We've recently switched from a file based URL rewrite system to nginx/lua/redis. Before we'd literally include() the rewrites into our configuration files which

We've recently switched from a file based URL rewrite system to nginx/lua/redis. Before we'd literally include() the rewrites into our configuration files which made -s reload a pain. All in all the implementation was relatively painless, decreased our server reponse time quite a bit and scales way better than our previous naive approach.