ALEXANDRIA, Va., May 12 -- United States Patent no. 12,625,734, issued on May 12, was assigned to International Business Machines Corp. (Armonk, N.Y.).

"High availability scheduler event tracking" was invented by Xin Xin Dong (Beijing), Ming Qiao Shang Guan (Beijing), Mai Zeng (Beijing) and Wei Song (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "Aspects include monitoring, by a controller, an operational status of a tracker system that is configured to track and record a current status of a job being executed and to report completion of the job to the controller. The recording includes storing two copies of the current status, where a first copy is stored in a shared memory location accessible by th...