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:
Nov. 23, 2021
Filed:
Jan. 15, 2020
Kabushiki Kaisha Toshiba, Minato-ku, JP;
Yasuo Namioka, Nerima, JP;
Akihiro Yamaguchi, Kita, JP;
Masakazu Hattori, Yokohama, JP;
Koichi Yamagata, Kamakura, JP;
KABUSHIKI KAISHA TOSHIBA, Minato-ku, JP;
Abstract
According to one embodiment, a calculating device performs at least a calculation for a database system. A database of the database system is split into a plurality of partitions and placed in a plurality of nodes. The device is configured to accept statistical information relating to the plurality of partitions and the plurality of nodes and being collected by the plurality of nodes, and generate fluctuation information by using the statistical information and perturbation information. The perturbation information corresponds to statistical fluctuation of the statistical information. The device is configured to calculate a placement of the plurality of partitions in the plurality of nodes by using the statistical information and the fluctuation information. The placement is capable of improving a performance of the database system.