| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a data caching technique having an extremely high expandability while synchronization is established with a sustainable database, such as a database management system, which serves as a base. <P>SOLUTION: A data cache processing method comprises: a step for receiving a request containing a primary key and a type of change to change master data in a data store; a step for arranging a line containing the primary key in a table in the data store; a step for searching for a selector key from the line; a step for locking the table containing the line; a step for transmitting a message to each of cache servers listed in a table of a cache server being executed; and a step for unlocking the table containing the line when a positive response is received from each of the cache servers and approving the request. <P>COPYRIGHT: (C)2012,JPO&INPIT |
