[Bug 209471] Listen queue overflow due to too many sockets stuck in CLOSED state

bugzilla-noreply at freebsd.org bugzilla-noreply at freebsd.org
Tue May 17 11:29:41 UTC 2016


--- Comment #18 from Twingly <shared+bugs.freebsd.org at twingly.com> ---
(In reply to Robert Blayzor from comment #14)
> > One would think these two bug (or same one) would be a major regression other people would run into. If not, why?

I do think other people are running into this. We do. It has happened to us
since early January, 5 times. In our cases it is mysqld that hangs. I think
this is related to https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=204764.

Robert, can you check with procstat -t if your processes are in "vodead" state
when this happens?

Sorry for the quick post, I will try to post more information about our setup
later. Just some quicks notes: we have physical machines with FreeBSD 10.2, we
use ZFS (mirrored SSDs).

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