Multi-copy storage method and multi-copy storage system for distributed database system
A multi-copy and database technology, applied in the computer field, can solve problems such as missing errors, unavailability, server downtime, power outage and downtime data, etc., and achieve the effect of improving disaster recovery capabilities
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[0021] Further illustrate the technical scheme of the present invention below in conjunction with accompanying drawing, but the protected content of the present invention is not limited to the following description:
[0022] Such as figure 1 As shown, the multi-copy storage fault-tolerant method is used to store data in distributed databases. In order to achieve high data availability and ensure that data storage nodes are unavailable due to power outages and downtimes, there are still available data for users in real time. The system It consists of a group of Master units, multiple storage nodes and an internal network connecting them. The data is stored in fragments, using a storage model of one master and two copies. The user operates the data of the master version, and the system synchronizes the data update in real time.
[0023] A fault-tolerant method for multi-copy storage, which includes the following steps:
[0024] S1: Data is stored in fragments. For each dat...
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