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Mysql数据迁移

时间:2021-07-01 10:21:17 帮助过:2人阅读

show databases; +--------------------+ | Database | +--------------------+ | information_schema | | forbk | | hive | | mysql | | test | +--------------------+ 5 rows in set (0.00 sec) mysql> use forbk Database changed mysql> create table `back_table` ( x int, y int); Query OK, 0 rows affected (0.01 sec) mysql> insert into back_table values(12,13); Query OK, 1 row affected (0.00 sec) mysql> select * from back_table; +------+------+ | x | y | +------+------+ | 12 | 13 | +------+------+ 1 row in set (0.00 sec) mysql>

待迁移的数据库配置如下,可以发现mysql数据文件存放在:datadir=/var/lib/mysql中

[mysqld]
datadir=/var/lib/mysql
socket=/var/lib/mysql/mysql.sock
user=mysql
character_set_server=utf8
init_connect=SET NAMES utf8
# Disabling symbolic-links is recommended to prevent assorted security risks
symbolic-links=0

[mysqld_safe]
log-error=/var/log/mysqld.log
pid-file=/var/run/mysqld/mysqld.pid

[mysql]
default-character-set=utf8
#bin-long=justin-bin
                                                                                                                                                  
"/etc/my.cnf" 16L, 364C

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现在将这个数据库的forbak库迁移到另外一台机器上:

直接将/var/lib/mysql/forbk这个文件拷贝到另外一台机器的datadir目录下,技术分享

不用重启mysql服务,就可以动态的看到forbk库已经成功的迁移到到目标机器:

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注意:通过拷贝文件的方式备份数据库,不会在binlog中有记录。但是当备份完成后,再对备份过来的库进行update,insert、delete操作时,会触发binlog;

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Mysql数据迁移

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