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基于 GTID 配置 MySQL 主从同步

MySQL-Master

设置主机名 && 启动主库
$ hostnamectl --static set-hostname mysql-master

cat >> /etc/hosts <<EOF
192.168.213.25 proxysql
192.168.213.26 mysql-master
192.168.213.27 mysql-slave-01
192.168.213.28 mysql-slave-02
EOF

$ tree ./
.
├── config
│   └── my.cnf
├── log
│   └── mysqld.log
└── start.sh

2 directories, 3 files

$ cat config/my.cnf
[mysqld]
datadir = /var/lib/mysql
socket = /var/lib/mysql/mysql.sock
        
symbolic-links = 0
        
log-error = /var/log/mysql/mysqld.log
pid-file = /var/run/mysqld/mysqld.pid
    
#GTID:
server_id = 1
gtid_mode = on
enforce_gtid_consistency = on
      
#binlog
log_bin = master-bin
log-slave-updates = 1
binlog_format = row
sync-master-info = 1    
sync_binlog = 1        
     
#relay log
skip_slave_start = 1

$ cat start.sh
#!/bin/sh

docker run -d -e MYSQL_ROOT_PASSWORD=123456 -v $PWD/config/my.cnf:/etc/my.cnf -v $PWD/log/mysqld.log:/var/log/mysql/mysqld.log -p 3306:3306  docker.io/mysql:5.7

$ sh start.sh

$ mysql -h mysql-master -uroot -p
Enter password:
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 5
Server version: 5.7.34-log MySQL Community Server (GPL)

Copyright (c) 2000, 2021, Oracle and/or its affiliates.

Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

mysql> show master status;
+-------------------+----------+--------------+------------------+------------------------------------------+
| File              | Position | Binlog_Do_DB | Binlog_Ignore_DB | Executed_Gtid_Set                        |
+-------------------+----------+--------------+------------------+------------------------------------------+
| master-bin.000003 |      194 |              |                  | b9ef965e-d6f2-11eb-b1fd-0242ac110002:1-5 |
+-------------------+----------+--------------+------------------+------------------------------------------+
1 row in set (0.00 sec)

mysql> show global variables like '%uuid%';
+---------------+--------------------------------------+
| Variable_name | Value                                |
+---------------+--------------------------------------+
| server_uuid   | b9ef965e-d6f2-11eb-b1fd-0242ac110002 |
+---------------+--------------------------------------+
1 row in set (0.00 sec)

mysql> show global variables like '%gtid%';
+----------------------------------+------------------------------------------+
| Variable_name                    | Value                                    |
+----------------------------------+------------------------------------------+
| binlog_gtid_simple_recovery      | ON                                       |
| enforce_gtid_consistency         | ON                                       |
| gtid_executed                    | b9ef965e-d6f2-11eb-b1fd-0242ac110002:1-5 |
| gtid_executed_compression_period | 1000                                     |
| gtid_mode                        | ON                                       |
| gtid_owned                       |                                          |
| gtid_purged                      |                                          |
| session_track_gtids              | OFF                                      |
+----------------------------------+------------------------------------------+
8 rows in set (0.00 sec)

mysql>  grant replication slave,replication client on *.* to [email protected]'192.168.213.%' identified by '123456';
Query OK, 0 rows affected, 1 warning (0.00 sec)

mysql> flush privileges;
Query OK, 0 rows affected (0.00 sec)

mysql> show grants for [email protected]'192.168.213.%';
+---------------------------------------------------------------------------------------+
| Grants for [email protected]%                                                |
+---------------------------------------------------------------------------------------+
| GRANT REPLICATION SLAVE, REPLICATION CLIENT ON *.* TO 'account_slave'@'192.168.213.%' |
+---------------------------------------------------------------------------------------+
1 row in set (0.00 sec)

mysql> CREATE DATABASE demo_proxysql  CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci;
Query OK, 1 row affected (0.00 sec)

mysql> create table if not exists demo_proxysql.table01(id int(10) PRIMARY KEY AUTO_INCREMENT,name varchar(50) NOT NULL);
Query OK, 0 rows affected (0.02 sec)

mysql> insert into demo_proxysql.table01(name) values('A'),('B'),('C');
Query OK, 3 rows affected (0.00 sec)
Records: 3  Duplicates: 0  Warnings: 0

mysql> select * from demo_proxysql.table01;
+----+------+
| id | name |
+----+------+
|  1 | A    |
|  2 | B    |
|  3 | C    |
+----+------+
3 rows in set (0.01 sec)
           

