[Bug 277197] NFS is much too slow at 10GbaseT

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=277197

--- Comment #4 from Rick Macklem <rmacklem@FreeBSD.org> ---
I'd recommend that you start a discussion
on a mailing list (freebsd-current@ or
freebsd-stable@), since others may have
insight related to tuning and the Intel NIC/driver.

On the mailing list, I suggest you ask others what
performance they get when using other non-Intel NICs.

One well known problem (that may never be fixed) is
that use of 9K jumbo mbufs can cause fragmentation
of the mbuf pool. (A NIC driver does not need to use
9K jumbo mbufs for 9K mtu packets, but some do.)

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