So on each server you can add to your listen directive.


listen 8181 default bind reuseport;


Cloudflare use it and posted in on their blog and github here (benchmark stats included)

GitHub : https://github.com/cloudflare/cloudflare-blog/tree/master/2017-10-accept-balancing
Cloudflare Blog : https://blog.cloudflare.com/the-sad-state-of-linux-socket-balancing/


I question if it is ideal in a production high traffic enviorment if using "reuseport" will be beneficial or it is best to just leave it out as it is by default anyway.

http://www.networkflare.com/