Updated Setup a Shadowsocks relay (markdown)

Setup-a-Shadowsocks-relay.md

@@ -11,7 +11,37 @@ If you want your client connected to a Japan VPS, but you want a US IP.
 
 ### Better version:
 
+For those who need high performance, use haproxy.
+
 Append the following line to `/etc/apt/sources.list`
 
     deb http://ftp.us.debian.org/debian/ wheezy-backports main
 
+Run
+
+    apt-get udpate
+    apt-get install haproxy
+
+Edit `/etc/haproxy/haproxy.cfg`
+
+```
+global
+	ulimit-n  51200
+
+defaults
+	log	global
+	mode	tcp
+	option	dontlognull
+        contimeout 1000
+        clitimeout 150000
+        srvtimeout 150000
+
+frontend ss-in
+        bind *:8388
+        default_backend ss-out
+
+backend ss-out
+        server server1 US_VPS_IP:8388 maxconn 20480
+```
+
+Then run `haproxy -f /etc/haproxy/haproxy.cfg`