[Bug 229614] ZFS lockup in zil_commit_impl

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=229614

--- Comment #13 from Michael Gmelin <grembo at FreeBSD.org> ---
(In reply to Mike from comment #12)

Interesting, I haven't seen the problem on bare metal yet (we have 4 million
there which is plenty for our workloads).

Check

 sysctl vfs.numvnodes

under your typical workloads and set kern.maxvnodes so that it's twice as
much(even if it works this is just a workaround, the underlying issue
absolutely has to be fixed).

Can you reproduce the problem reliably, or does it just happen once in a while
(e.g. during nightly periodic jobs)?

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