Database synchronization method and device and readable medium
A database and data technology, applied in the database field, can solve the problems of large delay and low efficiency between the host and the standby machine in database synchronization, and achieves improved writing and reading efficiency, reading efficiency, and writing. The effect of efficiency
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[0030] In order to make the purpose, technical solution and advantages of the present application clearer, the implementation manners of the present application will be further described in detail below in conjunction with the accompanying drawings.
[0031] First of all, the following nouns involved in the embodiments of the application are explained:
[0032] Host: for adjusting the database according to the received database transaction, optionally, the host includes a database and a binary server. Optionally, the host may be a physical host or a virtual host, and when it is a virtual host, the host may also be called a master instance.
[0033] Standby machine: used to back up the database in the host machine. Usually, the standby machine parses the received binary log data to obtain database transactions, and executes the database transactions on the standby machine to ensure that the database of the host machine is consistent with the database of the standby machine. be...
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