[Bug 253912] [PATCH] Inefficient lookup of incoming packets in libalias

From: <bugzilla-noreply_at_freebsd.org>
Date: Sun, 25 Feb 2024 16:37:53 UTC

Sergey Matveev <stargrave@stargrave.org> changed:

           What    |Removed                     |Added
                 CC|                            |stargrave@stargrave.org

--- Comment #4 from Sergey Matveev <stargrave@stargrave.org> ---
I have got the same problem: BitTorrent client behind the NAT, where thousands
of various external addresses come to single 100Mbps forwarded UDP/TCP port.
Applied patch on top of 13.2 and it runs smoothly. Before that,
libalias-related kernel processes ate 50-70% of my 6-core Xeon CPU. Now all of
that (firewall+NAT+FQ-CoDel+gif-tunnel) eat 1% of a single core. Thanks for the
patch and solution!

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