Data Updating Method, Device, and Related System

A device comprising:

• one or more processors;
• and
• one or more memories storing thereon computer-readable instructions that, when executed by the one or more processors, cause the one or more processors to perform acts comprising:
• sending an update request to replica servers listed in a copy list respectively;
• receiving respective response information from a respective replica server of the replica servers after an update of a respective data copy in the respective replica server is completed;
• in response to determining that a number of response information received in a preset update time is less than a total number of the replica servers, modifying a status of copy information corresponding to a replica server that has not sent a response information to a status of continuing to update;
• and
• in response to determining that response information from the replica servers with the status of continuing to update has not been received within a preset continuous update time, deleting copy information corresponding to the replica server from the copy list.

One or more memories storing thereon computer-readable instructions that, when executed by the one or more processors, cause the one or more processors to perform acts comprising:

• sending an update request to replica servers listed in a copy list respectively;
• receiving respective response information from a respective replica server of the replica servers after an update of a respective data copy in the respective replica server is completed;
• in response to determining that a number of response information received in a preset update time is less than a total number of the replica servers, modifying a status of copy information corresponding to a replica server that has not sent a response information to a status of continuing to update;
• in response to determining that response information from the replica servers with the status of continuing to update has not been received within a preset continuous update time, deleting copy information corresponding to the replica server from the copy list;
• updating a list attribute value of the copy list;
• and
• sending the updated list attribute value to a central server.