mysql slave不能同步Error 'Duplicate entry '1438019' for key 'PRIMARY'' on query

问题描述

mysql> show slave statusG;
*************************** 1. row ***************************
               Slave_IO_State: Waiting for master to send event
                  Master_Host: 192.168.10.100
                  Master_User: slave_user
                  Master_Port: 3306
                  Connect_Retry: 60
                  Master_Log_File: mysql-bin.000773
                  Read_Master_Log_Pos: 63325
                  Relay_Log_File: server122-relay-bin.000002
                  Relay_Log_Pos: 165661
                  Relay_Master_Log_File: mysql-bin.000771
                  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 '1438019' for key 'PRIMARY'' on query. Default database: 'otrs'. Query: 'INSERT INTO ticket (tn, title, create_time_unix, queue_id, ticket_lock_id,  user_id, group_id, ticket_priority_id, ticket_state_id, ticket_answered,  escalation_start_time, timeout, valid_id, create_time, create_by, change_time, change_by)  VALUES ('2012061310001851', 'Your order  ORD201205A000016 was bounced back', 1339585744, 44, 1, 43,  1, 3, 4,  0, 1339585744, 0, 1,  current_timestamp, 43, current_timestamp, 43)'
                 Skip_Counter: 0
                 Exec_Master_Log_Pos: 41969067
                 Relay_Log_Space: 625695
                 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 '1438019' for key 'PRIMARY'' on query. Default database: 'otrs'. Query: 'INSERT INTO ticket (tn, title, create_time_unix, queue_id, ticket_lock_id,  user_id, group_id, ticket_priority_id, ticket_state_id, ticket_answered,  escalation_start_time, timeout, valid_id, create_time, create_by, change_time, change_by)  VALUES ('2012061310001851', 'Your order  ORD201205A000016 was bounced back', 1339585744, 44, 1, 43,  1, 3, 4,  0, 1339585744, 0, 1,  current_timestamp, 43, current_timestamp, 43)'
1 row in set (0.00 sec)

分析原因

重复插入相同的记录，造成的主键冲突问题

解决方法

如果较少的错误可以手动解决

slave stop;
set global sql_slave_skip_counter=n; \ n=正整数，，看你的错误有几条，就跳过几条  
slave start;

较多的情况下增加slave_skip_errors = 1062 参数
my.cnf 中增加slave_skip_errors = 1062 参数，忽略1062错误，若忽略多个错误，中间用逗号隔开，忽略所有用all