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:
Jul. 27, 2021

Filed:

Nov. 01, 2018
Applicant:

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

Inventors:

Jason D. Hagar, Tucson, AZ (US);

Michael G. Sisco, Vail, AZ (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 16/174 (2019.01); G06F 16/11 (2019.01); G06F 16/16 (2019.01);
U.S. Cl.
CPC ...
G06F 16/1748 (2019.01); G06F 16/125 (2019.01); G06F 16/162 (2019.01);
Abstract

In one embodiment, a method includes receiving a query related to a first data extent. The method also includes determining whether the first data extent is eligible for deletion based on a first sliding window time period equal to a predetermined retention period added to a predetermined deletion cushion in response to the query requesting a deletion operation for the first data extent. The method also includes determining whether the first data extent is eligible for linkage based on a second sliding window time period equal to the retention period less a predetermined linkage cushion in response to the query requesting a linkage operation for the first data extent. The linkage cushion includes less time than the deletion cushion.


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