公开(公告)号：US20210294537A1

公开(公告)日：2021-09-23

申请号：US17338228

申请日：2021-06-03

申请人： Unisys Corporation

发明人： James F. Merten ,  Warren N. Stockton ,  Michael J. Rieschl ,  James R. McBreen

IPC分类号： G06F3/06 ,  G06F12/06 ,  G06F12/0802 ,  G06F12/0873

摘要： Systems and methods for obtaining access to database files m a computing system. A method may include receiving a first call from a database management system requesting access to a database file. The method may further include transmitting a second call to an operating system interface requesting that a memory-mapped data expanse file be created. The method may also include receiving a first address representing the database file in response to successful mapping of the database file to the memory-mapped data expanse file located at the operating system interface.