几个月前，我刚刚设置使用两台服务器的MySQL主/副本复制，现在没有任何错误复制已经停止，我可以看到奴隶实例正在获取二进制日志，并将其写入中继日志，但它不处理它们，我试图删除中继日志使用，重置奴隶; 命令，然后我又回到最后一个通过运行master master_log_file =和master_log_pos =来正确处理的二进制文件，但是再次复制没有正确启动。
mysql> show slave status\G *************************** 1. row *************************** Slave_IO_State: Waiting for master to send event Master_Host: 192.168.1.129 Master_User: slave_user Master_Port: 3306 Connect_Retry: 60 Master_Log_File: mysql-bin.000075 Read_Master_Log_Pos: 532464571 Relay_Log_File: mysql-relay-bin.000002 Relay_Log_Pos: 320 Relay_Master_Log_File: mysql-bin.000074 Slave_IO_Running: Yes Slave_SQL_Running: Yes Replicate_Do_DB: Replicate_Ignore_DB: Replicate_Do_Table: Replicate_Ignore_Table: Replicate_Wild_Do_Table: Replicate_Wild_Ignore_Table: Last_Errno: 0 Last_Error: Skip_Counter: 0 Exec_Master_Log_Pos: 329943717 Relay_Log_Space: 1276264374 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: 173090 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: 1 Master_UUID: 30dde628-8d76-11e7-9ab1-00505691362e Master_Info_File: /var/lib/mysql/master.info SQL_Delay: 0 SQL_Remaining_Delay: NULL Slave_SQL_Running_State: Reading event from the relay log 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: Auto_Position: 0 Replicate_Rewrite_DB: Channel_Name: Master_TLS_Version: 1 row in set (0.00 sec) relay_log_space增加，但relay_log_pos不会改变，所以我想这意味着中继日志不会被处理。