gtid 1032错误案例
gtid 1032错误案例
大致背景：
分别在主从上删除了系统冗余账号。
mysql> delete from mysql.user where host='::1';
Query OK, 1 row affected (0.01 sec)
mysql> select user,host from mysql.user where host="::1";
Empty set (0.00 sec)
mysql> delete from mysql.user where host='dba\_test\_001';
Query OK, 1 row affected (0.00 sec)
mysql> select user,host from mysql.user where host="::1";
然后就顺利的模拟出了下面的故障。
[root@dba_test_002 ~]# cat error.txt
mysql> show slave status\G;
*************************** 1. row ***************************
Slave_IO_State: Waiting for master to send event
Master_Host: 10.10.50.60
Master_User: repl
Master_Port: 3306
Connect_Retry: 60
Master_Log_File: mysql-bin.000021
Read_Master_Log_Pos: 1761
Relay_Log_File: relay-bin.000051
Relay_Log_Pos: 401
Relay_Master_Log_File: mysql-bin.000021
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: 1032
Last_Error: Could not execute Delete_rows event on table mysql.user; Can't find record in 'user', Error_code: 1032; handler error HA_ERR_KEY_NOT_FOUND; the event's master log mysql-bin.000021, end_log_pos 707
Skip_Counter: 0
Exec_Master_Log_Pos: 191
Relay_Log_Space: 90227450
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: 1032
Last_SQL_Error: Could not execute Delete_rows event on table mysql.user; Can't find record in 'user', Error_code: 1032; handler error HA_ERR_KEY_NOT_FOUND; the event's master log mysql-bin.000021, end_log_pos 707
Replicate_Ignore_Server_Ids:
Master_Server_Id: 1574144089
Master_UUID: 0501f340-0a94-11ea-ad2b-5254007dcbb3
Master_Info_File: mysql.slave_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: 191204 16:11:25
Master_SSL_Crl:
Master_SSL_Crlpath:
Retrieved_Gtid_Set: 0501f340-0a94-11ea-ad2b-5254007dcbb3:10-5440870
Executed_Gtid_Set: 0501f340-0a94-11ea-ad2b-5254007dcbb3:1-5440867,
137347eb-0a94-11ea-ad2b-525400dd43f8:1-531071
Auto_Position: 0
1 row in set (0.00 sec)
ERROR:
No query specified
mysql>
# 检查主库的日志
/data/mysql/percona_server/bin/mysqlbinlog -vvv --base64-output-decode=rows --stop-position=707 mysql-bin.000021 >21.binlog
/data/mysql/percona_server/bin/mysqlbinlog: unknown variable 'default-character-set=utf8mb4'
两个方法可以解决这个问题
一是在MySQL的配置/etc/my.cnf中将default-character-set=utf8 修改为 character-set-server = utf8，但是这需要重启MySQL服务，如果你的MySQL服务正在忙，
那这样的代价会比较大。
二是用mysqlbinlog --no-defaults mysql-bin.000004 命令打开
/data/mysql/percona_server/bin/mysqlbinlog --no-defaults -vvv --base64-output=decode-rows --stop-position=707 mysql-bin.000021 >21.binlog
# 在解析出来的日志中
SET @@SESSION.GTID_NEXT= '0501f340-0a94-11ea-ad2b-5254007dcbb3:5440868'/*!*/;
# at 239
#191204 15:54:44 server id 1574144089 end_log_pos 307 CRC32 0x9a232d9b Query thread_id=1 exec_time=0 error_code=0
SET TIMESTAMP=1575446084/*!*/;
SET @@session.pseudo_thread_id=1/*!*/;
SET @@session.foreign_key_checks=1, @@session.sql_auto_is_null=0, @@session.unique_checks=1, @@session.autocommit=1/*!*/;
SET @@session.sql_mode=1073741824/*!*/;
SET @@session.auto_increment_increment=1, @@session.auto_increment_offset=1/*!*/;
/*!\C utf8mb4 *//*!*/;
SET @@session.character_set_client=224,@@session.collation_connection=224,@@session.collation_server=224/*!*/;
SET @@session.lc_time_names=0/*!*/;
SET @@session.collation_database=DEFAULT/*!*/;
BEGIN
/*!*/;
# at 307
#191204 15:54:44 server id 1574144089 end_log_pos 476 CRC32 0x226b252a Table_map: `mysql`.`user` mapped to number 1
