本文主要给大家简单讲讲MySQL5.7安装及配置MGR教程，相关专业术语大家可以上网查查或者找一些相关书籍补充一下，这里就不涉猎了，我们就直奔主题吧，希望MySQL5.7安装及配置MGR教程这篇文章可以给大家带来一些实际帮助。

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一、云服务器规划

mysql_mgr_01 192.168.10.223

mysql_mgr_02 192.168.10.224

mysql_mgr_03 192.168.10.225

二、配置文件

1. mysql_mgr_01

[root@mysql_mgr_01 tmp]# cat /etc/my.cnf

[mysqld]

sql_mode = STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION

server-id=330601

port = 3306

log_bin = /data/mysql/binlog/mysql_mgr01-bin

#expire_logs_days=10

explicit_defaults_for_timestamp=true

datadir=/data/mysql/data

socket=/data/mysql/run/mysql.sock

skip-external-locking

pid-file=/data/mysql/run/mysql.pid

innodb_file_per_table = on

#skip_name_resolve = on 

character-set-server = utf8mb4

character-set-client-handshake = FALSE

collation-server = utf8mb4_unicode_ci

init_connect='SET NAMES utf8mb4' 

slow_query_log = on

long_query_time = 2 

slow_query_log_file = /data/mysql/slow_logs/mysql-slow.log

binlog_rows_query_log_events=ON

relay-log=/data/mysql/relaylog/mysql_mgr_01-relay-bin

#

# Replication configuration parameters

#

gtid_mode=ON

enforce_gtid_consistency=ON

master_info_repository=TABLE

relay_log_info_repository=TABLE

binlog_checksum=NONE

log_slave_updates=ON

binlog_format=ROW

#

# Group Replication configuration

#

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= "192.168.10.223:24901"

loose-group_replication_group_seeds= "192.168.10.223:24901,192.168.10.224:24902,192.168.10.225:24903"

loose-group_replication_bootstrap_group=off

group_replication_member_weight = 100

symbolic-links=0

[mysqld_safe]

log-error=/data/mysql/logs/mysql.log

pid-file=/data/mysql/run/mysql.pid 

[mysql]

default-character-set = utf8mb4

socket=/data/mysql/run/mysql.sock 

[client]

#default-character-set = utf8mb4

socket=/data/mysql/run/mysql.sock

2. mysql_mgr_02

[root@mysql_mgr_02 tmp]# cat /etc/my.cnf

[mysqld]

sql_mode = STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION

server-id=330602

port = 3306

log_bin = /data/mysql/binlog/mysql_mgr02-bin

#expire_logs_days=10

explicit_defaults_for_timestamp=true

datadir=/data/mysql/data

socket=/data/mysql/run/mysql.sock

skip-external-locking

pid-file=/data/mysql/run/mysql.pid

innodb_file_per_table = on

#skip_name_resolve = on

relay-log=/data/mysql/relaylog/mysql_mgr_02-relay-bin

character-set-server = utf8mb4

character-set-client-handshake = FALSE

collation-server = utf8mb4_unicode_ci

init_connect='SET NAMES utf8mb4'

slow_query_log = on

long_query_time = 2 

slow_query_log_file = /data/mysql/slow_logs/mysql-slow.log 

symbolic-links=0

#

# Replication configuration parameters

#

gtid_mode=ON

enforce_gtid_consistency=ON

master_info_repository=TABLE

relay_log_info_repository=TABLE

binlog_checksum=NONE

log_slave_updates=ON

binlog_format=ROW

#

# Group Replication configuration

#

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= "192.168.10.224:24902"

loose-group_replication_group_seeds= "192.168.10.223:24901,192.168.10.224:24902,192.168.10.225:24903"

loose-group_replication_bootstrap_group=off

group_replication_member_weight = 80

[mysqld_safe]

log-error=/data/mysql/logs/mysql.log

pid-file=/data/mysql/run/mysql.pid

[mysql]

default-character-set = utf8mb4

socket=/data/mysql/run/mysql.sock

[client]

