking into Firefox 87 system requirements:

  • a CPU core per browser instance
  • 2 GB of RAM per browser instance

If you have such a supercomputer somewhere or possess a budget to kick off that many machines in cloud - you can scale your Selenium tests using i.e. K8S cluster

However it might be a better idea considering converting your Selenium tests into HTTP-protocol-based load tests, the majority of load testing tools provide HTTP Proxy server for recording tests so you can replay your Selenium tests via this proxy and get them converted into a load testing tool script.

Protocol-based tests have much smaller footprint in terms of CPU and RAM so you should be able to use reasonably small hardware for conducting your tests.

Upvotes: 0

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