How to speed up connection time to PostgreSQL?

Question

PostgreSQL

On the local machine, the connection to the database is 3-4 ms, and on the combat machine 15-18 ms. With what it can be connected? How to speed up connection time? config is about the same

Answer 1

Use PgBouncer.

Answer 2

On a vskidka - by chance on the test machine the connection is not to localhost, but to the combat one by real name?
In this case, there may be delays due to the use of DNS.