MySQL-Slave-01

设置主机名 && 启动从库 01
$ hostnamectl --static set-hostname mysql-slave-01

$ cat >> /etc/hosts <<EOF
192.168.213.25 proxysql
192.168.213.26 mysql-master
192.168.213.27 mysql-slave-01
192.168.213.28 mysql-slave-02
EOF

$ tree .
.
├── config
│   └── my.cnf
├── log
│   └── mysqld.log
└── start.sh

2 directories, 3 files

$ cat config/my.cnf
[mysqld]
datadir = /var/lib/mysql
socket = /var/lib/mysql/mysql.sock
        
symbolic-links = 0
        
log-error = /var/log/mysql/mysqld.log
pid-file = /var/run/mysqld/mysqld.pid
    
#GTID:
server_id = 2
gtid_mode = on
enforce_gtid_consistency = on
      
#binlog
log_bin = master-bin
log-slave-updates = 1
binlog_format = row
sync-master-info = 1
sync_binlog = 1
      
#relay log
skip_slave_start = 1
read_only = on

$ cat start.sh
#!/bin/sh

docker run -d -e MYSQL_ROOT_PASSWORD=123456 -v $PWD/config/my.cnf:/etc/my.cnf -v $PWD/log/mysqld.log:/var/log/mysql/mysqld.log -p 3306:3306  docker.io/mysql:5.7

$ sh start.sh

$ mysql -h mysql-slave-01 -uroot -p
Enter password:
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 2
Server version: 5.7.34-log MySQL Community Server (GPL)

Copyright (c) 2000, 2021, Oracle and/or its affiliates.

Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

mysql> show databases;
+--------------------+
| Database           |
+--------------------+
| information_schema |
| mysql              |
| performance_schema |
| sys                |
+--------------------+
4 rows in set (0.00 sec)

mysql> stop slave;
Query OK, 0 rows affected, 1 warning (0.00 sec)

mysql> change master to master_host='192.168.213.26',master_user='account_slave',master_password='123456',master_auto_position=1;
Query OK, 0 rows affected, 1 warning (0.03 sec)

mysql> start slave;
Query OK, 0 rows affected (0.00 sec)

mysql>  show slave status \G;
*************************** 1. row ***************************
               Slave_IO_State: Queueing master event to the relay log
                  Master_Host: 192.168.213.26
                  Master_User: account_slave
                  Master_Port: 3306
                Connect_Retry: 60
              Master_Log_File: master-bin.000002
          Read_Master_Log_Pos: 2086914
               Relay_Log_File: 3fa386d5e0ff-relay-bin.000002
                Relay_Log_Pos: 1029
        Relay_Master_Log_File: master-bin.000002
             Slave_IO_Running: Yes
            Slave_SQL_Running: Yes
              Replicate_Do_DB:
          Replicate_Ignore_DB:
           Replicate_Do_Table:
       Replicate_Ignore_Table:
      Replicate_Wild_Do_Table:
  Replicate_Wild_Ignore_Table:
                   Last_Errno: 0
                   Last_Error:
                 Skip_Counter: 0
          Exec_Master_Log_Pos: 814
              Relay_Log_Space: 2087343
              Until_Condition: None
               Until_Log_File:
                Until_Log_Pos: 0
           Master_SSL_Allowed: No
           Master_SSL_CA_File:
           Master_SSL_CA_Path:
              Master_SSL_Cert:
            Master_SSL_Cipher:
               Master_SSL_Key:
        Seconds_Behind_Master: 3325
Master_SSL_Verify_Server_Cert: No
                Last_IO_Errno: 0
                Last_IO_Error:
               Last_SQL_Errno: 0
               Last_SQL_Error:
  Replicate_Ignore_Server_Ids:
             Master_Server_Id: 1
                  Master_UUID: b9ef965e-d6f2-11eb-b1fd-0242ac110002
             Master_Info_File: /var/lib/mysql/master.info
                    SQL_Delay: 0
          SQL_Remaining_Delay: NULL
      Slave_SQL_Running_State: Reading event from the relay log
           Master_Retry_Count: 86400
                  Master_Bind:
      Last_IO_Error_Timestamp:
     Last_SQL_Error_Timestamp:
               Master_SSL_Crl:
           Master_SSL_Crlpath:
           Retrieved_Gtid_Set: b9ef965e-d6f2-11eb-b1fd-0242ac110002:1-4
            Executed_Gtid_Set: b9ef965e-d6f2-11eb-b1fd-0242ac110002:1-4,
d975e4dc-d6f9-11eb-99a4-0242ac110002:1-5
                Auto_Position: 1
         Replicate_Rewrite_DB:
                 Channel_Name:
           Master_TLS_Version:
1 row in set (0.00 sec)
ERROR: No query specified

