在centos7.4.1708部署mariadb-10.3.5 galera cluster集群本人在阿里云ECS云主机上配置，cpu核数2 内存2G 带宽1M，3台阿里云主机所在的安全组要开放全部协议的所有端口（针对mariadb-ga

How To Create a Galera Cluster with MariaDB 10.2 on Aliyun ECS (CentOS Linux release 7.2.1511 (Core))Aliyun ECS of Node