ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,393,516, issued on Aug. 19, was assigned to Dell Products LP (Hopkinton, Mass.).
"Efficient deduplication in a metadata delta log architecture" was invented by Vladimir Shveidel (Pardes-Hana, Israel), Socheavy D. Heng (Framingham, Mass.) and Jonathan Volij (Meitar, Israel).
According to the abstract* released by the U.S. Patent & Trademark Office: "In at least one embodiment, destaging a write of a user data (UD) log may include: performing deduplication that determines content written by the write to a logical address LA is a duplicate of existing content; and establishing mapping information of a chain of metadata (MD) pages mapping LA to a physical address PA storing the existing ...