Data synchronization method and device

A data synchronization and database technology, applied in the field of financial technology, can solve problems such as reducing the efficiency of data synchronization

Pending Publication Date: 2021-07-23
WEBANK (CHINA)
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Problems solved by technology

[0008] In the above grayscale change scenario, before changing the table structure of other upstream stand-alone databases, it is necessary to suspend the data s

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Embodiment Construction

[0050] In order to make the present application, the present application will be further described in connection with the accompanying drawings, which will be described in connection with the accompanying drawings, which is merely the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained without making creative labor have not made creative labor premises.

[0051] Currently, if you need to store data corresponding to a certain study object in the financial sector, you can store with a single-machine database, which can use the MySQL database. However, the data corresponding to the study object is increasing, and the capacity bottleneck is easily displayed if the data is stored only through a single-machine database. This problem, the data table for storing the data corresponding to the data object is split on the single-machine database based on a certain storage rule, split into a pl...

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Abstract

The invention relates to the field of finance science and technology, and discloses a data synchronization method and device, and the method comprises the steps of obtaining a table structure mapping relation between a first data table in a first single-machine database and a second data table in a distributed database through a first synchronization assembly; the method also includes that the first synchronization component modifies first record information in a first log file of the first stand-alone database according to the table structure mapping relation to obtain second record information, wherein data objects to be synchronized to the second data table in the first data table are recorded in the first record information; and the first synchronization component synchronizes the data object into the second data table according to the second record information. According to the mode, the data synchronization behavior of the stand-alone database subjected to table structure change does not need to be paused in a gray level change scene, and the change operation of the data table structure of the stand-alone database not subjected to table structure change in the distributed database can be synchronously realized in the data synchronization process, and the synchronization efficiency in a gray level change scene is improved.

Description

Technical field [0001] The present application relates to the field of Fintech, in particular, to a data synchronization method and device. Background technique [0002] With the development of computer technology, more and more technologies (such as: big data, cloud computing or block chains) are applied in the financial field, and the traditional financial industry is gradually transforming financial science. In the context of big data technology, it is often necessary to store various data generated by the application. [0003] Currently, for the scene stored in the mysql database, since the MySQL database is a single-machine database, it can only be stored by a physical server, and the hard disk capacity of a physical server is sufficient, such as a common physical server. The capacity is 3T, in the Internet, financial and other industries, with the number of customers, the capacity of the single-machine database will appear, ie, the massive data cannot be stored. [0004] In...

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Application Information

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IPC IPC(8): G06F16/27G06F16/22G06F16/23
CPCG06F16/2282G06F16/23G06F16/27
Inventor 黄蔚胡盼盼卢道和
Owner WEBANK (CHINA)
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