US Patent 7277897 Dynamic reassignment of data ownership

Patent 7277897 was granted and assigned to Oracle on October, 2007 by the United States Patent and Trademark Office.

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Patent Inventor Names

Angelo Pruscino0

Roger J. Bamford0

Sashikanth Chandrasekaran0

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Patent abstract

Various techniques are described for improving the performance of a shared-nothing database system in which at least two of the nodes that are running the shared-nothing database system have shared access to a disk. Specifically, techniques are provided for changing the ownership of data in a shared-nothing database dynamically, based on factors such as which node would be the most efficient owner relative to the performance of a particular operation. Once determined, the ownership of the data may be changed permanently to the new owner, or temporarily for the duration of the particular operation.

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Official Website

https://pdfpiw.uspto.gov/.piw?Docid=072778970

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