Data synchronization method and data synchronization device based on incremental log analysis

A data synchronization and log technology, applied in the direction of electronic digital data processing, structured data retrieval, special data processing applications, etc., can solve the problems of low security, maintain data consistency and low accuracy of data synchronization, and achieve safe data synchronization Effect

Inactive Publication Date: 2017-01-04
ZICT TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] For a distributed database system, in order to improve operating efficiency, data must be distributed on different nodes, and the same data is stored on multiple ...

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  • Data synchronization method and data synchronization device based on incremental log analysis
  • Data synchronization method and data synchronization device based on incremental log analysis

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Embodiment Construction

[0031] In order to have a clearer understanding of the above objects, features and advantages of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments can be combined with each other.

[0032] In the following description, many specific details are set forth in order to fully understand the present invention. However, the present invention can also be implemented in other ways different from those described here. Therefore, the protection scope of the present invention is not limited by the specific details disclosed below. EXAMPLE LIMITATIONS.

[0033] figure 1 A schematic flowchart of a data synchronization method based on incremental log parsing is shown according to an embodiment of the present invention.

[0034] Such as figure 1 As sho...

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Abstract

The invention discloses a data synchronization method and a data synchronization device based on incremental log analysis. The data synchronization method based on the incremental log analysis comprises the steps of configuring mapping information between a master database and a slave database; according to an interaction protocol between the master database and the slave database, sending an incremental log obtaining request to the master database; receiving an incremental log from the master database and carrying out analysis on the incremental log; and according to an analysis result and the mapping information, updating the slave database so as to achieve data synchronization between the master database and the slave database. Through the technical scheme of the invention, the data synchronization can be realized more accurately and safely.

Description

technical field [0001] The present invention relates to the technical field of data synchronization, in particular to a data synchronization method based on incremental log parsing and a data synchronization device based on incremental log parsing. Background technique [0002] At present, with the rapid development of Internet technology and the continuous improvement of information sharing requirements, databases are developing from miniaturization to large-scale, from centralized to distributed. Distributed database systems that can handle dispersed regions have become an important research direction. [0003] For a distributed database system, in order to improve operating efficiency, data must be distributed on different nodes, and the same data is stored on multiple nodes, that is, there are multiple copies (data redundancy), so there is a need to maintain data consistency Security means low data synchronization accuracy and low security. Especially data synchronizat...

Claims

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Application Information

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IPC IPC(8): G06F17/30
CPCG06F16/27
Inventor 张志红
Owner ZICT TECH CO LTD
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