Step 3: read binlog position of MySQL primary server
mysql> SHOW MASTER STATUS\G*************************** 1. row ***************************File: master-bin.000002Position: 1307Binlog_Do_DB: testBinlog_Ignore_DB: manual, mysqlExecuted_Gtid_Set: 3E11FA47-71CA-11E1-9E33-C80AA9429562:1-51 row in set (0.00 sec)
