mysql interview question 11: Talk about the MySQL master-slave replication model

This article focuses on interviews. In interviews, you only need to answer the key points. You do not need to have a very in-depth answer to the framework. If you want to cope with the interview, it is enough. Grasp the key points.

Interviewer: Tell us about the MySQL master-slave replication model ?

The configuration steps for MySQL master-slave replication are as follows:

1. Configure on the main server:

   • Open the configuration file my.cnf of the main server, enable the binary log function, configure parameters log-bin, and set a unique log file name, such as log-bin=mysql-bin.
   • Configure a unique server ID, you can use any integer, such as server-id=1.
   • Restart the main server to make the configuration take effect.

2. Configure on the slave server:

   • Open the configuration file my.cnf of the slave server and configure a unique server ID that is different from the master server, such as server-id=2.
   • Configure the information for the slave server to connect to the master server, including the master server's IP address, replication account and password, such as:

     master-host = 主服务器IP地址
     master-user = 复制账户
     master-password = 复制账户密码
     master-port = 主服务器端口（默认为3306）
     

   • Restart the slave