Linus Torvalds rant and Async IO
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How io_uring and eBPF Will Revolutionize Programming in Linux - ScyllaDB
https://www.scylladb.com/2020/05/05/how-io_uring-and-ebpf-will-revolutionize-programming-in-linux/
ScyllaDB's Glauber Costa explains how two new APIs, io_uring and eBPF, are changing the fundamental nature of Linux programming.
So I think this is ridiculously ugly.
AIO is a horrible ad-hoc design, with the main excuse being “other, less gifted people, made that design, and we are implementing it for compatibility because database people — who seldom have any shred of taste — actually use it”.
— Linus Torvalds (on lwn.net)
First, as database people ourselves, we’d like to take this opportunity to apologize to Linus for our lack of taste. But also expand on why he is right. Linux AIO is indeed rigged with problems and limitations: