mysql> stop slave ;
Query OK, 0 rows affected (0.00 sec) mysql> change master to master_delay=10;
Query OK, 0 rows affected (0.02 sec) mysql> start slave;
Query OK, 0 rows affected (0.01 sec) mysql> show slave status\G
*************************** 1. row ***************************
Slave_IO_State: Connecting to master
...
Master_Info_File: /var/mysql/data/master.info
SQL_Delay: 10
SQL_Remaining_Delay: NULL
Slave_SQL_Running_State: Slave has read all relay log; waiting for the slave I/O thread to update it
...
Auto_Position: 0
1 row in set (0.00 sec) mysql>