nginx 做mysql负载均衡

首先安装nginx
1. 编辑文档： /etc/yum.repos.d/nginx.repo

[nginx]name=nginx repobaseurl=http://nginx.org/packages/mainline/centos/$releasever/$basearch/gpgcheck=0enabled=1

1. 安装命令

yum install nginx –disablerepo=* –enablerepo=nginx

3.nginx 配置：

stream {    server {        listen 3306;        proxy_pass db;    }    upstream db {        server db1:3306;        server db2:3306;        server db3:3306;    }}

说明文档
nginx tcp 负载均衡说明文档