ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,524,359, issued on Jan. 13, was assigned to Dell Products LP (Hopkinton, Mass.).
"Time series based MDP paging for snapshot, replication and migration" was invented by Ramesh Doddaiah (Westborough, Mass.), Sandeep Chandrashekhara (Shrewsbury, Mass.) and Mohammed Asher (Bangalore, India).
According to the abstract* released by the U.S. Patent & Trademark Office: "Metadata pages used exclusively for maintenance IOs associated with snapshots, data migration, or data replication are paged-out according to a time series model forecasted TTL. Metadata pages used for production IOs are paged-out using an LRU algorithm. The forecasted TTL corresponds to the expected time during which the met...