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Amazon Assigned Two Patents

Managing storage, management of cached object mapping information corresponding to distributed storage system

Managing storage
Amazon Technologies, Inc., Reno, NV, has been assigned a patent (8,650,369) developed by Matthew T. Corddry, Benjamin Earle McGough, Seattle, WA, and Michael W. Schrempp, Bainbridge Island, WA, for “managing storage.”

The abstract of the patent published by the U.S. Patent and Trademark Office states: “A storage unit includes one or more storage devices. In one embodiment, it is determined whether a temperature associated with the storage unit is below a minimum threshold. In another embodiment, it is determined whether a predicted heat load of the storage unit is below a minimum threshold. A predicted heat load for the storage unit is increased by initiating a data operation in the storage devices in response to determining that the temperature, or the predicted heat load, is below the minimum threshold.”

The patent application was filed on Feb. 18, 2013 (13/769,464).

Management of cached object mapping information
corresponding to distributed storage system
Amazon Technologies, Inc. Reno, NV, Inc., has been assigned a patent (8,639,724) developed by four co-inventors for a “management of cached object mapping information corresponding to a distributed storage system.”

The co-inventors are James Christopher Sorenson III, Seattle, WA, Gunavardhan Kakulapati, Bellevue, WA, Jason G. McHugh, and Allan H. Vermeulen, Seattle, WA.

The abstract of the patent published by the U.S. Patent and Trademark Office states: “Systems and methods for managing mapping information for objects maintained in a distributed storage system are provided. The distributed storage system can include a keymap subsystem that manages the mapping information according to object keys. Requests for specific object mapping information are directed to specific keymap coordinators within the keymap subsystem. Each keymap coordinator can maintain a cache for caching mapping information maintained at various information sources. To manage the cache, the keymap system can utilize generation identifiers that identify the component within the distributed storage system that last updated information sources. Each keymap coordinator can determine whether cached version of keymap information is valid based on an analysis of generation identifiers.”

The patent application was filed on July 31, 2009 (12/533,873).

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