Title:
STREAM DATA DISTRIBUTION PROCESSING METHOD, STREAM DATA DISTRIBUTION PROCESSING SYSTEM AND STORAGE MEDIUM
Document Type and Number:
WIPO Patent Application WO/2017/104072
Kind Code:
A1
Abstract:
In the present invention, a management computer that has a processor and a memory: receives a query definition that defines a query graph for processing stream data by a plurality of servers, configuration information of tuples that comprise the stream data, and performance information of the servers; sets, as an optimal query graph, a preset query graph initial value; applies the query definition to the optimal query graph, on the basis of a preset rule, to generate optimal query graph candidates; calculates the processing cost of the optimal query graph and the optimal query graph candidates; and selects the optimal query graph candidate with the smallest processing cost, and sets same as the optimal query graph.
Inventors:
IMAKI TSUNEYUKI (JP)
Application Number:
PCT/JP2015/085504
Publication Date:
June 22, 2017
Filing Date:
December 18, 2015
Export Citation:
Assignee:
HITACHI LTD (JP)
International Classes:
G06F17/30
Domestic Patent References:
WO2013145310A1 | 2013-10-03 |
Foreign References:
US20060100969A1 | 2006-05-11 | |||
JP2010204880A | 2010-09-16 | |||
US20090007116A1 | 2009-01-01 | |||
JP2011039820A | 2011-02-24 | |||
JP2014188500A | 2014-10-06 |
Attorney, Agent or Firm:
TOU-OU PATENT FIRM (JP)
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