centos 5.4中mysql主从同步配置方法
本文章来分享一篇简单的关于在centos 5.4中mysql主从同步配置教程,有需要学习mysql同步配置的朋友可参考。
安装环境
•centos 5.4
•mysql 5.1.xx 采用rpm直接安装
•xtrabackup 1.2.22 采用rpm直接安装
1. Master:/etc/my.cnf
代码如下 | 复制代码 |
[mysqld] character-set-server=utf8 |
设定了默认字符集为utf8,可以按实际情况取舍这段配置。
2. Slave:/etc/my.cnf
代码如下 | 复制代码 |
[mysqld] character-set-server=utf8 |
.
Master:在master数据库设置用来同步的slave用户权限
代码如下 | 复制代码 |
GRANT REPLICATION SLAVE ON *.* TO ' IDENTIFIED BY ' |
4.
Master:导出数据到slave
采用xtrabackup来备份mysql,好处是在master的锁表时间很短,在实际的生产环境也可以使用,并且xtrabackup会自动记录同步日志文件的位置。
sudo innobackupex-1.5.1 --stream=tar /tmp/ | ssh
5. Slave:导入数据到slave
代码如下 | 复制代码 |
innobackupex-1.5.1 --apply-log /tmp/db |
Slave:开始同步数据
查看/var/lib/mysql/xtrabackup_binlog_info,获得日志文件以及position。
代码如下 | 复制代码 |
CHANGE MASTER TO START SLAVE; |

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