这篇文章主要介绍MySQL 5.7如何在线设置忽略表复制方法，文中介绍的非常详细，具有一定的参考价值，感兴趣的小伙伴们一定要看完！
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MySQL5.7版本后增加了在线设置忽略表复制方法，举例如下:
先停止SQL线程:
mysql> STOP SLAVE SQL_THREAD;
Query OK, 0 rows affected (0.01 sec)
mysql> CHANGE REPLICATION FILTER REPLICATE_WILD_IGNORE_TABLE =('credit.%');
Query OK, 0 rows affected (0.00 sec)
mysql> start SLAVE SQL_THREAD;
Query OK, 0 rows affected (0.01 sec)
mysql> show slave status \G
*************************** 1. row ***************************
Slave_IO_State: Waiting for master to send event
Master_Host: 172.16.16.70
Master_User: slave
Master_Port: 3306
Connect_Retry: 60
Master_Log_File: mysql-bin.000022
Read_Master_Log_Pos: 460682
Relay_Log_File: nginx-relay-bin.000004
Relay_Log_Pos: 4201
Relay_Master_Log_File: mysql-bin.000022
Slave_IO_Running: Yes
Slave_SQL_Running: Yes
Replicate_Do_DB: credit
Replicate_Ignore_DB:
Replicate_Do_Table:
Replicate_Ignore_Table:
Replicate_Wild_Do_Table:
Replicate_Wild_Ignore_Table: credit.% --此处表示上面的命令在线设置成功
Last_Errno: 0
Last_Error:
Skip_Counter: 0
Exec_Master_Log_Pos: 460682
Relay_Log_Space: 4408
Until_Condition: None
Until_Log_File:
Until_Log_Pos: 0
Master_SSL_Allowed: No
Master_SSL_CA_File:
Master_SSL_CA_Path:
Master_SSL_Cert:
Master_SSL_Cipher:
Master_SSL_Key:
Seconds_Behind_Master: 0
Master_SSL_Verify_Server_Cert: No
Last_IO_Errno: 0
Last_IO_Error:
Last_SQL_Errno: 0
Last_SQL_Error:
Replicate_Ignore_Server_Ids:
Master_Server_Id: 70
Master_UUID: f1366940-266c-11e7-92c2-525400f39f79
Master_Info_File: /usr/local/mysql/data/master.info
SQL_Delay: 0
SQL_Remaining_Delay: NULL
Slave_SQL_Running_State: Slave has read all relay log; waiting for more updates
Master_Retry_Count: 86400
Master_Bind:
Last_IO_Error_Timestamp:
Last_SQL_Error_Timestamp:
Master_SSL_Crl:
Master_SSL_Crlpath:
Retrieved_Gtid_Set:
Executed_Gtid_Set: 32197cd9-2957-11e7-a5c4-525400e493a4:1-3,
f1366940-266c-11e7-92c2-525400f39f79:1-6956
Auto_Position: 0
Replicate_Rewrite_DB:
Channel_Name:
Master_TLS_Version:
1 row in set (0.00 sec)
备注:全部同步所有库的命令就是:
CHANGE REPLICATION FILTER REPLICATE_DO_DB = ();
只同步部分库:
CHANGE REPLICATION FILTER REPLICATE_DO_DB = (db1, db2);
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