Disaster recovery data processing method, device and system
A technology for data processing and disaster recovery, applied in digital data processing, database update, structured data retrieval, etc. It can solve problems such as restricting normal user transactions, simultaneous accounting of disaster recovery databases, and inconsistent data status.
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[0032] In order to enable those skilled in the art to better understand the technical solutions in this specification, the technical solutions in one or more embodiments of this specification will be clearly and completely described below in conjunction with the drawings in one or more embodiments of this specification Obviously, the described embodiments are only some of the embodiments in the description, not all of them. Based on one or more embodiments in the description, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the embodiments of the description.
[0033] A network failure or unexpected termination of the database may cause some or all services to be unavailable, which is called database failover (disaster recovery) in the industry. A general database has a master database and a standby database, and database failover usually occurs on the master database. When the mai...
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