Use MySQL built-in replication to optimize availability (1 ). In Soundbreak, we play live audio and video continuously 24 hours a day, so we cannot make a convincing test of the new replication feature of MySQL. By testing our Soundbreak, we play live audio and video continuously 24 hours a day, so we cannot make a convincing test of the new replication feature of MySQL. Through tests, we found that this feature can be used to maintain data synchronization with the backup database server, so that when the master server fails to process for some reason, it can use the backup machine to process all the queries. It is not difficult to configure two servers. I will discuss in detail the entire process and how to use PHP to redirect queries when the master server fails.
The internal replication function of MySQL is implemented between two or more servers by setting the master-slave relationship between them. One of them serves as the master server and the other as the slave server. I will discuss in detail how to configure two servers, one as the master server and the other as the slave server. And describes the process of switching between them. I configured MySQL in MySQL 3.23.23 and tested it in MySQL. It is recommended that MySQL developers use the latest version and the master-slave servers use the same version. At the same time, MySQL 3.23 is still a beta version, and this version may not be backward compatible. For this reason, I have not used this version on my website. One advantage of fault tolerance is that the server is upgraded without interrupting any queries.
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