Preface Yesterday I implemented a three-nodes PXC,but there were some errors when proceeding it.So I decide to research what's wrong with it.The operations and evidences shows below. Procedure Fisrt of all,I find out that yesterday's erro
Preface Today,I'm gonna implement a PXC,Let's see the procedure. Framework Hostname IP Port OS Version MySQL Version Xtrabackup version zlm2 192.168.1.101 3308 CentOS 7.0 PXC 5.7.22 2.4.12 Linux (x86_64) zlm3 192.168.1.102 3308 CentOS 7.0
PXC简介 Percona XtraDB Cluster(简称PXC集群)提供了MySQL高可用的一种实现方法. 1.集群是有节点组成的,推荐配置至少3个节点,但是也可以运行在2个节点上. 2.每个节点都是普通的mysql/percona服务器,可以将现有的数据库服务器组成集群,反之,也可以将集群拆分成单独的服务器. 3.每个节点都包含完整的数据副本. PXC集群主要由两部分组成:Percona Server with XtraDB和Write Set Replication patche
主机信息: Proxysql: 如果你忽略了ProxySQL会报告主机组的变化,我建议把它设置为0,除非你试图调试"某些东西",否则你的日志将很快变得巨大.UPDATE global_variables SET Variable_Value=0 WHERE Variable_name='mysql-hostgroup_manager_verbose'; 在PXC 5.7添加proxysql监控用户: CREATE USER 'proxysql'@'%' IDENTIFIED BY 'p