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Date: Tue, 20 Nov 2012 18:27:54 -0500
From: Mike Jakubik <mike.jakubik@intertainservices.com>
To: <freebsd-performance@freebsd.org>
Subject: Re: new DragonFly-3.2 scheduler and PostgreSQL comparision with
 FreeBSD 9.1-RC1
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On 2012-11-20 04:56 PM, Miroslav Lachman wrote:
> Mike Jakubik wrote:

>> These numbers show very significant improvements. Any
>> possibility/interests in porting this scheduler to FreeBSD or this 
>> too
>> much work? I know many have and still complain about our current 
>> scheduler.
>
> Just for the record. There is Phoronix benchmark comparing DF 3.0.3,
> 3.2.1 and Ubuntu 12.10 showing that scheduler tweaks was good for
> pgbench, but not so significant for other tasks.
>
> http://www.phoronix.com/scan.php?page=article&item=dragonfly_linux_32
>


Indeed it seems like the performance gains were targeted at PostgreSQL, 
though performance has not dropped in any other areas according to this 
benchmark.