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Now that io_uring will be in the upcoming 5.1 kernel, I spent some time writing up how it came to be and how it works. More formats likely coming, and I expect a few revisions too. For now, consider this v1.0 of the doc: http://kernel.dk/io_uring.pdf
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This is a great Friday read.https://twitter.com/Cor3ntin/status/1223276371067265024 …
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Busy updating io_uring man pages. Making everything current, but also including kernel version availability of previous features. You can always find the up-to-date set in liburing - at least for now, at some point I'll try and push these to the normal man pages package.
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5.6 merge window changes for io_uring have now been merged. So many goodies in there, can't wait to see how 5.7 shapes up in the coming months. https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=896f8d23d0cb5889021d66eab6107e97109c5459 …
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Not exactly rookie numbers!https://twitter.com/glcst/status/1222597813932044288 …
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Jens Axboe Retweeted
[$] Some 5.5 kernel development statistics https://lwn.net/Articles/810639/rss …
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Jens Axboe Retweeted
Initial implementation of io_uring for seastar posted. Need to do more testing, polish some details, and find some annoying bugs. But looking good!
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Jens Axboe Retweeted
io_uring based transport layer for ASP․NET? Yes please! https://github.com/tkp1n/IoUring A very early prototype, rough edges, missing features but LOTs of fun! Feel free to leave a comment or even better, a commit :)
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Always appreciate when Jon writes up some of my work, he does it so much better than I can.https://twitter.com/lwnnet/status/1220753728887775237 …
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Jens Axboe Retweeted
I'll be giving a short talk at FOSDEM this year in the
#rustlang room on modern systems engineering: * why io_uring will replace your IO stack * high concurrency DB techniques * bucking conv. wisdom on error handling If you're around come say hi :)https://fosdem.org/2020/schedule/event/rust_techniques_sled/ …Thanks. Twitter will use this to make your timeline better. UndoUndo -
Jens Axboe Retweeted
@axboe just FYI, io_uring has been so far an extreme pleasure to work with. Most of the time I am spending is on refactoring and on the fact that seastar will have to keep supporting the old aio api. If we were starting from scratch with io_uring today it'd be even easierThanks. Twitter will use this to make your timeline better. UndoUndo -
Jens Axboe Retweeted
#iouring#seastar was catching up on some mail and saw this! https://groups.google.com/forum/#!topic/seastar-dev/7DsJUhzP6FA … by@glcst - yay!Thanks. Twitter will use this to make your timeline better. UndoUndo -
Was great to meet you and discuss io_uring and netty (and just tech in general too). Already sparked a small patch set: https://lore.kernel.org/io-uring/20200123231614.10850-1-axboe@kernel.dk/T/#u …https://twitter.com/normanmaurer/status/1220372518713749505 …
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Jens Axboe Retweeted
The libunifex project by
@lewissbaker demonstrates using sender/receiver with io_uring.https://github.com/facebookexperimental/libunifex …Thanks. Twitter will use this to make your timeline better. UndoUndo -
I've changed the liburing license from LGPL to dual licensed LGPL/MIT. This should make it easier for some folks to adopt.
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Jens Axboe Retweeted
#io_uring vs#epoll: simple echo server. io_uring +99% performance, -45% cpu usage. Wow.@axboe@VincentFree.
io_uring
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Try for yourself:
io_uring: https://github.com/frevib/io_uring-echo-server …
epoll: https://github.com/frevib/epoll-echo-server …pic.twitter.com/JFfvdMvpVG
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It's a great honor, hope I can live up to it! Below is how I see myself recruiting new speakers. https://twitter.com/KernelRecipes/status/1217571192527314944 …pic.twitter.com/KhEJFxCmxu
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Jens Axboe Retweeted
Heya heya! 9th edition of Kernel Recipes will take place in Paris, 28 to 30th september 2020. Stay tuned!
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Jens Axboe Retweeted
Just cut rio 0.6.2 which automatically handles submission, removing another potential source of misuse for folks who want to take advantage of incredible io_uring perf in
#rustlang. io_uring is a goldrush for file and network IO. This changes everything. https://github.com/spacejam/rio https://twitter.com/sadisticsystems/status/1216824107515502595 …Thanks. Twitter will use this to make your timeline better. UndoUndo -
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Jens Axboe Retweeted
Just cut rio 0.5! It's a pure-rust misuse-resistant io_uring library. io_uring will change everything about IO. The goldrush has started but folks don't realize it yet.
#rustlang lifetimes+RAII tricks ensure safety. go measure the o_direct example vs what you currently use :] https://twitter.com/sadisticsystems/status/1213188697274888192 …pic.twitter.com/htOKHXBOEk
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