io_uring: Two rings makes computers go Brrrrr (S04E05)

The Technium

io_uring is a new asynchronous, API to enable fast and efficient system calls in the Linux kernel. It promises faster user-land programs that heavily use file system IO on Linux, for all applications, not just databases.

00:00 S04 E05 io_uring
02:55 What is io_uring?
05:59 What's wrong with existing async interfaces?
17:25 Copying is slow
19:05 Two ring buffers
28:07 What would the effect for the end user be?
34:50 Different operating modes
37:27 C10K for Filesystem IO
43:04 Speed is simplicity
47:07 Deconstructed databases
01:02:12 Effect systems
01:06:26 System functionality in programming language
01:10:55 OS as Actor Model
01:16:08 The Kernel is Userland

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The Technium is a weekly podcast discussing the edge of technology and what we can build with it. Each week, Sri and Wil introduce a big idea in the future of computing and extrapolate the effect it will have on the world.

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