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A simple script which demonstrates benchmarking Centrifugo with k6. You can use it as a starting point.

It connects to Centrifugo with JWT per user, subscribes to the test channel, waits some time and exits.

Running test

Run Centrifugo with config like this:

{
  "token_hmac_secret_key": "secret",
  "admin": true,
  "admin_password": "password",
  "admin_secret": "0453661f-8b95-4f75-ab49-cfb2e3b2024f",
  "api_key": "7d8cee29-f5c0-419e-ae70-760767b21f8e",
  "allow_subscribe_for_client": true,
  "allowed_origins": []
}

Then:

k6 run benchmark.js

Make sure your system is tuned for dealing with many connections.