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Data synchronization method

A data synchronization and data table technology, applied in the direction of electrical digital data processing, structured data retrieval, special data processing applications, etc., can solve problems that affect synchronization speed, error-prone, increase the complexity of synchronization configuration, etc., to achieve efficient synchronization Effect

Inactive Publication Date: 2014-02-26
XIAMEN CHENGCHUANG NETWORK
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Problems solved by technology

This method mainly has the following problems: low efficiency and error-prone
The main problem with this method is that all the content of the changed table needs to be copied to another table during synchronization, especially when the table itself is large, it will take up too much bandwidth for data synchronization, thus affecting the synchronization speed , increasing the configuration complexity of synchronization

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Embodiment Construction

[0052] The present invention is described in detail below in conjunction with the accompanying drawings:

[0053] The present invention provides a method for data synchronization, comprising the following steps:

[0054] S1, the main library is connected to n slave libraries, and the n slave libraries are named: slave library 1, slave library 2...slave library n;

[0055] S2, set the timing synchronization time for each slave library respectively, when any slave library i reaches the timing synchronization time configured by itself, the slave library i and the master library perform a synchronization operation, so that the master library and the slave library i are consistent; among them, i∈(1, 2...n);

[0056] The master library performs synchronization operations with each slave library in sequence, and finally the n+1 databases of the master library, the slave library 1, the slave library 2, and the slave library n are all synchronized. In the present invention, the synch...

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Abstract

The invention provides a data synchronization method which comprises the following steps: storing a data table T-i in a slave library i, and storing a data table T in a master library, wherein the stored record format of the data table T is the same as the stored record format of data table T-i; establishing a modified history list T-i-act in the slave library i; establishing a modified history list T-act in the master library, reading and acquiring effective operation increment from the slave library i when the synchronization time reaches, then packing the effective operation increment, the recorded contents and the initial master library version number stored in the previous synchronization, and uploading the uploaded package to the master library; counting to obtain the effective operation increment after the master library is warehoused, packing the effective operation increment, the recorded contents and the current master library version number, and returning the returned package to the slave library i; performing entry operation on the slave library i, and thus finishing a data synchronization process. According to the data synchronization method, synchronization of data tables between the master library and multiple slave libraries can be simply, rapidly and reliably realized at high efficiency.

Description

technical field [0001] The invention belongs to the technical field of communications and computers, and in particular relates to a data synchronization method. Background technique [0002] With the rapid development of network technology, information technology, e-commerce and telecommunication services, the complexity between system systems and services has also increased. In order to solve complex business management and operation problems, many enterprises often configure multiple systems by To solve the above problems, data sharing is often required between systems, and data sharing is generally achieved through data synchronization. Typical applications such as user login information, through data synchronization, one can log in everywhere, or one password can be used all over the world. Therefore, in the IT industry, how to synchronize data with low cost, high efficiency and high reliability has always been a problem that many companies that provide various services...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/30
CPCG06F16/27
Inventor 赵亚南
Owner XIAMEN CHENGCHUANG NETWORK
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