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:
Aug. 02, 2022

Filed:

May. 05, 2021
Applicant:

Vmware, Inc., Palo Alto, CA (US);

Inventors:

Zubraj Singha, Bangalore, IN;

Kashish Bhatia, Bangalore, IN;

Tanay Ganguly, Bangalore, IN;

Goresh Musalay, Bangalore, IN;

Assignee:

VMware, Inc., Palo Alto, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 12/02 (2006.01); G06F 12/0875 (2016.01); G06F 12/123 (2016.01);
U.S. Cl.
CPC ...
G06F 12/023 (2013.01); G06F 12/0875 (2013.01); G06F 12/124 (2013.01); G06F 2212/1044 (2013.01);
Abstract

The disclosure provides an approach for implementing a deduplicated (DD) assisted caching policy for a content based read cache (CBRC). Embodiments include receiving a first input/output (I/O) to write first data in storage as associated with a first logical block address (LBA); when the first data is located in a CBRC or in a DD cache located in memory, incrementing a first deduplication counter associated with the first data; when the first data is located in neither the CBRC nor the DD cache, creating the first deduplication counter; when the first deduplication counter meets a threshold after incrementing, and the first data is not located in the DD cache, adding the first data to the DD cache; and writing the first data to the storage as associated with the first LBA.


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