# at 476
#191204 15:54:44 server id 1574144089 end_log_pos 707 CRC32 0x5f556bfd Delete_rows: table id 1 flags: STMT_END_F
SET GTID_NEXT='0501f340-0a94-11ea-ad2b-5254007dcbb3:5440868';
-- 这里的''中的值，不好确定，所以从主库日志中查看，经过验证，是正常的。笔者第一次，还错误的写成了'0501f340-0a94-11ea-ad2b-5254007dcbb3:5440870'
BEGIN;COMMIT;
SET GTID_NEXT='AUTOMATIC';
START SLAVE;
show slave status\G;
# 再次出现异常
mysql> show slave status\G;
*************************** 1. row ***************************
Slave_IO_State: Waiting for master to send event
Master_Host: 10.10.50.60
Master_User: repl
Master_Port: 3306
Connect_Retry: 60
Master_Log_File: mysql-bin.000021
Read_Master_Log_Pos: 1761
Relay_Log_File: relay-bin.000051
Relay_Log_Pos: 986
Relay_Master_Log_File: mysql-bin.000021
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: 1032
Last_Error: Could not execute Delete_rows event on table mysql.user; Can't find record in 'user', Error_code: 1032; handler error HA_ERR_KEY_NOT_FOUND; the event's master log mysql-bin.000021, end_log_pos 1194
Skip_Counter: 0
Exec_Master_Log_Pos: 776
Relay_Log_Space: 90227450
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: 1032
Last_SQL_Error: Could not execute Delete_rows event on table mysql.user; Can't find record in 'user', Error_code: 1032; handler error HA_ERR_KEY_NOT_FOUND; the event's master log mysql-bin.000021, end_log_pos 1194
Replicate_Ignore_Server_Ids:
Master_Server_Id: 1574144089
Master_UUID: 0501f340-0a94-11ea-ad2b-5254007dcbb3
Master_Info_File: mysql.slave_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: 191204 16:40:29
Master_SSL_Crl:
Master_SSL_Crlpath:
Retrieved_Gtid_Set: 0501f340-0a94-11ea-ad2b-5254007dcbb3:10-5440870
Executed_Gtid_Set: 0501f340-0a94-11ea-ad2b-5254007dcbb3:1-5440868:5440870,
137347eb-0a94-11ea-ad2b-525400dd43f8:1-531071
Auto_Position: 0
1 row in set (0.00 sec)
ERROR:
No query specified
#在日志中找到所需信息
SET @@SESSION.GTID_NEXT= '0501f340-0a94-11ea-ad2b-5254007dcbb3:5440869'/*!*/;
# at 824
#191204 15:55:17 server id 1574144089 end_log_pos 892 CRC32 0x8a128fdd Query thread_id=1 exec_time=0 error_code=0
SET TIMESTAMP=1575446117/*!*/;
BEGIN
/*!*/;
# at 892
#191204 15:55:17 server id 1574144089 end_log_pos 1061 CRC32 0x3fe67eeb Table_map: `mysql`.`user` mapped to number 1
# at 1061
#191204 15:55:17 server id 1574144089 end_log_pos 1194 CRC32 0x1fbd26d1 Delete_rows: table id 1 flags: STMT_END_F
SET GTID_NEXT='0501f340-0a94-11ea-ad2b-5254007dcbb3:5440869';
BEGIN;COMMIT;
SET GTID_NEXT='AUTOMATIC';
START SLAVE;
show slave status\G;
mysql> show slave status\G;
*************************** 1. row ***************************
Slave_IO_State: Waiting for master to send event
Master_Host: 10.10.50.60
Master_User: repl
Master_Port: 3306
Connect_Retry: 60
Master_Log_File: mysql-bin.000021
Read_Master_Log_Pos: 1761
Relay_Log_File: relay-bin.000051
Relay_Log_Pos: 1971
Relay_Master_Log_File: mysql-bin.000021
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: 1761
Relay_Log_Space: 90227450
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: 1574144089
Master_UUID: 0501f340-0a94-11ea-ad2b-5254007dcbb3
Master_Info_File: mysql.slave_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: 0501f340-0a94-11ea-ad2b-5254007dcbb3:10-5440870
Executed_Gtid_Set: 0501f340-0a94-11ea-ad2b-5254007dcbb3:1-5440870,
137347eb-0a94-11ea-ad2b-525400dd43f8:1-531071
Auto_Position: 0
1 row in set (0.00 sec)
[root@dba_test_002 ~]#
重于正常同步了！
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