config root man

include/group_replication.inc [rpl_server_count=3]
Warnings:
Note	####	Sending passwords in plain text without SSL/TLS is extremely insecure.
Note	####	Storing MySQL user name or password information in the master info repository is not secure and is therefore not recommended. Please consider using the USER and PASSWORD connection options for START SLAVE; see the 'START SLAVE Syntax' in the MySQL Manual for more information.
[connection server1]
[connection server1]
SET sql_log_bin=0;
CREATE TABLE t1(a int primary key);
SET sql_log_bin=1;
include/start_and_bootstrap_group_replication.inc
[connection server2]
SET sql_log_bin=0;
CREATE TABLE t1(a int primary key);
SET sql_log_bin=1;
include/start_group_replication.inc
[connection server1]
CREATE PROCEDURE dml_operations()
BEGIN
declare x INT;
set x=1;
while x<100 do
insert into t1 values (x);
update t1 set a=x+200 where a=x;
delete from t1 where a<250;
set x=x+1;
end  while;
end$$

----call procedure----
call dml_operations();

include/rpl_sync.inc
[connection server3]
SET sql_log_bin=0;
CREATE TABLE t1(a int primary key);
SET sql_log_bin=1;
LOCK TABLES t1 READ;
[connection server_3]
SET SESSION sql_log_bin= 0;
call mtr.add_suppression("There was an error when connecting to the donor server.*");
call mtr.add_suppression("For details please check performance_schema.replication_connection_status table and error log messages of Slave I/O for channel group_replication_recovery.");
call mtr.add_suppression("Slave I/O for channel 'group_replication_recovery': Master command COM_REGISTER_SLAVE failed: failed registering on master, reconnecting to try again.*");
SET SESSION sql_log_bin= 1;
include/start_group_replication.inc
CREATE PROCEDURE dml_operations_2()
BEGIN
declare x INT;
set x=100;
while x<200 do
insert into t1 values (x);
update t1 set a=x+200 where a=x;
delete from t1 where a<320;
set x=x+1;
end  while;
end$$

----call procedure----
call dml_operations_2();

UNLOCK TABLES;
SET sql_log_bin=0;
call mtr.add_suppression(".*Slave SQL for channel 'group_replication_applier': ... The slave coordinator and worker threads are stopped, possibly leaving data in inconsistent state*");
SET sql_log_bin=1;
# killing
# Kill and restart:--group_replication_local_address=GROUP_REPLICATION_LOCAL_ADDRESS --group_replication_group_seeds=GROUP_REPLICATION_GROUP_SEEDS --group_replication_group_name=GROUP_REPLICATION_GROUP_NAME --group_replication_ip_whitelist=GROUP_REPLICATION_GROUP_WHITELIST
# restarting
include/rpl_reconnect.inc
# check that there are 2 mebers in the group
include/rpl_gr_wait_for_number_of_members.inc
include/start_group_replication.inc
include/rpl_sync.inc
include/diff_tables.inc [server1:t1, server2:t1, server3:t1]
drop table t1;
drop procedure dml_operations;
drop procedure dml_operations_2;
include/group_replication_end.inc