Why is the Linux server slow?

Question

Computer networks

Hello . The server is very slow, extremely slow. To be more precise, requests and responses work slowly. Ping to the server 1000 from the server to the sites is the same. What could be the problem?
PS Not special. in linux. Tell me what logs are needed to figure it out, I'll post it. Many thanks in advance for all your help.

Answer 1

hire an admin

Answer 2

Yes, in anything. Starting from the scripts of your application, ending with the server hardware.
Do you need a specialist or look for an exception method.

Answer 3

See what is being eaten and what. htop+iotop

Answer 4

Ping to server 1000 from server to sites same

If the server load indicators are normal, then all questions are to the network to the server.