I'm attempting to run Selenium (Chrome) test on 2 servers, each running Windows Server 2019 Standard (with GUI).

The first server (the one with the worst specs) has the following specs:

server 1

It runs Selenium perfectly fine, and can easily run 4 concurrent browsers without any performance issues.

The second server has the following specs:

enter image description here

As soon as it runs 2 browsers concurrently, the OS lags and slows down to being practically unusable.

The RAM and CPU usage are still at a minimum but attempting to open any other program while the browsers are running takes ~20 seconds.

I wonder what's causing this difference? No other programs are running on the servers.

  • What commands do you use to start those two browsers ?
    – Kate
    Commented Jul 17, 2021 at 17:52
  • What about Disk usage at the time?
    – Prome
    Commented Jul 28, 2021 at 11:13
  • @Prome Sorry for the late reply. Disk usage is less than 5%. Commented Sep 27, 2021 at 13:46


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