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mysql主从复制

程序员文章站 2022-10-23 15:58:40
查看变量:mysql> show variables like 'log_bin%';+ + +| Variable_name | Value |+ + +| log_bin | ON || log_bin_basename | /data/3306/mysql-bin || log_bin_ind ......
[root@db02 data]# mysql -S /data/3306/mysql.sock 
查看变量:
mysql> show variables like 'log_bin%';
+---------------------------------+----------------------------+
| Variable_name                   | Value                      |
+---------------------------------+----------------------------+
| log_bin                         | ON                         |
| log_bin_basename                | /data/3306/mysql-bin       |
| log_bin_index                   | /data/3306/mysql-bin.index |
| log_bin_trust_function_creators | OFF                        |
| log_bin_use_v1_row_events       | OFF                        |
+---------------------------------+----------------------------+
5 rows in set (0.00 sec)


2、建账号授权【主库】
grant replication slave on *.* to 'rep'@'172.16.1.%' identified by 'oldboy123';
flush privileges;


3、锁表导出数据
mysql> flush table with read lock;
Query OK, 0 rows affected (0.00 sec)

查看位置:
mysql> show master status;
+-------------------+----------+--------------+------------------+-------------------+
| File              | Position | Binlog_Do_DB | Binlog_Ignore_DB | Executed_Gtid_Set |
+-------------------+----------+--------------+------------------+-------------------+
| oldboy-bin.000001 |      405 |              |                  |                   |
+-------------------+----------+--------------+------------------+-------------------+
1 row in set (0.00 sec)

  


查看变量:
mysql> show variables like 'log_bin%';
+---------------------------------+----------------------------+
| Variable_name | Value |
+---------------------------------+----------------------------+
| log_bin | ON |
| log_bin_basename | /data/3306/mysql-bin |
| log_bin_index | /data/3306/mysql-bin.index |
| log_bin_trust_function_creators | OFF |
| log_bin_use_v1_row_events | OFF |
+---------------------------------+----------------------------+
5 rows in set (0.00 sec)


2、建账号授权【主库】
grant replication slave on *.* to 'rep'@'172.16.1.%' identified by 'oldboy123';
flush privileges;


3、锁表导出数据
mysql> flush table with read lock;
Query OK, 0 rows affected (0.00 sec)

查看位置:
mysql> show master status;
+-------------------+----------+--------------+------------------+-------------------+
| File | Position | Binlog_Do_DB | Binlog_Ignore_DB | Executed_Gtid_Set |
+-------------------+----------+--------------+------------------+-------------------+
| oldboy-bin.000001 | 405 | | | |
+-------------------+----------+--------------+------------------+-------------------+
1 row in set (0.00 sec)