Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Mark L. Huang0
Philip N. Shilane0
Edward K. Lee0
Grant R. Wallace0
Kai Li0
Date of Patent
November 20, 2018
0Patent Application Number
134958560
Date Filed
June 13, 2012
0Patent Citations Received
...
Patent Primary Examiner
Patent abstract
A computer-implemented method and system for deduplicating sub-chunks in a data storage system selects a data chunk to deduplicate and generates a sketch for the selected data chunk. A similar data chunk is searched for using the sketch. A set of fingerprints corresponding to sub-chunks of the similar data chunk is loaded. The set of fingerprints for the similar data chunk is compared to a set of fingerprints of the selected data chunk and the selected chunk is encoded as a set of references to identical sub-chunks of the similar data chunk and at least one unmatched sub-chunk.
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