ALEXANDRIA, Va., March 26 -- United States Patent no. 12,260,270, issued on March 25, was assigned to SAP SE (Walldorf, Germany).
"Idempotent event handling" was invented by You Li (Shanghai), Zhenji Yang (Shanghai) and Junhui He (Shanghai).
According to the abstract* released by the U.S. Patent & Trademark Office: "A partition-based method to implement idempotence in an event-driven architecture is provided, which acts to reduce the pressure of database reading and writing, thus improving the performance of event handling. In order to improve parallelism, a consumer cluster (a cluster of multiple consumers that can share the responsibility of processing events) is established such that the events are distributed among different partition...