| 摘要 |
PROBLEM TO BE SOLVED: To provide a database system, a server, an update method, and a program for efficiently executing a plurality of update requests to a database. SOLUTION: The server is connected to a database 90 and one or more other servers and includes a data storage part 50 for storing at least part of data obtained by dividing the database 90, a log storage part 62 for storing an update log by an update request concerning the data received from an application 30, a transmission part 88 for copying the update log and transmitting it to the other servers in response to the update request, a replica storage part 82 for storing a replica 110 of the update log by copying received from the other servers, and an execution part 64 for executing a batch update for the database 90 according to the sum of the update log 100 and the replica 110 stored in the log storage part 62 and the replica storage part 82 respectively. COPYRIGHT: (C)2010,JPO&INPIT |
