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. 17, 2021

Filed:

Dec. 11, 2015
Applicant:

Emc Ip Holding Company Llc, Hopkinton, MA (US);

Inventors:

Frederick Douglis, Basking Ridge, NJ (US);

Cheng Li, Palo Alto, CA (US);

Philip Shilane, Newtown, PA (US);

Grant Wallace, Pennington, NJ (US);

Assignee:

EMC IP Holding Company LLC, Hopkinton, MA (US);

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 12/12 (2016.01); G06F 12/0831 (2016.01); G06F 12/128 (2016.01); G06F 12/02 (2006.01);
U.S. Cl.
CPC ...
G06F 12/0833 (2013.01); G06F 12/0246 (2013.01); G06F 12/128 (2013.01); G06F 2212/62 (2013.01); G06F 2212/69 (2013.01); G06F 2212/7201 (2013.01); G06F 2212/7209 (2013.01);
Abstract

Use of a survival queue to manage a container-based flash cache is disclosed. In various embodiments, a corresponding survival time is associated with each of a plurality of containers stored in a flash cache, each container comprising a plurality of data blocks. The survival time may be determined based at least in part on a calculated proportion of relatively recently accessed data blocks associated with the container is associated with the container. A container to evict from the flash cache is selected based at least in part on a determination that the corresponding survival time of the selected container has expired.


Find Patent Forward Citations

Quick Actions:

Douglis, Frederick. (2021). Container-based flash cache with a survival queue (U.S. Patent No. 11093397). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11093397

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