ALEXANDRIA, Va., March 19 -- United States Patent no. 12,254,900, issued on March 18, was assigned to Oracle International Corp. (Redwood City, Calif.).
"Reader bias based locking technique enabling high read concurrency for read-mostly workloads" was invented by David Dice (Foxboro, Mass.) and Alex Kogan (Needham, Mass.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A data object has a lock and a condition indicator associated with it. Based at least partly on detecting a first setting of the condition indicator, a reader stores an indication that the reader has obtained read access to the data object in an element of a readers structure and reads the data object without acquiring the lock. A writer detects...