DATA SHARDING SYSTEM, DATA SHARDING METHOD, AND PROGRAM STORED IN A RECORDING MEDIUM

摘要

A data sharding system according to an embodiment of the present invention includes: a server for receiving and processing a request from a client terminal, and detecting country information and region information related to the request; and a database unit connected to the server through a network, receiving a query for the request from the server, and transmitting a response to the query to the server, wherein the query includes country information and region related to the request. A shard key determined based on information may be included, and the database unit may include a plurality of data nodes in which the query is distributed and processed based on the shard key.