Regarding pm2

  node.js, question

My understanding is that the pm2 startup process starts N identical node processes’;
For example, I made a blog program and deployed it to the server. It should be four blog processes started with pm2.
But now see such a picture, messy
Who can explain it to me?

What do you mean by these processes started by pm2? I can’t understand them at all.

Can you take a look at your command line for starting pm2? I usually use cluster when I start, pm2 start nodejs main project -i max.
If recommended, if you are not formally deployed, then it is recommended to use nodemon for debugging.