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:
Oct. 22, 2019

Filed:

May. 31, 2016
Applicant:

Tmaxdata Co., Ltd., Gyeonggi-do, KR;

Inventor:

Eunmo Yang, Gueonggi-do, KR;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 11/14 (2006.01); G06F 16/21 (2019.01); G06F 16/23 (2019.01); G06F 16/27 (2019.01);
U.S. Cl.
CPC ...
G06F 11/1469 (2013.01); G06F 11/1451 (2013.01); G06F 11/1464 (2013.01); G06F 16/21 (2019.01); G06F 16/2365 (2019.01); G06F 16/273 (2019.01);
Abstract

Provided is a method for recovering a block in a database system. Provided is a method for recovering a database block, including: deciding one or more recovery candidate blocks by reading log data recorded in a persistent storage medium; deciding master nodes of the one or more respective recovery candidate blocks; and re-reading the log data in order to permit proxy nodes of the one or more recovery target blocks to recover at least one recovery target block among the one or more recovery candidate blocks in parallel, at least one recovery target block among the one or more recovery candidate blocks being decided by the master nodes of the one or more recovery candidate blocks.


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