MySQL5.7 集群配置的步骤

vim /etc/my.cnf

server-id=1
auto_increment_offset=1
auto_increment_increment=2
gtid_mode=on
enforce_gtid_consistency=on
log-bin=mysql-bin

vim /etc/my.cnf

server-id=2
auto_increment_offset=1
auto_increment_increment=2
gtid_mode=on
enforce_gtid_consistency=on
log-bin=mysql-bin

create user B@'IP' identified by '密码';
grant replication slave on *.* to B@'服务器IP';

create user A@'IP' identified by '密码';
grant replication slave on *.* to A@'密码';

change master to master_host='IP', master_user='B', master_password='?T-p&clsr38i', master_port=3306, master_auto_position=1;

start slave;

show slave status;

change master to master_host='IP', master_user='A', master_password='?T-p&clsr38i', master_port=3306, master_auto_position=1;

start slave;

show slave status;

stream {
  upstream mysql_proxy{
    hash $remote_addr consistent;
    server A服务器IP:3306 weight=1 max_fails=3 fail_timeout=10s;
	  server B服务器IP:3306 weight=1 max_fails=3 fail_timeout=10s;
  }
  server {
    listen 3306; # 数据库服务器监听端口
    proxy_connect_timeout 10s;
    proxy_timeout 300s; 
    proxy_pass mysql_proxy;
  }
}