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Date:      Mon, 5 May 2003 23:58:37 -0700
From:      Sean Chittenden <sean@chittenden.org>
To:        Alan Jorge Markus <freebsd@staff.neoline.com.br>
Cc:        freebsd-performance <freebsd-performance@freebsd.org>
Subject:   Re: FReebsd 5.0 network performance problem
Message-ID:  <20030506065837.GT94932@perrin.int.nxad.com>
In-Reply-To: <001901c3137b$cc8d66f0$044ec7c8@AJMNOTEBOOK>
References:  <001901c3137b$cc8d66f0$044ec7c8@AJMNOTEBOOK>

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> I have two servers, one Freebsd 5.0 running squid and another server
> with identical hardware configuration, running Freebsd 4.8 and
> squid, with the same number of requisitions.
>
> The problem:
> I have the same hardware in both servers, with almost the same
> configuration, but running diferent versions of freebsd, but the machine
> load in my freebsd running the version 5.0 is 1.40 while the load in the 4.8
> server is 0.38.
> 
> I believe that something in my network configuration maybe wrong.
> Looking at my 5.0 server:

Don't use 5.0 for production.  If you are going to put anything in
production, use a _very_ recent -CURRENT.  Even then, 5.0 isn't as
fast as the -STABLE series at the moment because it's still in an
awkward transition between locking via giant and fine grain locking.
If you'd like to help figure out performance problems for -CURRENT
however, have you tried running any kernel profiling to see where the
kernel is spending it's cycles?  -sc

-- 
Sean Chittenden



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