mysql中使 gtid 復(fù)制跳過出錯的方法

mysql> show slave status \G
*************************** 1. row ***************************
               Slave_IO_State: Waiting for master to send event
                  Master_Host: 192.168.10.77
                  Master_User: lixiaomeng
                  Master_Port: 6000
                Connect_Retry: 60
              Master_Log_File: mysql-bin.000006
          Read_Master_Log_Pos: 334
               Relay_Log_File: db2-relay-bin.000002
                Relay_Log_Pos: 367
        Relay_Master_Log_File: mysql-bin.000006
             Slave_IO_Running: Yes
            Slave_SQL_Running: No
              Replicate_Do_DB: 
          Replicate_Ignore_DB: mysql,information_schema,performance_schema
           Replicate_Do_Table: 
       Replicate_Ignore_Table: 
      Replicate_Wild_Do_Table: 
  Replicate_Wild_Ignore_Table: 
                   Last_Errno: 1051
                   Last_Error: Error 'Unknown table 'dba.test'' on query. Default database: 'dba'. Query: 'DROP TABLE `test` /* generated by server */'
                 Skip_Counter: 0
          Exec_Master_Log_Pos: 154
              Relay_Log_Space: 752
              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: 1051
               Last_SQL_Error: Error 'Unknown table 'dba.test'' on query. Default database: 'dba'. Query: 'DROP TABLE `test` /* generated by server */'
  Replicate_Ignore_Server_Ids: 
             Master_Server_Id: 1077
                  Master_UUID: 3ad791d8-93a4-11e7-bc8f-00163e088e93
             Master_Info_File: /data0/mysql/6000/data/master.info
                    SQL_Delay: 0
          SQL_Remaining_Delay: NULL
      Slave_SQL_Running_State: 
           Master_Retry_Count: 86400
                  Master_Bind: 
      Last_IO_Error_Timestamp: 
     Last_SQL_Error_Timestamp: 170907 17:38:15
               Master_SSL_Crl: 
           Master_SSL_Crlpath: 
           Retrieved_Gtid_Set: 3ad791d8-93a4-11e7-bc8f-00163e088e93:1  ------------------------這一行為執(zhí)行出錯的gtid
            Executed_Gtid_Set: 6b344a45-93a8-11e7-9c7c-00163e08914e:1-2
                Auto_Position: 1
         Replicate_Rewrite_DB: 
                 Channel_Name: 
           Master_TLS_Version:

解決方法一：

(1)停止slave進(jìn)程

mysql> STOP SLAVE;
(2)設(shè)置事務(wù)號，事務(wù)號從Retrieved_Gtid_Set獲取
在session里設(shè)置gtid_next，即跳過這個GTID
mysql> SET @@SESSION.GTID_NEXT= '8f9e146f-0a18-11e7-810a-0050568833c8:4'
（3）設(shè)置空事物
mysql> BEGIN; COMMIT;
（4）恢復(fù)事物號
mysql> SET SESSION GTID_NEXT = AUTOMATIC;
(5)啟動slave進(jìn)程
mysql> START SLAVE;

解決辦法二：重置master方法跳過錯誤

mysql>  STOP SLAVE;
mysql> RESET MASTER;
mysql>   SET @@GLOBAL.GTID_PURGED ='8f9e146f-0a18-11e7-810a-0050568833c8:1-4'
mysql>  START SLAVE;

上面這些命令的用意是，忽略8f9e146f-0a18-11e7-810a-0050568833c8:1-4 這個GTID事務(wù)，下一次事務(wù)接著從 5 這個GTID開始，即可跳過上述錯誤。

解決辦法三：使用pt-slave-restart工具

pt-slave-restart工具的作用是監(jiān)視某些特定的復(fù)制錯誤，然后忽略，并且再次啟動SLAVE進(jìn)程（Watch and restart MySQL replication after errors）。
忽略所有1062錯誤，并再次啟動SLAVE進(jìn)程
[root@dgt mysql]# pt-slave-resetart -S /var/lib/mysql/mysql.sock —error-numbers=1062
檢查到錯誤信息只要包含 test.t1，就一概忽略，并再次啟動 SLAVE 進(jìn)程
[root@dgt mysql]# pt-slave-resetart -S /var/lib/mysql/mysql.sock  —error-text=”test.t1”
下面舉例解決錯誤問題號
            Last_SQL_Error: Could not execute Delete_rows event on table test.t; Can't find record in 't', Error_code: 1032; handler error HA_ERR_KEY_NOT_FOUND; the event's master log mysql-bin.000028, end_log_pos 1862
  Replicate_Ignore_Server_Ids: 
             Master_Server_Id: 2
                  Master_UUID: 8f9e146f-0a18-11e7-810a-0050568833c8
             Master_Info_File: /var/lib/mysql/master.info
                    SQL_Delay: 0
          SQL_Remaining_Delay: NULL
      Slave_SQL_Running_State: 
           Master_Retry_Count: 86400
                  Master_Bind: 
      Last_IO_Error_Timestamp: 
     Last_SQL_Error_Timestamp: 170421 17:45:11
               Master_SSL_Crl: 
           Master_SSL_Crlpath: 
           Retrieved_Gtid_Set: 8f9e146f-0a18-11e7-810a-0050568833c8:1-7
            Executed_Gtid_Set: 8f9e146f-0a18-11e7-810a-0050568833c8:1-6,
f7c86e19-24fe-11e7-a66c-005056884f03:1
                Auto_Position: 0
         Replicate_Rewrite_DB: 
                 Channel_Name: 
           Master_TLS_Version: 
1 row in set (0.00 sec)
[root@dgt mysql]# pt-slave-restart  -S  /var/lib/mysql/mysql.sock   --error-numbers=1032   --user=root --password='bc.123456'
2017-04-21T17:53:27 S=/var/lib/mysql/mysql.sock,p=...,u=root mysql-bin.000015         620 1032 
2017-04-21T17:54:31 S=/var/lib/mysql/mysql.sock,p=...,u=root mysql-bin.000015        1140 1032

參數(shù)解釋：

--slave-password=s         Sets the password to be used to connect to the slaves
--slave-user=s         Sets the user to be used to connect to the slaves
--sleep=i            Initial sleep seconds between checking the slave ( default 1)
--socket=s             -S  Socket file to use for connection=
--password=s             -p  Password to use when connecting
pt-slave-resetart             -S./mysql.sock —error-numbers=1032
--error-numbers=h         Only restart this comma-separated list of errors
--host=s             -h  Connect to host
--user=s             -u  User for login if not current user

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