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Replication problem - delay. SHOW SLAVE STATUS to interpret.
Posted by: Sla Slaw
Date: January 31, 2019 05:08PM

I have some problems with replication on Mysql 5.6.27.

Sometimes I see huge delay in synchronisation between Master and Slave.

I'm attaching my SHOW MASTER and SHOW SLAVE STATUS.

What may be a source of this problem in my case?

************************** MASTER STATUS **************************
File: mysql-bin-log.042471
Position: 547150564
Binlog_Do_DB:
Binlog_Ignore_DB:
Executed_Gtid_Set:


************************** Slave status **************************
Slave_IO_State: Waiting for master to send event
Master_Host: host
Master_User: user
Master_Port: port
Connect_Retry: 60
Master_Log_File: mysql-bin-log.042471
Read_Master_Log_Pos: 639210911
Relay_Log_File: mysql-relay-bin.004287
Relay_Log_Pos: 577683595
Relay_Master_Log_File: mysql-bin-log.042467
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: 577683428
Relay_Log_Space: 4934228238
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: 3609
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: 101
Master_Info_File: /data/real/master.info
SQL_Delay: 0
SQL_Remaining_Delay: NULL
Slave_SQL_Running_State: Waiting for Slave Worker to release partition
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:
Auto_Position: 0


Many thanks for help!
Regards
S

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Replication problem - delay. SHOW SLAVE STATUS to interpret.
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January 31, 2019 05:08PM


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