Method and system for efficiently coordinating commit processing in a parallel or distributed database system

摘要

A method and system wherein participant node lists are maintained for each individual transaction. In addition, local nodes maintain participant node lists and provide same to coordinating nodes under certain circumstances. The coordinating nodes merge participant node lists and selectively utilize the lists to minimize message duplication. Further, connection node lists for each application are maintained at coordinating nodes and are utilized for application rollback procedures.