[root@wx03 ~]# sh ./1.sh
Wed Jul 6 19:54:40 CST 2016
<html><body><h1>504 Gateway Time-out</h1>
The server didn't respond in time.
</body></html>
Wed Jul 6 19:55:26 CST 2016 这里是46秒对应于haproxy: timeout server maxconn 65535
timeout connect 5000
timeout client 50000
timeout server 46000