GreenBytes/Oracle Assigned Patent
Optimizing memory usage and performance of de-dupe storage systems
By Francis Pelletier | June 18, 2015 at 2:26 pmGreenBytes, Inc., Ashaway, RI, (Oracle Corp.) has been assigned a patent (9,047,301) developed by Petrocelli, Robert, Westerly, RI, for a “method for optimizing the memory usage and performance of data deduplication storage systems.”
The abstract of the patent published by the U.S. Patent and Trademark Office states: ”A method and system of optimizing the memory usage and performance of data deduplication storage systems includes organizing the metadata of data blocks needed by deduplicating storage systems. A three level hierarchy is used. Level 1 stores the metadata on disk along with the user data. Level 2 uses low latency storage, e.g. RAM and Solid State Disks) to cache the on-disk meta data for faster direct access. Level 3 organizes the fingerprints using a Trie and is entirely resident in RAM. Thus, the search, to determine whether a data block is unique or not and a candidate for transfer, can be more efficiency executed and to ensure that the meta data is transactionally secure.“
The patent application was filed on April 18, 2011 (13/088,471).
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