From owner-freebsd-performance@FreeBSD.ORG  Fri Jan 27 05:10:27 2006
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Date: Fri, 27 Jan 2006 16:10:22 +1100
From: Michael Vince <mv@roq.com>
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To: Joao Barros <joao.barros@gmail.com>
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Cc: Rich Murphey <Rich@whiteoaklabs.com>, Mike Jakubik <mikej@rogers.com>,
	freebsd-performance@freebsd.org
Subject: Re: mysql performance tuning @ FreeBSD6
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Joao Barros wrote:

>On 1/26/06, Mike Jakubik <mikej@rogers.com> wrote:
>  
>
>>Rich Murphey wrote:
>>    
>>
>>>I'm curious whether Robert's patch might have an
>>>effect on samba3 performance as well.
>>>      
>>>
>>No real difference here, tried ACPI-fast, i8254, and TSC. :( My
>>transfers still average at 10MB/s (although it did peak at 20MB/s once)
>>Which is really horrible for a em gigabit link with jumbo frames
>>enabled. The performance of Samba on FreeBSD just stinks, for unknown
>>reasons.
>>    
>>
>
>No real difference here too...
>
>I started a thread on that subject not long ago and following Robert's
>tip setting net.inet.tcp.inflight.enable=0 yielded better results.
>
>--
>Joao Barros
>_______________________________________________
>  
>
With the new TCP/IP stack replacement and major updates to the em driver in FreeBSD -current this should all turn around. I believe I saw a cvs commit for em a little while ago saying the new em driver can achieve higher transfer rates then using em with polling enabled.
Hopefully this stuff will make it into 6.1-Release

Mike