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Add IOSQE_ASYNC_HYBRID support #127

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franz1981 opened this issue Nov 23, 2021 · 2 comments
Open

Add IOSQE_ASYNC_HYBRID support #127

franz1981 opened this issue Nov 23, 2021 · 2 comments

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@franz1981
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torvalds/linux@90fa028 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 #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
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Some more info about how it's supposed to work on axboe/liburing#420 (comment)

@normanmaurer
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IOSQE_ASYNC_HYBRID looks really promising!

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@normanmaurer @franz1981