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:
Jan. 21, 2020

Filed:

Oct. 31, 2017
Applicant:

International Business Machines Corporation, Armonk, NY (US);

Inventors:

Donna N. Dillenberger, Yorktown Heights, NY (US);

David C. Frank, Ossining, NY (US);

Terri A. Menendez, Richmond, MA (US);

Gary S. Puchkoff, Poughkeepsie, NY (US);

Wayne E. Rhoten, Morgan Hill, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 11/00 (2006.01); G06F 11/14 (2006.01);
U.S. Cl.
CPC ...
G06F 11/1438 (2013.01); G06F 11/1471 (2013.01); G06F 2201/805 (2013.01); G06F 2201/82 (2013.01); G06F 2201/84 (2013.01);
Abstract

A computer-implemented method according to one embodiment includes restarting an application at a second system in response to a failure of the application at a first system, receiving replicated logged data from the first system at the second system, updating a second data set at the second system to reflect a first data set at the first system, utilizing the replicated logged data, identifying a first plurality of data reads from the restarted application at the second system, where the first plurality of data reads occur before a predetermined checkpoint, and in response to the first plurality of data reads, retrieving the replicated logged data from the second system, and returning the replicated logged data to the restarted application at the second system.


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