mgr

mv mysql-5.7.20-linux-glibc2.12-x86_64 ../mysql-5.7
mkdir -p /var/lib/mysql/data
cd /usr/local/mysql-5.7/
useradd -M -s /sbin/nologin mysql
chown -R mysql:mysql /var/lib/mysql/data
cd /var/lib/mysql/data

配置文件

vi my.cnf

[client]

port=3306
socket=/var/lib/mysql/data/mysql.sock

default-character-set = utf8mb4
init-connect=‘SET NAMES utf8mb4‘
character-set-server = utf8mb4

[mysqld]
# server configuration
# directory config
datadir=/var/lib/mysql/data
basedir=/usr/local/mysql-5.7/
port=3306
socket=/var/lib/mysql/data/mysql.sock

#replica config
server_id=1
gtid_mode=ON
enforce_gtid_consistency=ON
master_info_repository=TABLE
relay_log_info_repository=TABLE
binlog_checksum=NONE
log_slave_updates=ON
log_bin=binlog
binlog_format=ROW

# mgr config

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= "192.168.110.139:33061"   --  独立于应用连接端口
# Note that this option does not need to list all members in the group, but rather a list of servers that should b#e contacted in case this server wishes to join the group
#The server that starts the group does not make use of this option, since it is the initial server and as
#such, it is in charge of bootstrapping the group.
loose-group_replication_group_seeds= "192.168.110.139:33061,192.168.110.140:33061,192.168.110.141:33061"  -- 不需要列出所有成员，最好都列出来
loose-group_replication_bootstrap_group= off

# 字符集

default-character-set = utf8mb4
init-connect=‘SET NAMES utf8mb4‘
character-set-server = utf8mb4

# 存储引擎

default_storage_engine = Innodb

# 内存

innodb_buffer_pool_size = 48G

# redo

innodb_log_buffer_size = 16M

innodb_log_file_size = 1024M

innodb_log_files_in_group = 3

innodb_log_group_home_dir = /var/lib/mysql/data

# io

innodb_flush_log_at_trx_commit = 1

sync_binlog = 1

#初始化连接

init_connect = ‘set names utf8mb4‘

# report_host

report_port = 3306
report_host = 192.168.110.139

#logs

general_log = 0
log_error =/var/lib/mysql/data/mysql_error.log
slow_query_log_file = /var/lib/mysql/data/mysql_slow.log
general_log_file = /var/lib/mysql/data/mysql_general.log
# relay_log = /var/lib/mysql/data/relay-bin

# 组内成员独立配置选项

server_id, datadir, group_replication_local_address