MySQL5.6 GTID模式下同步复制报错不能跳过的解决方法

 更新时间:2020-04-13 01:16:07   作者:佚名   我要评论(0)

数据库版本:
mysql> select version();
+------------+

| version() |

+------------+

| 5.6.10-log |

+------------+

1 row in set (0.02 sec)

数据库版本:

mysql> select version();

+------------+
| version() |
+------------+
| 5.6.10-log |
+------------+
1 row in set (0.02 sec)

同步复制信息:

mysql> show slave status\G;

*************************** 1. row ***************************
Slave_IO_State: Waiting for master to send event
Master_Host: 192.168.8.25
Master_User: repl
Master_Port: 3306
Connect_Retry: 60
Master_Log_File: mysql-bin.000007
Read_Master_Log_Pos: 5036
Relay_Log_File: M2-relay-bin.000008
Relay_Log_Pos: 408
Relay_Master_Log_File: mysql-bin.000007
Slave_IO_Running: Yes
Slave_SQL_Running: No
Replicate_Do_DB:
Replicate_Ignore_DB: mysql
Replicate_Do_Table:
Replicate_Ignore_Table:
Replicate_Wild_Do_Table:
Replicate_Wild_Ignore_Table:
Last_Errno: 1062
Last_Error: Could not execute Write_rows event on table test.t; Duplicate entry '12'
for key 'PRIMARY', Error_code: 1062; handler error HA_ERR_FOUND_DUPP_KEY; the event's master log mysql-bin.000007,
end_log_pos 2267
Skip_Counter: 0
Exec_Master_Log_Pos: 2045
Relay_Log_Space: 3810
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: Could not execute Write_rows event on table test.t; Duplicate entry '12'
for key 'PRIMARY', Error_code: 1062; handler error HA_ERR_FOUND_DUPP_KEY; the event's master log mysql-bin.000007,
end_log_pos 2267
Replicate_Ignore_Server_Ids:
Master_Server_Id: 25
Master_UUID: cf716fda-74e2-11e2-b7b7-000c290a6b8f
Master_Info_File: /usr/local/mysql/data2/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: 130313 07:24:43
Master_SSL_Crl:
Master_SSL_Crlpath:
Retrieved_Gtid_Set: cf716fda-74e2-11e2-b7b7-000c290a6b8f:141-151
Executed_Gtid_Set: cf716fda-74e2-11e2-b7b7-000c290a6b8f:1-140
Auto_Position: 1
1 row in set (0.02 sec)

ERROR:
No query specified

提示主键冲突,由于是测试机,于是我直接跳过,

mysql> set global sql_slave_skip_counter=1;

ERROR 1858 (HY000): sql_slave_skip_counter can not be set when the server is running with GTID_MODE = ON.
Instead, for each transaction that you want to skip, generate an empty transaction with the same GTID as the transaction

提示:由于运行在GTID模式,所以不支持sql_slave_skip_counter语法,如果你想跳过,就必须把事务ID设置为空值。
看来只能用这个方法了。

mysql> show global variables like '%GTID%';

+--------------------------+--------------------------------------------+
| Variable_name | Value |
+--------------------------+--------------------------------------------+
| enforce_gtid_consistency | ON |
| gtid_executed | cf716fda-74e2-11e2-b7b7-000c290a6b8f:1-140 |
| gtid_mode | ON |
| gtid_owned | |
| gtid_purged | cf716fda-74e2-11e2-b7b7-000c290a6b8f:1-140 |
+--------------------------+--------------------------------------------+
5 rows in set (0.04 sec)

mysql> set global gtid_executed='';
ERROR 1238 (HY000): Variable 'gtid_executed' is a read only variable
mysql>
mysql> set global gtid_purged='';

ERROR 1840 (HY000): GTID_PURGED can only be set when GTID_EXECUTED is empty.
郁闷,直接设置还不行。

查看了手册,需要执行reset master才可以(注:在从上执行啊,千万别在主上)。

mysql> reset master;
Query OK, 0 rows affected (0.16 sec)

mysql> reset slave;
ERROR 1198 (HY000): This operation cannot be performed with a running slave; run STOP SLAVE first
mysql> stop slave;
Query OK, 0 rows affected (0.08 sec)

mysql> reset slave;
Query OK, 0 rows affected (0.16 sec)

执行reset slave的目的是清空master.info和relay-log.info,以便后面重新change master to主从复制。
还记得刚才的gtid_purged那个点吗,只需重新设置下一个点即可。

