Journey to the end of Linux IO APIs (from poll to io_uring)

on YouTube ↗45m

" summary

Explains the evolution of Linux I/O APIs from poll/select and epoll to the newer io_uring introduced in 2019. Uses a simple socket example and code to show how each API works, what problems the newer designs solve, and how io_uring differs from the historical interfaces.

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" chapters (10)

1. 0:00Linux IO APIs journey
2. 1:06IO API concepts
3. 8:53File descriptors role
4. 11:03Naïve server demo
5. 16:19Poll API limits
6. 23:17Epoll API improvements
7. 31:50io_uring intro
8. 38:52io_uring performance
9. 40:56io_uring and filesystems
10. 42:20Conclusion

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