I’ve been hearing about io_uring on and off for the last couple of years. Its a relatively new technology in Linux to allow high-performance IO with very few overheads. Whenever its been mentioned, its usually been presented as a new alternative to select, poll and epoll. This led me to believe that it was just the next iteration of those facilities, which is to say, another facility to inform a program that something has happened on a file or network socket or whatever, so that it can take...