下面是步骤:

mysql> show global variables like '%GTID%';
+--------------------------+-------+
| Variable_name | Value |
+--------------------------+-------+
| enforce_gtid_consistency | ON |
| gtid_executed | |
| gtid_mode | ON |
| gtid_owned | |
| gtid_purged | |
+--------------------------+-------+
5 rows in set (0.06 sec)

mysql> set global gtid_purged='cf716fda-74e2-11e2-b7b7-000c290a6b8f:1-141';
Query OK, 0 rows affected (0.16 sec)

mysql> CHANGE MASTER TO MASTER_HOST='192.168.8.25',MASTER_USER='repl',MASTER_PASSWORD='repl'
,MASTER_AUTO_POSITION = 1;
Query OK, 0 rows affected, 2 warnings (0.32 sec)

mysql> start slave;
Query OK, 0 rows affected (0.13 sec)

mysql> show slave status\G;
*************************** 1. row ***************************
Slave_IO_State: Waiting for master to send event
Master_Host: 192.168.8.25
Master_User: repl
Master_Port: 3306
Connect_Retry: 60
Master_Log_File: mysql-bin.000007
Read_Master_Log_Pos: 5036
Relay_Log_File: M2-relay-bin.000008
Relay_Log_Pos: 408
Relay_Master_Log_File: mysql-bin.000007
Slave_IO_Running: Yes
Slave_SQL_Running: No
Replicate_Do_DB:
Replicate_Ignore_DB: mysql
Replicate_Do_Table:
Replicate_Ignore_Table:
Replicate_Wild_Do_Table:
Replicate_Wild_Ignore_Table:
Last_Errno: 1050
Last_Error: Error 'Table 't0' already exists' on query.
Default database: 'test'. Query: 'create table t0 like t'
Skip_Counter: 0
Exec_Master_Log_Pos: 2298
Relay_Log_Space: 3557
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: 1050
Last_SQL_Error: Error 'Table 't0' already exists' on query.
Default database: 'test'. Query: 'create table t0 like t'
Replicate_Ignore_Server_Ids:
Master_Server_Id: 25
Master_UUID: cf716fda-74e2-11e2-b7b7-000c290a6b8f
Master_Info_File: /usr/local/mysql/data2/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: 130313 07:50:42
Master_SSL_Crl:
Master_SSL_Crlpath:
Retrieved_Gtid_Set: cf716fda-74e2-11e2-b7b7-000c290a6b8f:142-151
Executed_Gtid_Set: cf716fda-74e2-11e2-b7b7-000c290a6b8f:1-141
Auto_Position: 1
1 row in set (0.02 sec)

ERROR:
No query specified
### 看,这里的报错信息已经不一样了,按照这种方法,重复执行,直到同步复制正常。

mysql> stop slave;
Query OK, 0 rows affected (0.07 sec)

mysql> reset master;
Query OK, 0 rows affected (0.17 sec)

mysql> reset slave;
Query OK, 0 rows affected (0.16 sec)

mysql> set global gtid_purged='cf716fda-74e2-11e2-b7b7-000c290a6b8f:1-151';
Query OK, 0 rows affected (0.13 sec)

mysql> CHANGE MASTER TO MASTER_HOST='192.168.8.25',MASTER_USER='repl',MASTER_PASSWORD='repl'
,MASTER_AUTO_POSITION = 1;
Query OK, 0 rows affected, 2 warnings (0.33 sec)

mysql> start slave;
Query OK, 0 rows affected (0.11 sec)

mysql> show slave status\G;
*************************** 1. row ***************************
Slave_IO_State: Waiting for master to send event
Master_Host: 192.168.8.25
Master_User: repl
Master_Port: 3306
Connect_Retry: 60
Master_Log_File: mysql-bin.000007
Read_Master_Log_Pos: 5036
Relay_Log_File: M2-relay-bin.000008
Relay_Log_Pos: 408
Relay_Master_Log_File: mysql-bin.000007
Slave_IO_Running: Yes
Slave_SQL_Running: Yes
Replicate_Do_DB:
Replicate_Ignore_DB: mysql
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: 5036
Relay_Log_Space: 819
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: 25
Master_UUID: cf716fda-74e2-11e2-b7b7-000c290a6b8f
Master_Info_File: /usr/local/mysql/data2/master.info
SQL_Delay: 0
SQL_Remaining_Delay: NULL
Slave_SQL_Running_State: Slave has read all relay log; waiting for the slave I/O thread to update it
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: cf716fda-74e2-11e2-b7b7-000c290a6b8f:1-151
Auto_Position: 1
1 row in set (0.01 sec)

ERROR:
No query specified

呵呵,总算是解决好了,真麻烦啊。如果大家有更好、更方便的解决方法,也给我回帖哦,谢谢。

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