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netty / netty-incubator-transport-io_uring

Apache License 2.0
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Add IOSQE_ASYNC_HYBRID support #127

Open franz1981 opened 2 years ago

franz1981 commented 2 years ago

https://github.com/torvalds/linux/commit/90fa02883f063b971ebfd9f5b2184b38b83b7ee3 has introduced IOSQE_ASYNC_HYBRID that would be beneficial "in cases where unbound max_worker is relatively small" (quoting the commit msg).

We should also provide some guidance/doc/readme to tell users to limit the number of max_workers as https://github.com/netty/netty-incubator-transport-io_uring/issues/106 shows that people would get a huge amount of time spent by lot of kernel threads to async complete unbound I/O work

franz1981 commented 2 years ago

Some more info about how it's supposed to work on https://github.com/axboe/liburing/issues/420#issuecomment-909430547

normanmaurer commented 2 years ago

IOSQE_ASYNC_HYBRID looks really promising!