ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,748,733, issued on Sept. 29.

"Efficient append-only file system for high-performance key-value stores" was invented by Sheng Qiu (Los Angeles), Hao Wang (Los Angeles), Zhengyu Yang (Los Angeles), Yizheng Jiao (Los Angeles), Jianyang Hu (Beijing), Yang Liu (Los Angeles), Jiaxin Ou (Beijing), Huan Sun (Los Angeles) and Yinlin Zhang (Los Angeles).

According to the abstract* released by the U.S. Patent & Trademark Office: "A file system particular for use with key-value stores is provided. The file system can operate in a user space instead of a kernel space. The file system can be an append-only file system. The file system can support use of solid state drives (SSDs) for storage, incl...