reset master; show master status; File Position Binlog_do_db Binlog_ignore_db master-bin.001 79 reset slave; show slave status; Master_Host Master_User Master_Port Connect_retry Master_Log_File Read_Master_Log_Pos Relay_Log_File Relay_Log_Pos Relay_Master_Log_File Slave_IO_Running Slave_SQL_Running Replicate_do_db Replicate_ignore_db Last_errno Last_error Skip_counter Exec_master_log_pos Relay_log_space change master to master_host='127.0.0.1'; show slave status; Master_Host Master_User Master_Port Connect_retry Master_Log_File Read_Master_Log_Pos Relay_Log_File Relay_Log_Pos Relay_Master_Log_File Slave_IO_Running Slave_SQL_Running Replicate_do_db Replicate_ignore_db Last_errno Last_error Skip_counter Exec_master_log_pos Relay_log_space 127.0.0.1 test MASTER_PORT 7 4 slave-relay-bin.001 4 No No 0 0 0 4 change master to master_host='127.0.0.1',master_user='root', master_password='',master_port=MASTER_PORT; show slave status; Master_Host Master_User Master_Port Connect_retry Master_Log_File Read_Master_Log_Pos Relay_Log_File Relay_Log_Pos Relay_Master_Log_File Slave_IO_Running Slave_SQL_Running Replicate_do_db Replicate_ignore_db Last_errno Last_error Skip_counter Exec_master_log_pos Relay_log_space 127.0.0.1 root MASTER_PORT 7 4 slave-relay-bin.001 4 No No 0 0 0 4 start slave; show slave status; Master_Host Master_User Master_Port Connect_retry Master_Log_File Read_Master_Log_Pos Relay_Log_File Relay_Log_Pos Relay_Master_Log_File Slave_IO_Running Slave_SQL_Running Replicate_do_db Replicate_ignore_db Last_errno Last_error Skip_counter Exec_master_log_pos Relay_log_space 127.0.0.1 root MASTER_PORT 7 master-bin.001 79 slave-relay-bin.001 120 master-bin.001 Yes Yes 0 0 79 120 drop table if exists t1; create table t1 (n int); insert into t1 values (10),(45),(90); select * from t1; n 10 45 90 drop table t1;