Mysql主從複製搭建 與讀寫分離

準備條件

準備2臺機器先安裝MySQL 5.7.20
Master-Server : 192.168.0.100
Slave-Server : 192.168.0.99

Master-Server 配置

修改配置

vim /etc/my.conf

添加以下配置

log-bin=mysql-bin
binlog_format=mixed
skip-name-resolve
innodb_file_per_table

server-id = 1

重啓Mysql

/etc/init.d/mysqld restart

配置主從複製賬戶

[root@iZbp1ajd582c8dtiadg2ggZ bin]# /opt/bin/mysql/bin/mysql -uroot -p'password'
mysql: [Warning] Using a password on the command line interface can be insecure.
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 3
Server version: 5.7.20-log MySQL Bright Thought

Copyright (c) 2000, 2017, Oracle and/or its affiliates. All rights reserved.

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> CREATE USER 'repl'@'192.168.0.99' IDENTIFIED BY 'password';
Query OK, 0 rows affected (0.02 sec)

mysql> GRANT REPLICATION SLAVE ON *.* TO 'repl'@'192.168.0.99';
Query OK, 0 rows affected (0.00 sec)

mysql> show master status;
+------------------+----------+--------------+------------------+-------------------+
| File             | Position | Binlog_Do_DB | Binlog_Ignore_DB | Executed_Gtid_Set |
+------------------+----------+--------------+------------------+-------------------+
| mysql-bin.000003 |     1457 |              |                  |                   |
+------------------+----------+--------------+------------------+-------------------+
1 row in set (0.00 sec)

Slave-Server 配置

修改配置

vim /etc/my.conf

添加以下配置

log-bin=mysql-bin
binlog_format=mixed
relay-log=relay-log
relay-log-index=relay-log.index

skip-name-resolve
innodb_file_per_table

server-id = 2
#slave_skip_errors = 1032,1062,1064
slave_parallel_type = LOGICAL_CLOCK
slave_parallel_workers = 2

重啓Mysql

/etc/init.d/mysqld restart

配置Master信息開啓主從複製

[root@iZbp1c0kqbtw5ac7nkw1pfZ bin]# /opt/bin/mysql/bin/mysql -uroot -p'password'
mysql: [Warning] Using a password on the command line interface can be insecure.
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 3
Server version: 5.7.20-log MySQL Bright Thought

Copyright (c) 2000, 2017, Oracle and/or its affiliates. All rights reserved.

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> CHANGE MASTER TO MASTER_HOST='192.168.0.100',MASTER_USER='repl',MASTER_PASSWORD='password',MASTER_PORT=3306,MASTER_LOG_FILE='mysql-bin.000003',MASTER_LOG_POS=1457,MASTER_CONNECT_RETRY=10;
Query OK, 0 rows affected, 2 warnings (0.04 sec)

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

mysql> show slave status\G;
*************************** 1. row ***************************
               Slave_IO_State: Waiting for master to send event
                  Master_Host: 192.168.0.100
                  Master_User: repl
                  Master_Port: 3306
                Connect_Retry: 10
              Master_Log_File: mysql-bin.000003
          Read_Master_Log_Pos: 1457
               Relay_Log_File: relay-log.000002
                Relay_Log_Pos: 320
        Relay_Master_Log_File: mysql-bin.000003
             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: 1457
              Relay_Log_Space: 521
              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: 0
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: 67a9c6c4-5c14-11e9-ad77-00163e098a07
             Master_Info_File: /opt/data/db/mysql/master.info
                    SQL_Delay: 0
          SQL_Remaining_Delay: NULL
      Slave_SQL_Running_State: Slave has read all relay log; waiting for more updates
           Master_Retry_Count: 86400
                  Master_Bind: 
      Last_IO_Error_Timestamp: 
     Last_SQL_Error_Timestamp: 
               Master_SSL_Crl: 
           Master_SSL_Crlpath: 
           Retrieved_Gtid_Set: 
            Executed_Gtid_Set: 
                Auto_Position: 0
         Replicate_Rewrite_DB: 
                 Channel_Name: 
           Master_TLS_Version: 
1 row in set (0.00 sec)

ERROR: 
No query specified

讀寫分離

Master-Server 配置

CREATE USER 'developer'@'192.168.0.%' IDENTIFIED BY 'password';
GRANT SELECT,INSERT,UPDATE ON *.* TO 'developer'@'192.168.0.%';
show grants for developer@'192.168.0.%';

Slave-Server 配置

REVOKE INSERT, UPDATE ON *.* from 'developer'@'192.168.0.%';

show grants for developer@'192.168.0.%';