一：安装搭建（两个节点都要安装）
1 yum install http://www.percona.com/downloads/percona-release/redhat/0.1-4/percona-release-0.1-4.noarch.rpm 2 3 percona-release-1.0-11.noarch 4 5 yum update percona-release 6 7 yum install Percona-Server-rocksdb-57.x86_64 8 9 service mysqld start 10 11 cat /var/log/mysqld.log | grep "A temporary password" | awk -F " " '{print$11}' 12 13 mysql -uroot -p 14 15 alter user 'root'@'localhost' identified by 'rooT_258';