[linux ~]$ show slave status\G;
************ 1. row ***************************
Slave_IO_State: Waiting for master to send event
Master_Host: ***
Master_User: ***
Master_Port: ****
Connect_Retry: 60
Master_Log_File: sm-bin.*****
Read_Master_Log_Pos: *****
Relay_Log_File: db104-relay-bin.****
Relay_Log_Pos: 287813229
Relay_Master_Log_File: sm-bin.****
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: ******
Relay_Log_Space: ******
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: ******
Master_SSL_Crl:
Master_SSL_Crlpath:
**************abbreviation**************
If you want to whether slave works well or not, check these status.
Slave_IO_Running: Yes
Slave_SQL_Running: Yes
Also, there is no error displayed on slave status, slave is no problem to work..
Regarding the meanings of respective parameters, refer the official documents
https://dev.mysql.com/doc/refman/5.7/en/show-slave-status.html
https://mariadb.com/kb/en/library/show-slave-status/
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