Step 3: read binlog position of MySQL primary server
mysql> SHOW MASTER STATUS\G
*************************** 1. row ***************************
File: master-bin.000002
Position: 1307
Binlog_Do_DB: test
Binlog_Ignore_DB: manual, mysql
Executed_Gtid_Set: 3E11FA47-71CA-11E1-9E33-C80AA9429562:1-5
1 row in set (0.00 sec)