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.

Date of Patent:
Feb. 25, 2020

Filed:

Sep. 23, 2016
Applicant:

Murakumo Corporation, Tokyo, JP;

Inventor:

Hiroyuki Yamada, Tokyo, JP;

Assignee:
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 16/27 (2019.01); G06F 16/84 (2019.01); G06F 16/23 (2019.01);
U.S. Cl.
CPC ...
G06F 16/27 (2019.01); G06F 16/2358 (2019.01); G06F 16/86 (2019.01);
Abstract

Provided is a database system, wherein a first node holds a transaction log of a database together with identification information enabling identification of a sequence of commands, transmits specific identification information indicating a transaction log at a predetermined time point, and the transaction log and identification information from after the predetermined time point, to a second node, and transmits data in the database to the second node from the predetermined time point onwards, and when the data received from the first node has been loaded into a memory, the second node executes a command relating to a transaction log which is newer than the transaction log indicated by the specific identification information, on the loaded data.


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