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US Patent 8935487 Fast and low-RAM-footprint indexing for data deduplication

Patent 8935487 was granted and assigned to Microsoft on January, 2015 by the United States Patent and Trademark Office.

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Is a
Patent
Patent

Patent attributes

Current Assignee
Microsoft
Microsoft
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
8935487
Patent Inventor Names
Sudipta Sengupta0
Biplob Debnath0
Jin Li0
Paul Adrian Oltean0
Ronakkumar N. Desai0
Date of Patent
January 13, 2015
Patent Application Number
12979669
Date Filed
December 28, 2010
Patent Citations Received
‌
US Patent 12117984 Systems and methods for event tracking
0
‌
US Patent 11660534 Pre-loading translated code in cloud based emulated applications
0
‌
US Patent 11904233 Method and apparatus for improving efficiency without increasing latency in graphics processing
0
Patent Primary Examiner
‌
Edward Dudek, Jr.
Patent abstract

The subject disclosure is directed towards a data deduplication technology in which a hash index service's index maintains a hash index in a secondary storage device such as a hard drive, along with a compact index table and look-ahead cache in RAM that operate to reduce the I/O to access the secondary storage device during deduplication operations. Also described is a session cache for maintaining data during a deduplication session, and encoding of a read-only compact index table for efficiency.

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