Nimble Storage Assigned Patent

Nimble Storage, Inc., San Jose, CA, has been assigned a patent (9,213,628) developed by Maheshwari, Umesh, San Jose, CA, and Mehta, Varun, Los Altos Hills, CA, for a “methods and systems for reducing churn in flash-based cache.”

The abstract of the patent published by the U.S. Patent and Trademark Office states: ”A storage device includes a flash memory-based cache for a hard disk-based storage device and a controller that is configured to limit the rate of cache updates through a variety of mechanisms, including determinations that the data is not likely to be read back from the storage device within a time period that justifies its storage in the cache, compressing data prior to its storage in the cache, precluding storage of sequentially-accessed data in the cache, and/or throttling storage of data to the cache within predetermined write periods and/or according to user instruction.“

The patent application was filed on July 14, 2010 (12/836,520).