mysql> show global variables like '%gtid%';
+----------------------------------+-------------------------------------------------------------------------------------+
| Variable_name                    | Value                                                                               |
+----------------------------------+-------------------------------------------------------------------------------------+
| binlog_gtid_simple_recovery      | ON                                                                                  |
| enforce_gtid_consistency         | ON                                                                                  |
| gtid_executed                    | b9ef965e-d6f2-11eb-b1fd-0242ac110002:1-10,d975e4dc-d6f9-11eb-99a4-0242ac110002:1-5  |
| gtid_executed_compression_period | 1000                                                                                |
| gtid_mode                        | ON                                                                                  |
| gtid_owned                       |                                                                                     |
| gtid_purged                      |                                                                                     |
| session_track_gtids              | OFF                                                                                 |
+----------------------------------+-------------------------------------------------------------------------------------+
8 rows in set (0.00 sec)

mysql> show databases;
+--------------------+
| Database           |
+--------------------+
| information_schema |
| demo_proxysql      |
| mysql              |
| performance_schema |
| sys                |
+--------------------+
5 rows in set (0.00 sec)

mysql> select * from demo_proxysql.table01;
+----+------+
| id | name |
+----+------+
|  1 | A    |
|  2 | B    |
|  3 | C    |
+----+------+
3 rows in set (0.00 sec)
           

MySQL-Slave-02

设置主机名 && 启动从库 02
$ hostnamectl --static set-hostname mysql-slave-02

$ cat >> /etc/hosts <<EOF
192.168.213.25 proxysql
192.168.213.26 mysql-master
192.168.213.27 mysql-slave-01
192.168.213.28 mysql-slave-02
EOF

$ tree .
.
├── config
│   └── my.cnf
├── log
│   └── mysqld.log
└── start.sh

2 directories, 3 files

$ cat config/my.cnf
[mysqld]
datadir = /var/lib/mysql
socket = /var/lib/mysql/mysql.sock
        
symbolic-links = 0
        
log-error = /var/log/mysql/mysqld.log
pid-file = /var/run/mysqld/mysqld.pid
    
#GTID:
server_id = 3
gtid_mode = on
enforce_gtid_consistency = on
      
#binlog
log_bin = master-bin
log-slave-updates = 1
binlog_format = row
sync-master-info = 1
sync_binlog = 1
      
#relay log
skip_slave_start = 1
read_only = on

$ cat start.sh
#!/bin/sh

docker run -d -e MYSQL_ROOT_PASSWORD=123456 -v $PWD/config/my.cnf:/etc/my.cnf -v $PWD/log/mysqld.log:/var/log/mysql/mysqld.log -p 3306:3306  docker.io/mysql:5.7

$ sh start.sh

$ mysql -h mysql-slave-02 -uroot -p
Enter password:
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 2
Server version: 5.7.34-log MySQL Community Server (GPL)

Copyright (c) 2000, 2021, Oracle and/or its affiliates.

Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

mysql> stop slave;
Query OK, 0 rows affected, 1 warning (0.00 sec)

mysql> change master to master_host='192.168.213.26',master_user='account_slave',master_password='123456',master_auto_position=1;
Query OK, 0 rows affected, 1 warning (0.01 sec)

mysql>  start slave;
Query OK, 0 rows affected (0.01 sec)