#default-character-set = utf8mb4

socket=/data/mysql/run/mysql.sock

3. mysql_mgr_03

[root@mysql_mgr_03 tmp]# cat /etc/my.cnf

[mysqld]

sql_mode = STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION

server-id=330603

port = 3306

log_bin = /data/mysql/binlog/mysql_mgr03-bin

#expire_logs_days=10

explicit_defaults_for_timestamp=true

datadir=/data/mysql/data

socket=/data/mysql/run/mysql.sock

skip-external-locking

pid-file=/data/mysql/run/mysql.pid

innodb_file_per_table = on

#skip_name_resolve = on

relay-log=/data/mysql/relaylog/mysql_mgr_03-relay-bin

character-set-server = utf8mb4

character-set-client-handshake = FALSE

collation-server = utf8mb4_unicode_ci

init_connect='SET NAMES utf8mb4'

slow_query_log = on

long_query_time = 2 

slow_query_log_file = /data/mysql/slow_logs/mysql-slow.log

symbolic-links=0

#

# Replication configuration parameters

#

gtid_mode=ON

enforce_gtid_consistency=ON

master_info_repository=TABLE

relay_log_info_repository=TABLE

binlog_checksum=NONE

log_slave_updates=ON

binlog_format=ROW

#

# Group Replication configuration

#

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= "192.168.10.225:24903"

loose-group_replication_group_seeds= "192.168.10.223:24901,192.168.10.224:24902,192.168.10.225:24903"

loose-group_replication_bootstrap_group=off

group_replication_member_weight = 90

[mysqld_safe]

log-error=/data/mysql/logs/mysql.log

pid-file=/data/mysql/run/mysql.pid

[mysql]

default-character-set = utf8mb4

socket=/data/mysql/run/mysql.sock

[client]

#default-character-set = utf8mb4

socket=/data/mysql/run/mysql.sock

三、MGR配置

1. mysql_mgr_01

[mysql_mgr_01]

#关闭SQL_LOG_BIN

SET SQL_LOG_BIN=0;

#创建组复制使用的帐号密码

CREATE USER rpl_user@'%' IDENTIFIED BY 'password';

GRANT REPLICATION SLAVE ON *.* TO rpl_user@'%';

FLUSH PRIVILEGES;

#开启SQL_LOG_BIN

SET SQL_LOG_BIN=1;

#安装组复制插件group_replication.so

INSTALL PLUGIN group_replication SONAME 'group_replication.so';

CHANGE MASTER TO MASTER_USER='rpl_user', MASTER_PASSWORD='password' FOR CHANNEL 'group_replication_recovery';

#初始化主节点

SET GLOBAL group_replication_bootstrap_group=ON;

START GROUP_REPLICATION;

SET GLOBAL group_replication_bootstrap_group=OFF;

#查看组复制成员状态

SELECT * FROM performance_schema.replication_group_members;

#备份

mysqldump -uroot -p --all-databases --master-data=2 --single-transaction>/tmp/all.sql

2. mysql_mgr_02

[mysql_mgr_02]

#恢复备份

#安装组复制插件group_replication.so

INSTALL PLUGIN group_replication SONAME 'group_replication.so';

CHANGE MASTER TO MASTER_USER='rpl_user', MASTER_PASSWORD='password' FOR CHANNEL 'group_replication_recovery';

#启动组复制

START GROUP_REPLICATION;

3. mysql_mgr_03

[mysql_mgr_03]

#恢复备份

#安装组复制插件group_replication.so

INSTALL PLUGIN group_replication SONAME 'group_replication.so';

CHANGE MASTER TO MASTER_USER='rpl_user', MASTER_PASSWORD='password' FOR CHANNEL 'group_replication_recovery';

#启动组复制

START GROUP_REPLICATION;

MySQL5.7安装及配置MGR教程就先给大家讲到这里，对于其它相关问题大家想要了解的可以持续关注我们的行业资讯。我们的板块内容每天都会捕捉一些行业新闻及专业知识分享给大家的。

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