The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 08, 2020
Filed:
Mar. 28, 2016
Hitachi, Ltd., Tokyo, JP;
Tsukasa Hosoya, Tokyo, JP;
Satoru Anan, Tokyo, JP;
HITACHI, LTD., Tokyo, JP;
Abstract
A computer system has a plurality of computers each executing stream data processing and a management computer assigning a plurality of divided queries to the plurality of computers. The management computer includes a parameter input module configured to receive an analysis scenario including a plurality of queries and division information for dividing the analysis scenario into the plurality of divided queries; and a query analysis module configured to analyze the analysis scenario to generate a query graph. The query analysis module specifies, based on the analysis scenario and the division information, at least one of the divided queries that requires flow control; and sets the flow control for the plurality of computers to each of which the at least one of the divided queries that requires the flow control is to be assigned.