MySQL 主从复制

Posted 2020-08-04

0.常用命令

 

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删除表中所有数据 truncate 表名; reset master; 清除所有的bin-log日志 show master status; 查看授权用户 show grants for [email protected]; 重启mysql pkill mysqld

 

1.Mysql授权

 

1 2	grant all on *.* to ‘user1‘@192.168.10.2 identified by ‘pass‘; select user,host,password from mysql.user;

 

2.Mysql的主从复制

 

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change master to master_host=‘192.168.10.1‘, master_user=‘slave‘, master_password=‘test.com‘, master_log_file=‘mysql-bin.000007‘, master_log_pos=334; start slave; show slave status\G

 

3.Mysql手工备份

 

1	/usr/local/mysql/bin/mysqldump -uroot -p123 test -l -F ‘/tmp/test.sql‘

 

4.Mysql bin-log日志手工恢复

 

1	/usr/local/mysql/bin/mysqlbinlog --no-defaults mysql-bin.000002 | /usr/local/mysql/bin/mysql -uroot -p123 test

 

5.Mysql数据库恢复

 

1	/usr/local/mysql/bin/mysql -uroot -p123 test </tmp/test.sql