[Bug 270975] system hangs with heavy io and regular syncing

From: <bugzilla-noreply_at_freebsd.org>
Date: Mon, 24 Apr 2023 06:21:42 UTC

--- Comment #2 from nkoch@demig.de ---
I would like to repeat: I've found that some thread remained in unkillable
sleep in syscall sync(). For me, that does not look like a performance problem.
And all of the io prcesses do some random sleep after calling sync.

I did the same test with the same number of io processes without rptrio. So
far, after 2 days it does not show any unexpected behaviour.

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