Mysql資料移轉

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待遷移的資料庫如下:

mysql> show databases;+--------------------+| Database           |+--------------------+| information_schema || forbk              || hive               || mysql              || test               |+--------------------+5 rows in set (0.00 sec)mysql> use forbkDatabase changedmysql> 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>

待遷移的資料庫配置如下,可以發現mysql資料檔案存放在:datadir=/var/lib/mysql中

[mysqld]datadir=/var/lib/mysqlsocket=/var/lib/mysql/mysql.sockuser=mysqlcharacter_set_server=utf8init_connect=‘SET NAMES utf8‘# Disabling symbolic-links is recommended to prevent assorted security riskssymbolic-links=0[mysqld_safe]log-error=/var/log/mysqld.logpid-file=/var/run/mysqld/mysqld.pid[mysql]default-character-set=utf8#bin-long=justin-bin                                                                                                                                                  "/etc/my.cnf" 16L, 364C

現在將這個資料庫的forbak庫遷移到另外一台機器上:

直接將/var/lib/mysql/forbk這個檔案拷貝到另外一台機器的datadir目錄下,

不用重啟mysql服務,就可以動態看到forbk庫已經成功的遷移到到目標機器:

注意:通過拷貝檔案的方式備份資料庫,不會在binlog中有記錄。但是當備份完成後,再對備份過來的庫進行update,insert、delete操作時,會觸發binlog;

Mysql資料移轉

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