Golang Re-Use connection from the client.
Go thru
https://www.loginradius.com/blog/async/tune-the-go-http-client-for-high-performance/ And http://tleyden.github.io/blog/2016/11/21/tuning-the-go-http-client-library-for-load-testing/
This is code sample for the connection re-use in resty https://github.com/go-resty/resty client.