Re: FreeBSD is very slow when Memory chip sizes are imbalanced i

On Mon, Mar 18, 2013 at 8:21 AM, Steven Hartland <killing@multiplay.co.uk>wrote:

> **
> >> ----- Original Message ----- From: Mehmet Erol Sanliturk
> >>>
> >>> Surely you can eliminate all of those and confirm / deny the original
> >>>> diagnosis by simply installing balanced memory in the machine and
> >>>> checking
> >>>> to see if the problem goes away?
> >>>>
> >>>
> >>> Please see links in my previous mails .
> >>> All of these are worked in detail .
> >>>
> >>> This is Intel DG965WH main board and I do not know much about NUMA ,
> but
> >>> with respect to Wikipedia Non-Uniform_Memory_Access  page , it seems
> that
> >>> there is no NUMA structure in this main board .
> >>>
> >>
> >> But have you installed balanced memory and confirmed the problem goes
> away?
> >
> > Yes .
> >
> >
> >
> http://lists.freebsd.org/pipermail/freebsd-current/2012-February/031836.html
> >
> http://lists.freebsd.org/pipermail/freebsd-current/2012-February/031912.html
> >
> http://lists.freebsd.org/pipermail/freebsd-current/2012-February/031928.html
> >
> http://lists.freebsd.org/pipermail/freebsd-current/2012-February/032012.html
> >
>
> You state there that "The main boards are the same" which indicates to me
> the machines aren't the same machine which could result in some other
> subtle
> difference causing the problem.
>
> To confirm you'll need to use the "exact same machine" for tests with the
> only
> difference being the ram modules installed.
>     Regards
>     Steve
>
>

The main boards are the same model , two of them in two different cases ,
not one main board .

Thank you very much .

Mehmet Erol Sanliturk
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