ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,468,463, issued on Nov. 11, was assigned to Dell Products LP (Round Rock, Texas).

"Method, device, and computer program product for garbage collection for storage system" was invented by Chaojun Zhao (Chengdu, China), Shuangshuang Liang (Zunyi, China) and Yang Zhang (Chengdu, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for garbage collection for a storage system in an illustrative embodiment includes determining input/output (IO) access popularity of a plurality of partially occupied unit blocks in response to receiving an instruction for garbage collection for the storage system. The method further includes selecting two unit blocks f...