Date: Fri, 25 May 2007 23:07:28 -0400 From: Gary Palmer <gpalmer@freebsd.org> To: Stephen Clark <Stephen.Clark@seclark.us> Cc: freebsd-stable@freebsd.org Subject: Re: network performance 6.1 stable vs 4.9 Message-ID: <20070526030728.GH28958@in-addr.com> In-Reply-To: <4656D0FB.5070200@seclark.us> References: <4656D0FB.5070200@seclark.us>
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On Fri, May 25, 2007 at 08:05:15AM -0400, Stephen Clark wrote: > Hello List, > > We have a network appliance that is currently based on 4.9. We are in > the process of releasing > a new version based on 6.1 stable. > > In our testing using nttcp thru the appliance we see insignifant > difference in thruput between the 2 > versions in a controlled environment - aproximately 94mbs on a 100mb lan. > > We have a person that is testing the both system inhouse surfing out > over the internet on our T1 > link and he complains that he is consistently seeing the 6.1 version > being much slower than the > 4.9 version (on the same hardware). > He has been comparing the 6.1 system to 4.9 system for a couple of weeks > and continues to insist the 6.1 version is much slower. > > Are there any sysctl tunables that may affect performance going over the > internet > with a slower link, dropped packets, etc that could cause this? > > Any ideas would be appreciated. > > Steve I do not believe that I have seen any description of the hardware involved. That could play a factor.
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