Preface I've implemented the Group Replication with three servers yesterday,What a shame it eventually terminated in several glitches.Now that it doesn't work appropriately,I decide to inquire what has happened and solve the problems.Let's se…
Preface We've learned the machenism of MGR yesterday,Let's configurate an environment and have some test today.MGR can be installed as plugin like semisynchronous replication. Node information ID IP Hostname Database Port Port of Seed Server…
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…
Preface I've installed MasterHA yesterday,Now let's test the master-slave switch and failover feature. Framework Hostname IP Port Identity OS Version MySQL Version zlm2 192.168.1.101 3306 master CentOS 7.0 5.7.21 zlm3 192.168.1.102 3306 s…
Preface MasterHA is a tool which can be used in MySQL HA architecture.I'm gonna implement it and have some tests depend on it later. Framework Hostname IP Port Identity OS Version MySQL Version zlm2 192.168.1.101 3306 master CentOS 7.0 5.…
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…
MySQL MHA架构介绍: MHA(Master High Availability)目前在MySQL高可用方面是一个相对成熟的解决方案,它由日本DeNA公司youshimaton(现就职于Facebook公司)开发,是一套优秀的作为MySQL高可用性环境下故障切换和主从提升的高可用软件.在MySQL故障切换过程中,MHA能做到在0~30秒之内自动完成数据库的故障切换操作,并且在进行故障切换的过程中,MHA能在最大程度上保证数据的一致性,以达到真正意义上的高可用. 该软件由两部分组成:MHA…