connect  master1,127.0.0.1,root,,,$SERVER_MYPORT_1;
connect  master2,127.0.0.1,root,,,$SERVER_MYPORT_2;
connect  slave,127.0.0.1,root,,,$SERVER_MYPORT_3;
set global slave_parallel_threads=10;
change master 'master1' to
master_port=MYPORT_1,
master_host='127.0.0.1',
master_user='root', master_ssl_verify_server_cert=0;
change master 'master2' to
master_port=MYPORT_2,
master_host='127.0.0.1',
master_user='root', master_ssl_verify_server_cert=0;
start all slaves;
set default_master_connection = 'master1';
include/wait_for_slave_to_start.inc
set default_master_connection = 'master2';
include/wait_for_slave_to_start.inc
## Slave status variable
set default_master_connection = 'master1';
show status like 'slave_running';
Variable_name	Value
Slave_running	ON
set default_master_connection = 'master2';
show status like 'slave_running';
Variable_name	Value
Slave_running	ON
#master 1
connection master1;
##Running CURD operation
connection slave;
Slave_DDL_Groups= 20;
Slave_Non_Transactional_Groups= 20;
Slave_Transactional_Groups= 0;
#master 2
connection master2;
##Running CURD operation
connection slave;
Slave_DDL_Groups= 20;
Slave_Non_Transactional_Groups= 20;
Slave_Transactional_Groups= 0;
#master 1
connection master1;
##Running CURD operation
connection slave;
Slave_DDL_Groups= 40;
Slave_Non_Transactional_Groups= 20;
Slave_Transactional_Groups= 20;
stop all slaves;
Warnings:
Note	1938	SLAVE 'master2' stopped
Note	1938	SLAVE 'master1' stopped
set default_master_connection = 'master1';
include/wait_for_slave_to_stop.inc
set default_master_connection = 'master2';
include/wait_for_slave_to_stop.inc
set global slave_parallel_threads=0;
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;