mysql> show slave status \G;
*************************** 1. row ***************************
               Slave_IO_State: Queueing master event to the relay log
                  Master_Host: 192.168.213.26
                  Master_User: account_slave
                  Master_Port: 3306
                Connect_Retry: 60
              Master_Log_File: master-bin.000002
          Read_Master_Log_Pos: 976255
               Relay_Log_File: 75f44fde7c0d-relay-bin.000002
                Relay_Log_Pos: 1029
        Relay_Master_Log_File: master-bin.000002
             Slave_IO_Running: Yes
            Slave_SQL_Running: Yes
              Replicate_Do_DB:
          Replicate_Ignore_DB:
           Replicate_Do_Table:
       Replicate_Ignore_Table:
      Replicate_Wild_Do_Table:
  Replicate_Wild_Ignore_Table:
                   Last_Errno: 0
                   Last_Error:
                 Skip_Counter: 0
          Exec_Master_Log_Pos: 814
              Relay_Log_Space: 976684
              Until_Condition: None
               Until_Log_File:
                Until_Log_Pos: 0
           Master_SSL_Allowed: No
           Master_SSL_CA_File:
           Master_SSL_CA_Path:
              Master_SSL_Cert:
            Master_SSL_Cipher:
               Master_SSL_Key:
        Seconds_Behind_Master: 4296
Master_SSL_Verify_Server_Cert: No
                Last_IO_Errno: 0
                Last_IO_Error:
               Last_SQL_Errno: 0
               Last_SQL_Error:
  Replicate_Ignore_Server_Ids:
             Master_Server_Id: 1
                  Master_UUID: b9ef965e-d6f2-11eb-b1fd-0242ac110002
             Master_Info_File: /var/lib/mysql/master.info
                    SQL_Delay: 0
          SQL_Remaining_Delay: NULL
      Slave_SQL_Running_State: Reading event from the relay log
           Master_Retry_Count: 86400
                  Master_Bind:
      Last_IO_Error_Timestamp:
     Last_SQL_Error_Timestamp:
               Master_SSL_Crl:
           Master_SSL_Crlpath:
           Retrieved_Gtid_Set: b9ef965e-d6f2-11eb-b1fd-0242ac110002:1-4
            Executed_Gtid_Set: 23c7b76c-d6fc-11eb-90fd-0242ac110002:1-5,
b9ef965e-d6f2-11eb-b1fd-0242ac110002:1-4
                Auto_Position: 1
         Replicate_Rewrite_DB:
                 Channel_Name:
           Master_TLS_Version:
1 row in set (0.01 sec)

ERROR:No query specified

mysql> show global variables like '%gtid%';
+----------------------------------+-------------------------------------------------------------------------------------+
| Variable_name                    | Value                                                                               |
+----------------------------------+-------------------------------------------------------------------------------------+
| binlog_gtid_simple_recovery      | ON                                                                                  |
| enforce_gtid_consistency         | ON                                                                                  |
| gtid_executed                    | 23c7b76c-d6fc-11eb-90fd-0242ac110002:1-5,
b9ef965e-d6f2-11eb-b1fd-0242ac110002:1-10 |
| gtid_executed_compression_period | 1000                                                                                |
| gtid_mode                        | ON                                                                                  |
| gtid_owned                       |                                                                                     |
| gtid_purged                      |                                                                                     |
| session_track_gtids              | OFF                                                                                 |
+----------------------------------+-------------------------------------------------------------------------------------+
8 rows in set (0.00 sec)

mysql> show databases;
+--------------------+
| Database           |
+--------------------+
| information_schema |
| demo_proxysql      |
| mysql              |
| performance_schema |
| sys                |
+--------------------+
5 rows in set (0.00 sec)

mysql> select * from demo_proxysql.table01;
+----+------+
| id | name |
+----+------+
|  1 | A    |
|  2 | B    |
|  3 | C    |
+----+------+
3 rows in set (0.00 sec)
           

MySQL-Master

测试数据同步
$ mysql -h mysql-master -uroot -p
Enter password:
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 8
Server version: 5.7.34-log MySQL Community Server (GPL)

Copyright (c) 2000, 2021, Oracle and/or its affiliates.

Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

mysql> show slave hosts;
+-----------+------+------+-----------+--------------------------------------+
| Server_id | Host | Port | Master_id | Slave_UUID                           |
+-----------+------+------+-----------+--------------------------------------+
|         3 |      | 3306 |         1 | 23c7b76c-d6fc-11eb-90fd-0242ac110002 |
|         2 |      | 3306 |         1 | d975e4dc-d6f9-11eb-99a4-0242ac110002 |
+-----------+------+------+-----------+--------------------------------------+
2 rows in set (0.00 sec)

mysql> insert into demo_proxysql.table01(name)values('D'),('E'),('F');
Query OK, 3 rows affected (0.00 sec)
Records: 3  Duplicates: 0  Warnings: 0

mysql> exit
Bye

# 测试数据同步
mysql -h mysql-slave-01 -uroot -p        
Enter password:
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 5
Server version: 5.7.34-log MySQL Community Server (GPL)

Copyright (c) 2000, 2021, Oracle and/or its affiliates.

Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

mysql> select * from demo_proxysql.table01;
+----+------+
| id | name |
+----+------+
|  1 | A    |
|  2 | B    |
|  3 | C    |
|  4 | D    |
|  5 | E    |
|  6 | F    |
+----+------+
6 rows in set (0.00 sec)
           

参考

  • ProxySQL 配置详解及读写分离(+GTID)等功能说明 (完整篇)

    https://www.cnblogs.com/kevingrace/p/10329714.html