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:
Apr. 11, 2017

Filed:

Nov. 25, 2014
Applicants:

Andre Schefe, Berlin, DE;

Bernd Vorsprach, Berlin, DE;

Henrik Hempelmann, Havelberg, DE;

Martin E. Brunzema, Berlin, DE;

Robin Wissbrock, Berlin, DE;

Torsten Strahl, Kleinmachnow, DE;

Inventors:

Andre Schefe, Berlin, DE;

Bernd Vorsprach, Berlin, DE;

Henrik Hempelmann, Havelberg, DE;

Martin E. Brunzema, Berlin, DE;

Robin Wissbrock, Berlin, DE;

Torsten Strahl, Kleinmachnow, DE;

Assignee:

SAP SE, Walldorf, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 11/14 (2006.01); G06F 17/30 (2006.01);
U.S. Cl.
CPC ...
G06F 17/30371 (2013.01); G06F 11/1469 (2013.01); G06F 11/1471 (2013.01); G06F 17/30368 (2013.01); G06F 11/1458 (2013.01); G06F 2201/80 (2013.01);
Abstract

A method, medium, and system to receive a request to perform a log recovery to restore multiple database services; determine log backup entries corresponding to a target log position for a first database service of the multiple database services; read from a sequential stream device, by the first database service, the log backup entries corresponding to the target log position for the first database service; inform a second database service of the multiple database services that the first database service has concluded executing the log backup entries corresponding to the target log position for the first database service from the sequential stream device; assuring that no resources of the streaming device are blocked by the first database service; and read log backup entries of the second database service corresponding to a target log position for the second database service from the sequential stream device.


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