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Date:      Fri, 16 Mar 2007 10:27:50 -0300
From:      Marcelo Gardini do Amaral <marcelo@registro.br>
To:        Robert Watson <rwatson@FreeBSD.org>
Cc:        freebsd-performance@freebsd.org, Peter_Losher@isc.org, jad@nominet.org.uk
Subject:   Re: MFC of UDP socket performance test
Message-ID:  <20070316132750.GK82003@registro.br>
In-Reply-To: <20070316122605.G7579@fledge.watson.org>
References:  <20070315213731.GI82003@registro.br> <20070316122605.G7579@fledge.watson.org>

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On Fri, Mar 16, 2007 at 12:27:24PM +0100, Robert Watson wrote:
> 
> On Thu, 15 Mar 2007, Marcelo Gardini do Amaral wrote:
> 
> >I repeated that performance test done with bind [1] using now Robert's MFC 
> >[2]. Another tweak that I was supposed to do was to use libthr instead of 
> >libpthread (via libmap.conf) and build bind with threads option. In the 
> >new test I did this.
> >
> >I used the same methodology, same zone file and same server hardware that 
> >I used in [3].
> 
> Whether this patch improves performance or not will depend on the nature of 
> the workload and hardware configuration.  It will only help on CPU-bound 
> multiprocessor systems, which probably describes top level domain name 
> servers well, but may describe less loaded systems less well.  I'm not sure 
> what configuration Jinmei was using specifically in his testing and 
> evaluation; since Jinmei is about to become a FreeBSD developer, hopefully 
> we can get him involved further in this conversation.

Great. I will repeat the test with a larger zone, like a top level
domain name. If I see improvement with the patch, I will let you know
guys.


-- 
Att.,

Marcelo Gardini
NIC .br



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