connect  slave,127.0.0.1,root,,,$SERVER_MYPORT_3;
call mtr.add_suppression("Connection 'master1' already exists");
change master 'master1' to 
master_port=MYPORT_1, 
master_host='127.0.0.1', 
master_user='root', master_ssl_verify_server_cert=0,
master_heartbeat_period = 25;
start slave 'master1';
set default_master_connection = 'master1';
include/wait_for_slave_to_start.inc
set default_master_connection = '';
change master to
master_port=MYPORT_2,
master_host='127.0.0.1',
master_user='root', master_ssl_verify_server_cert=0,
master_heartbeat_period=35;
start slave;
include/wait_for_slave_to_start.inc
#
# Check how status works for the default connection, anonymous or named
#
# Slave_running and Slave_heartbeat_period should be local for a connection
#
set default_master_connection = '';
show status like 'Slave_running';
Variable_name Value
Slave_running ON
show status like 'Slave_heartbeat_period';
Variable_name Value
Slave_heartbeat_period 35.000
stop slave io_thread;
include/wait_for_slave_io_to_stop.inc
show status like 'Slave_running';
Variable_name Value
Slave_running OFF
set default_master_connection = 'master1';
show status like 'Slave_running';
Variable_name Value
Slave_running ON
show status like 'Slave_heartbeat_period';
Variable_name Value
Slave_heartbeat_period 25.000
#
# Slave_received_heartbeats should also be local
#
set default_master_connection = '';
stop slave sql_thread;
include/wait_for_slave_sql_to_stop.inc
change master to master_heartbeat_period=1;
show status like 'Slave_received_heartbeats';
Variable_name Value
Slave_received_heartbeats 0
start slave;
include/wait_for_slave_to_start.inc
show status like 'Slave_received_heartbeats';
Variable_name Value
Slave_received_heartbeats 2
stop slave;
include/wait_for_slave_to_stop.inc
set default_master_connection = 'master1';
show status like 'Slave_received_heartbeats';
Variable_name Value
Slave_received_heartbeats 0
stop slave;
include/wait_for_slave_to_stop.inc
change master to master_heartbeat_period=2;
start slave;
include/wait_for_slave_to_start.inc
show status like 'Slave_received_heartbeats';
Variable_name Value
Slave_received_heartbeats 1
#
# Slave_open_temp_tables should be global
#
set default_master_connection = '';
start slave;
include/wait_for_slave_to_start.inc
connect  master1,127.0.0.1,root,,,$SERVER_MYPORT_1;
set binlog_format = statement;
create temporary table tmp1 (i int) engine=MyISAM;
connection slave;
show status like 'Slave_open_temp_tables';
Variable_name Value
Slave_open_temp_tables 1
set default_master_connection = 'master1';
show status like 'Slave_open_temp_tables';
Variable_name Value
Slave_open_temp_tables 1
connect  master2,127.0.0.1,root,,,$SERVER_MYPORT_2;
set binlog_format = statement;
create temporary table tmp1 (i int) engine=MyISAM;
connection slave;
show status like 'Slave_open_temp_tables';
Variable_name Value
Slave_open_temp_tables 2
set default_master_connection = '';
show status like 'Slave_open_temp_tables';
Variable_name Value
Slave_open_temp_tables 2
include/reset_master_slave.inc
disconnect slave;
connection master1;
include/reset_master_slave.inc
disconnect master1;
connection master2;
include/reset_master_slave.inc
disconnect master2;