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:
Jun. 09, 2020

Filed:

Mar. 31, 2017
Applicant:

Samsung Electronics Co., Ltd., Suwon-si, Gyeonggi-do, KR;

Inventors:

Dongyan Jiang, San Jose, CA (US);

Changhui Lin, San Jose, CA (US);

Krishna Malladi, San Jose, CA (US);

Jongmin Gim, Milpitas, CA (US);

Hongzhong Zheng, Los Gatos, CA (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 12/1018 (2016.01); G06F 3/06 (2006.01); G06F 12/0864 (2016.01);
U.S. Cl.
CPC ...
G06F 12/1018 (2013.01); G06F 3/061 (2013.01); G06F 3/065 (2013.01); G06F 3/0641 (2013.01); G06F 3/0644 (2013.01); G06F 12/0864 (2013.01); G06F 2212/60 (2013.01); G06F 2212/68 (2013.01);
Abstract

A method of retrieving data stored in a memory associated with a dedupe module is provided. The method includes: identifying a logical address of the data; identifying a physical line ID of the data in accordance with the logical address by looking up at least a portion of the logical address in a translation table; locating a respective physical line, the respective physical line corresponding to the PLID; and retrieving the data from the respective physical line, the retrieving including copying a respective hash cylinder to the read cache, the respective hash cylinder including: a respective hash bucket, the respective hash bucket including the respective physical line; and a respective reference counter bucket, the respective reference counter bucket including a respective reference counter associated with the respective physical line.


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