Is there any way to configure nginx (or other quick reverse proxy) dynamically?

Question

Suppose we have several identical nodes which are the application servers of some n-tier service. And suppose we use Apache ZooKeeper to keep all the config\'s of our distribute

Answer 1

From Docs:

nginx -s reload

-s is for 'signal', where signal can be 'quit', 'reload', 'reopen', or 'stop'.