search for: host2_private

...# be used unless connections to unix:/tmp/sock are failing # it may be advisable to reorder these on a per-host basis # so "host1" does not connect to "host1_private" as its # first choice... server host1_private:8080 fail_timeout=0 backup; server host2_private:8080 fail_timeout=0 backup; server host3_private:8080 fail_timeout=0 backup; } The idea is to have the majority of requests will use the UNIX socket which is a bit faster than the TCP one. However, if _some_ of your machines start getting overloaded, nginx can failover to using TCP, li...