FreeBSD, Centos and ZFS - SOLVED

aurfalien aurfalien at gmail.com
Sat Nov 9 00:18:51 UTC 2013


Hi,

Sure, I decided to run powerd with the following args;

-a hiadaptive -p 25

And its running rather well.

I will be trying the additional option you mentioned all those moons ago next week;

performance_cpu_freq="HIGH"


- aurf

On Nov 8, 2013, at 4:12 PM, Adrian Chadd wrote:

> Hi!
> 
> Sorry to resurrect this thread, but I'd like to understand what's
> going on under the hood.
> 
> 
> On 22 October 2013 16:40, aurfalien <aurfalien at gmail.com> wrote:
> 
>> OMG, what a relief... the ~30% diff in performance was due to a BIOS setting, in particular this one;
>> 
>> Intel Turbo Boost Technology
>> Enhanced Intel SpeedStep Tech
>> 
>> I disabled both.
>> 
>> In fact, FreeBSD is showing a tad better now then CentOS.  I have files if any one is interested in viewing.
>> 
>> Thanks to all for the rather overwhelming response :)
>> 
>> Actually it was good that hardly any one did as it forced me to debug the old fashioned way :)
> 
> Would you mind testing out running powerd as suggested? Does that give
> you a performance boost?
> 
> with this in /etc/rc.conf:
> 
> performance_cpu_freq="HIGH"
> 
> Thanks!
> 
> 
> 
> -adrian



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