[mysqld]
console
datadir=e:/gr/n1/data
basedir=e:/mysql-5.7.17-winx64
tmpdir=e:/gr/n1
port=3306
server_id=1
gtid_mode=ON
enforce_gtid_consistency=ON
master_info_repository=TABLE
relay_log_info_repository=TABLE
transaction_isolation=READ-COMMITTED
binlog_checksum=NONE
log_slave_updates=ON
log_bin=binlog
binlog_format=ROW
transaction_write_set_extraction=XXHASH64
loose-group_replication_group_name="aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa"
loose-group_replication_start_on_boot=OFF
loose-group_replication_local_address="127.0.0.1:24901"
loose-group_replication_group_seeds="127.0.0.1:24901,127.0.0.1:24902,127.0.0.1:24903"
loose-group_replication_bootstrap_group=OFF
loose-group_replication_single_primary_mode=ON
disabled_storage_engines=MyISAM,BLACKHOLE,FEDERATED,ARCHIVE,MEMORY,MRG_MYISAM,CSV


[to setup the group..]
SET SQL_LOG_BIN=0;
FLUSH PRIVILEGES;
CREATE USER rpl_user@'%';
GRANT REPLICATION SLAVE ON *.* TO rpl_user@'%' IDENTIFIED BY 'rpl_pass';
FLUSH PRIVILEGES;
SET SQL_LOG_BIN=1;
CHANGE MASTER TO MASTER_USER='rpl_user', MASTER_PASSWORD='rpl_pass' FOR CHANNEL 'group_replication_recovery';

INSTALL PLUGIN group_replication SONAME 'group_replication.dll';
SHOW PLUGINS;

SET GLOBAL group_replication_bootstrap_group=ON;
START GROUP_REPLICATION;
SET GLOBAL group_replication_bootstrap_group=OFF;
SELECT * FROM performance_schema.replication_group_members;
drop database if exists test;
CREATE DATABASE if not exists test;
use test;
drop table if exists t1;
CREATE TABLE t1 (c1 INT PRIMARY KEY, c2 blob)ENGINE=InnoDB;
insert into t1 values(1,'hollow');
SHOW BINLOG EVENTS;