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Date:      Wed, 2 Jul 2014 17:17:09 -0700
From:      Michael Sierchio <kudzu@tenebras.com>
To:        Rick Macklem <rmacklem@uoguelph.ca>
Cc:        "Russell L. Carter" <rcarter@pinyon.org>, "freebsd-net@freebsd.org" <freebsd-net@freebsd.org>
Subject:   Re: NFS client READ performance on -current
Message-ID:  <CAHu1Y738u1OGG6MC29kT4860pwCUSvDobRnNrhcdKCTubJN2SQ@mail.gmail.com>
In-Reply-To: <371130768.6608219.1404345846086.JavaMail.root@uoguelph.ca>
References:  <53B49AE0.4030902@pinyon.org> <371130768.6608219.1404345846086.JavaMail.root@uoguelph.ca>

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On Wed, Jul 2, 2014 at 5:04 PM, Rick Macklem <rmacklem@uoguelph.ca> wrote:

> Please try disabling TSO on the FreeBSD systems and also
> try an rsize=32768 to see if either of those have any effect.

ifconfig <interface> -tso
sysctl net.inet.tcp.tso=0

Maybe do the same for lro?

ifconfig <interface> -tso -lro
sysctl net.inet.tcp.tso=0
dev.<interface>.0.enable_lro=0

- M



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