Title:
DATA VIRTUALIZATION DEVICE AND LARGE SCALE DATA PROCESSING PROGRAM
Document Type and Number:
Japanese Patent JP2016071837
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To obtain a data virtualization device capable of surely executing a query even in a limited resource environment in a data virtualization system.SOLUTION: A data virtualization device 2 for performing query processing by using one or more data sources 3 includes: a virtualization scheme information part 21 for storing the logical integrated data model of the data source 3 as a data virtualization object; a statistical information part 22 for storing the statistical information of the data source 3 and the resource capacity of the data source 3 and the data virtualization device; a query division part 25 for reconstructing a query plan which can be processed with the resource capacity by using a query plan generated by a query evaluation part 24 and the statistical information; a query generation part 26 for generating a submission query to be submitted to the data source 3 and a processing query to be executed on the data virtualization device 2 on the basis of the reconstructed query plan; and a query execution control part 27 for performing control to execute the submission query and the processing query in order in accordance with the reconstructed query plan.SELECTED DRAWING: Figure 1
Inventors:
SAITO KAZUHIRO
Application Number:
JP2015002291A
Publication Date:
May 09, 2016
Filing Date:
January 08, 2015
Export Citation:
Assignee:
KDDI CORP
International Classes:
G06F17/30; G06F12/00
Domestic Patent References:
| JP2016509294A | 2016-03-24 |
Foreign References:
| US20060136452A1 | 2006-06-22 | |||
| WO2014107359A1 | 2014-07-10 |
Attorney, Agent or Firm:
Kiyotaka Sakamoto
Kaori Tanaka
Sanji Tanabe
Kaori Tanaka
Sanji Tanabe