nginx反向代理tcp3306端口

cd /usr/local/src/
wget https://github.com/yaoweibin/nginx_tcp_proxy_module/archive/master.zip unzip master
wget http://tengine.taobao.org/download/tengine-2.1.0.tar.gz tar zxvf tengine-2.1.0.tar.gz
cd tengine-2.1.0
yum install patch
patch -p1 </usr/local/src/nginx_tcp_proxy_module-master/tcp.patch
./configure --prefix=/usr/local/nginx_mysql --add-module=/usr/local/src/nginx_tcp_proxy_module-master/
make && make install
vi /usr/local/nginx_mysql/conf/nginx.conf
tcp {
upstream proxy_name {
# simple round-robin
server 192.168.1.10:8000;
server 192.168.1.10:8001;
server 192.168.1.11:8000;
server 192.168.1.11:8001;

check interval=3000 rise=2 fall=5timeout=1000;
#check interval=3000 rise=2 fall=5timeout=1000
#check interval=3000 rise=2 fall=5timeout=1000
#check_http_send "GET /HTTP/1.0\r\n\r\n";
#check_http_expect_alive http_2xxhttp_3xx;
}

server {
listen 8888;

proxy_pass proxy_name;
}
}

说明：
check interval 健康检查，单位是毫秒
rise 检查几次正常后，将reslserver加入以负载列表中
fall 检查几次失败后，摘除realserver
timeout 检查超时时间，单位许毫秒
具体可查看nginx_tcp_proxy_module-master/README,很详细。

###模块指令是TCP，它是不属于HTTP框架内的，所以和HTTP{}同级别。###

tcp {
upstream proxy_name {
server 192.168.1.10:3306;
}

server {
listen 3306;

proxy_pass proxy_name;
}
}