Patent
Data synchronization method, device and system
10
TL;DR: In this article, a data synchronization method, a device and a system for multiple servers is presented, where each server performs the following actions: data with data identification sent by a terminal connected with the server are received, and the data are saved as primary data and sent to a server in a server list pre-stored locally for synchronization processing.
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Abstract: The invention provides a data synchronization method, a device and a system. The method is applied to a data synchronization system provided with multiple servers. Each server performs the following actions: data with data identification sent by a terminal connected with the server are received, and the data are saved as primary data and sent to a server in a server list pre-stored locally for synchronization processing; data with data identification sent by a server connected with the server are received, and the data are saved as clustered data; and according to data identification in the data pre-stored locally and subscribed by a terminal connected with the server, data subscribed by the terminal are selected from the stored primary data and the clustered data, and the selected data are synchronously pushed to the corresponding terminal. No clustered main server needs to be selected, each server is provided with functions of the clustered main server, and thus when part of the servers fail, operation of the system is not influenced, and data missing does not happen.
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