new DragonFly-3.2 scheduler and PostgreSQL comparision with FreeBSD 9.1-RC1
Mike Jakubik
mike.jakubik at intertainservices.com
Tue Nov 20 23:28:01 UTC 2012
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.
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