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A data synchronization method and system

A data synchronization and data technology, applied in the field of communications, can solve the problem that the data synchronization method of the active and standby systems cannot guarantee real-time performance.

Active Publication Date: 2019-08-13
CHINA UNIONPAY
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Problems solved by technology

[0005] The embodiment of the present invention provides a data synchronization method to solve the problem that the data synchronization method of the active and standby systems in the existing disaster recovery system structure cannot guarantee real-time performance

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  • A data synchronization method and system
  • A data synchronization method and system
  • A data synchronization method and system

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Embodiment Construction

[0020] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, rather than all embodiments . Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0021] see figure 1 As shown, the embodiment of the present invention provides a schematic flowchart of a data synchronization method, and the specific implementation method includes:

[0022] Step S101, the destination end sends a data synchronization request to the source end, and the data synchronization request includes a log group identifier of the data to be synchronized.

[0023] Step S102, the destination end receives N pieces of ...

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Abstract

The invention discloses a data synchronization method and a data synchronization system. The data synchronization method comprises the steps that: a destination end sends a data synchronization request to a source end, wherein the data synchronization request includes a log grouping identifier of data to be synchronized; the destination end receives N pieces of log information of the log grouping identifier sent by the source end, wherein each log information at least comprises an identifier of the data to be synchronized and a first timestamp of the data to be synchronized at the source end, and the N is a positive integer; and the destination end processes the N pieces of log information of the log grouping identifier in parallel according to the method of determining a second timestamp of destination end data corresponding to the identifier according to the identifier of the data to be synchronized in the log information with regard to each log information, and acquiring source end data corresponding to the identifier from the source end so as to update the destination end data is the first timestamp is later than the second timestamp. The data synchronization method and the data synchronization system are used for solving the problem that a main-standby system data synchronization method of the existing disaster recovery system structure cannot guarantee the real-time property.

Description

technical field [0001] The present invention relates to the communication field, in particular to a data synchronization method and system. Background technique [0002] The banking industry is one of the industries with the widest application of information technology. With the rapid development of bank informatization construction, most bank information systems adopt a large centralized mode of centralized data storage and centralized processing. This centralized mode brings great benefits but also has many risks. One of the aspects is multi-point The decentralized risk of the data center is integrated into the centralized risk of the data center. Once the technical failure of the center (such as hardware failure, human error and damage caused by virus attack), the consequences will be catastrophic. Therefore, the highly reliable storage of data, the prevention of disasters, and the quick recovery methods that fully consider the consequences of disasters have become an ex...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/24H04L12/26H04L29/08
CPCH04L41/0663H04L43/106H04L67/1095
Inventor 李勇王笑
Owner CHINA UNIONPAY
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