connect master,localhost,root,,test,$MASTER_MYPORT,$MASTER_MYSOCK; connect slave,localhost,root,,test,$SLAVE_MYPORT,$SLAVE_MYSOCK; connection master; reset master; connection slave; set @restore_slave_net_timeout= @@global.slave_net_timeout; set @@global.slave_net_timeout= 10; change master to master_host='127.0.0.1',master_port=MASTER_PORT, master_user='root'; show status like 'Slave_heartbeat_period';; Variable_name Slave_heartbeat_period Value 5.000 change master to master_host='127.0.0.1',master_port=MASTER_PORT, master_user='root', master_heartbeat_period= 4294968; ERROR HY000: The requested value for the heartbeat period is either negative or exceeds the maximum allowed (4294967 seconds) show status like 'Slave_heartbeat_period';; Variable_name Slave_heartbeat_period Value 5.000 connection slave; change master to master_host='127.0.0.1',master_port=MASTER_PORT, master_user='root', master_heartbeat_period= 0.0009999; Warnings: Warning 1703 The requested value for the heartbeat period is less than 1 millisecond. The value is reset to 0, meaning that heartbeating will effectively be disabled show status like 'Slave_heartbeat_period';; Variable_name Slave_heartbeat_period Value 0.000 change master to master_host='127.0.0.1',master_port=MASTER_PORT, master_user='root', master_heartbeat_period= 4294967; Warnings: Warning 1704 The requested value for the heartbeat period exceeds the value of `slave_net_timeout' seconds. A sensible value for the period should be less than the timeout show status like 'Slave_heartbeat_period';; Variable_name Slave_heartbeat_period Value 4294967.000 change master to master_host='127.0.0.1',master_port=MASTER_PORT, master_user='root', master_heartbeat_period= 0.001; show status like 'Slave_heartbeat_period';; Variable_name Slave_heartbeat_period Value 0.001 reset slave; set @@global.slave_net_timeout= 5; change master to master_host='127.0.0.1',master_port=MASTER_PORT, master_user='root', master_heartbeat_period= 5.001; Warnings: Warning 1704 The requested value for the heartbeat period exceeds the value of `slave_net_timeout' seconds. A sensible value for the period should be less than the timeout show status like 'Slave_heartbeat_period';; Variable_name Slave_heartbeat_period Value 5.001 reset slave; set @@global.slave_net_timeout= 5; change master to master_host='127.0.0.1',master_port=MASTER_PORT, master_user='root', master_heartbeat_period= 4; show status like 'Slave_heartbeat_period';; Variable_name Slave_heartbeat_period Value 4.000 set @@global.slave_net_timeout= 3 /* must be a warning */; reset slave; connection master; drop table if exists t1; connection slave; set @@global.slave_net_timeout= 10; change master to master_host='127.0.0.1',master_port=MASTER_PORT, master_user='root', master_heartbeat_period= 0.5; show status like 'Slave_heartbeat_period';; Variable_name Slave_heartbeat_period Value 0.500 start slave; connection master; create table t1 (f1 int); connection slave; include/check_slave_param.inc [Relay_Log_File] show status like 'Slave_heartbeat_period';; Variable_name Slave_heartbeat_period Value 0.500 A heartbeat has been received by the slave connection master; drop table t1; connection slave; set @@global.slave_net_timeout= @restore_slave_net_timeout; include/stop_slave.inc End of tests