Shulou(Shulou.com)05/31 Report--

This article mainly introduces the meaning of the separation of reading and writing in the database, which has a certain reference value, and interested friends can refer to it. I hope you will gain a lot after reading this article.

Database read-write separation means that in order to ensure the stability of database products, many databases have dual-computer hot backup function. That is, the first database server is a production server that provides addition, deletion and modification services, and the second database server is mainly for reading operations.

Read-write separation in order to ensure the stability of database products, many databases have dual hot backup function. That is, the first database server is a production server that provides addition, deletion and modification services, and the second database server is mainly for reading operations.

Principle:

Let the master database (master) handle transactional add, modify, and delete operations (INSERT, UPDATE, DELETE), while the slave database (slave) handles SELECT query operations.

Implementation method:

Through RAID technology, RAID is the abbreviation of Redundant Array of Independent Disks, which translates into Chinese meaning "redundant array of independent disks", sometimes referred to as Disk Array.

To put it simply, RAID is a combination of multiple independent hard drives (physical hard drives) in different ways to form a hard disk group (logical hard disk), thus providing higher storage performance and data backup technology than a single hard disk.

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