US Patent Issued to Dell Products on Oct. 28 for "Extent restore performance using smart prefetching" (Indian, American Inventors)

ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,455,859, issued on Oct. 28, was assigned to Dell Products LP (Round Rock, Texas).

"Extent restore performance using smart prefetching" was invented by Nitin Madan (Cupertino, Calif.), Kedar Godbole (Pune, India), Srikant Viswanathan (Pune, India) and Bhimsen Bhanjois (Fremont, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Improving read performance using pre-fetches by encoding an extent map identifying valid data of the file as extents that may be interspersed with holes constituting invalid data, and storing the extent map in the client. The extent map generates pre-fetches of data that land on only extents of the file and avoids the holes, by...