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PernixData Assigned Patent

Managing cache storage

PernixData, Inc., San Jose, CA, has been assigned a patent (9,454,488) developed by Vilayannur, Murali Natarajan, San Jose, CA, Jung, Woon Ho, Cupertino, CA, Patil, Kaustubh Sambhaji, Sunnyvale, CA, Vaghani, Satyam B., San Jose, CA, Ostrowski, Michal, Cedar Park, TX, and Kumar, Poojan, San Jose, CA, for a “systems and methods to manage cache data storage.

The abstract of the patent published by the U.S. Patent and Trademark Office states: “Systems and methods for managing records stored in a storage cache are provided. A cache index is created and maintained to track where records are stored in buckets in the storage cache. The cache index maps the memory locations of the cached records to the buckets in the cache storage and can be quickly traversed by a metadata manager to determine whether a requested record can be retrieved from the cache storage. Bucket addresses stored in the cache index include a generation number of the bucket that is used to determine whether the cached record is stale. The generation number allows a bucket manager to evict buckets in the cache without having to update the bucket addresses stored in the cache index. Further, the cache index can be expanded to accommodate very small records, such as those generated by legacy systems.

The patent application was filed on August 8, 2014 (14/455,090).

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