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This article mainly explains "how to solve the Last_Errno error problem in Mysql". Interested friends may wish to have a look. The method introduced in this paper is simple, fast and practical. Let's let Xiaobian take you to learn "How to solve the Last_Errno error problem in Mysql"!

Master_Log_File: mysql-bin.000283 Read_Master_Log_Pos: 715296037 Relay_Log_File: relay-log.000294 Relay_Log_Pos: 245347818 Relay_Master_Log_File: mysql-bin.000283 Slave_IO_Running: No Slave_SQL_Running: No Replicate_Do_DB: Replicate_Ignore_DB: Replicate_Do_Table: Replicate_Ignore_Table: Replicate_Wild_Do_Table: Replicate_Wild_Ignore_Table: mysql.%, test.% Last_Errno: 1755 Last_Error: Cannot execute the current event group in the parallel mode. Encountered event Stop, relay-log name ./ relay-log.000294, position 245347905 which prevents execution of this event group in parallel mode. Reason: possible malformed group of events from an old master. Skip_Counter: 0 Exec_Master_Log_Pos: 245347659 Relay_Log_Space: 715297197 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: NULLMaster_SSL_Verify_Server_Cert: No Last_IO_Errno: 0 Last_IO_Error: Last_SQL_Errno: 1755 Last_SQL_Error: Cannot execute the current event group in the parallel mode. Encountered event Stop, relay-log name ./ relay-log.000294, position 245347905 which prevents execution of this event group in parallel mode. Reason: possible malformed group of events from an old master. Replicate_Ignore_Server_Ids: Master_Server_Id: 2331597761 Master_UUID: 75f94423-e1c1-11e5-8da4-70e2840af125 Master_Info_File: /ssd/mysql/mysql_48284/var/master.info SQL_Delay: 0 SQL_Remaining_Delay: NULL Slave_SQL_Running_State: Semi_Sync_Group: Master_Retry_Count: 86400 Master_Bind: Last_IO_Error_Timestamp: Last_SQL_Error_Timestamp: 160311 15:54:17 Master_SSL_Crl: Master_SSL_Crlpath: Retrieved_Gtid_Set: Executed_Gtid_Set: Auto_Position: 0

After the above error is reported, you can stop slave, set slave_parallel_workers to 0, turn off parallel replication, and then start slave, and then turn parallel replication back on.

At this point, I believe that everyone has a deeper understanding of "how to solve the Last_Errno error problem in Mysql", so let's actually operate it! Here is the website, more related content can enter the relevant channels for inquiry, pay attention to us, continue to learn!

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