mysql replication last error 간혹 발생이 된다.
mysql> show slave status\G
*************************** 1. row ***************************
Slave_IO_State: Waiting for master to send event
Master_Host: 192.168.0.2
Master_User: backup
Master_Port: 3306
Connect_Retry: 60
Master_Log_File: mysql-bin.000001
Read_Master_Log_Pos: 456557
Relay_Log_File: mysqld-relay-bin.000005
Relay_Log_Pos: 297844
Relay_Master_Log_File: mysql-bin.000001
Slave_IO_Running: Yes
Slave_SQL_Running: No
Replicate_Do_DB:
Replicate_Ignore_DB:
Replicate_Do_Table:
Replicate_Ignore_Table:
Replicate_Wild_Do_Table:
Replicate_Wild_Ignore_Table:
Last_Errno: 1062
Last_Error: Error 'Duplicate entry '810990' for key 'PRIMARY' ' on query. Default database: 'jiradb'. Query: 'INSERT INTO cwd_user_attributes (ID, user_id, directory_id, attribute_name, attribute_value, lower_attribute_val ue) VALUES (810990, 12275, 1, 'login.currentFailedCount', '0', '0')'
Skip_Counter: 0
Exec_Master_Log_Pos: 347080
Relay_Log_Space: 423441
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: NULL
Master_SSL_Verify_Server_Cert: No
Last_IO_Errno: 0
Last_IO_Error:
Last_SQL_Errno: 1062
Last_SQL_Error: Error 'Duplicate entry '810990' for key 'PRIMARY' ' on query. Default database: 'jiradb'. Query: 'INSERT INTO cwd_user_attributes (ID, user_id, directory_id, attribute_name, attribute_value, lower_attribute_val ue) VALUES (810990, 12275, 1, 'login.currentFailedCount', '0', '0')'
1 row in set (0.00 sec)
위와 같이 특정 db때문에 에러가 발생하는경우가 생긴다.
그렇다면 아래와 같이 해주자 (slave 서버에서)
mysql> stopt slave;
Query OK, 0 rows affected (0.00 sec)
mysql> SET GLOBAL SQL_SLAVE_SKIP_COUNTER = 1;
Query OK, 0 rows affected (0.00 sec)
그리고 master 에 접속 정보를 다시 입력해주자
CHANGE MASTER TO MASTER_HOST='192.168.0.247', MASTER_USER='backup', MASTER_PORT=3306, MASTER_PASSWORD='123qwe', MASTER_LOG_FILE='mysql-bin.000004';
mysql> start slave;
Query OK, 0 rows affected (0.00 sec)
mysql> show slave status\G
*************************** 1. row ***************************
Slave_IO_State: Waiting for master to send event
Master_Host: 192.168.0.2
Master_User: backup
Master_Port: 3306
Connect_Retry: 60
Master_Log_File: mysql-bin.000001
Read_Master_Log_Pos: 994861
Relay_Log_File: mysqld-relay-bin.000002
Relay_Log_Pos: 3996
Relay_Master_Log_File: mysql-bin.000001
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: 994861
Relay_Log_Space: 4152
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:
1 row in set (0.00 sec)
에러가 없어진것을 확인 할수 있다.
만약에 주기적으로 Last_SQL_Errno: 1062 발생한다면 무시 설정을 해주자
# vi /etc/my.conf
slave-skip-errors = 1062
추가 해주면 된다. 만약 에러코드가 1063번도 생긴다면
slave-skip-errors = 1062, 1063 이런식으로 추가 해주면 된다.
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