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.
Patent No.:
Date of Patent:
Jan. 13, 2015
Filed:
Sep. 26, 2013
Emc Corporation, Hopkinton, MA (US);
Philip N. Shilane, Yardley, PA (US);
Hyong Shim, Basking Ridge, NJ (US);
Stephen Smaldone, Monroe Township, NJ (US);
Grant Wallace, Pennington, NJ (US);
Frederick Douglis, Basking Ridge, NJ (US);
Cheng Li, Highland Park, NJ (US);
EMC Corporation, Hopkinton, MA (US);
Abstract
A computer-implemented method for indexing content stored in a cache memory device is disclosed. The method starts with in response to receiving a first request for caching a first file extent associated with a first file in a cache memory device, generating a first fingerprint based on content of the first file extent. Then the method continues with searching in a fingerprint index based on the first fingerprint to determine whether the first file extent has been stored in the cache memory. In response to determining that a fingerprint entry matching the first fingerprint is found, the method then continues with associating a first identifier identifying the first file extent and the first file with a storage location of the cache memory device obtained from the matching fingerprint entry, without storing the first file extent in the cache memory device.
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