mysql主从复制

Posted 2020-10-21 彼扬

mysql主机master

1. 编辑mysql配置文件my.cnf

server_id = 1                     #server_id服务器唯一标识

log_bin = mysql-bin           #借助mysql配置文件打开binlog

重启mysql

 

2.创建一个用于主从复制的用户

mysql> create user ‘repl‘@‘172.17.0.%‘ identified by ‘abcd_123‘;

授权：

mysql> grant replication slave on *.* to ‘repl‘@‘172.17.0.%‘ identified by ‘abcd_123‘;

mysql> flush privileges;

查看主机状态:

mysql> show master status;

mysql>show slave status/G;

 

mysql从机slave

1. mysql> stop slave; //停止主从复制

2. 同步

mysql> change master to master_host=‘172.17.0.2‘, master_user=‘repl‘, master_password=‘abcd_123‘, master_log_file=‘mysql-bin.000001‘, master_log_pos=575;

3. mysql> start slave;

 

docker下命令

docker inspect mysql master|grep IP