Oracle FAQ | Your Portal to the Oracle Knowledge Grid |
![]() |
![]() |
Home -> Community -> Usenet -> c.d.o.server -> Re: TPC-C Superdome init.ora ?
The TPC-C benchmark spec has a builtin governor (average tpmC per warehouse must be greater than 9) to prevent over-scaling a system configuration. It also has random "think time" periods following transactions so that the transactions ebb and flow at an irregular pace.
<hailey_kyle_at_my-deja.com> wrote in message
news:94l926$u6b$1_at_nnrp1.deja.com...
> I'm unfamiliar with what you are making reference to, but the # of CPUs
> is used in some cases to calculate the # of latches protecting some
> structures. Thus the cpu_count can be used to fudge the # of some
> latches. I wouldn't particularly spend too much time studying a TPC-C
> init.ora because often there are cludges which make very little
> difference and no difference at all unless the system is maxed to the
> bleeding point which is not the case of any production system since
> work loads come in waves and any system running as close to the edge as
> a TPC that gets a surge will typically go over in any of various ways,
> memory/paging, CPU etc, or just serious reductions in through put due
> to bottle knecks on any of a number of Oracle resources.
>
> Best
> Kyle
>
>
>
> In article <94l1mh$nkl$1_at_nnrp1.deja.com>,
> jobrien99_at_my-deja.com wrote:
> > Hi,
> >
> > Just wondering why the cpu_count is set to 64 in the latest tpc c with
> > the superdome when there are only 48 cpus ?
> >
> > What about the compatible parameter and the announced version ?
> >
> > John
> >
> > Sent via Deja.com
> > http://www.deja.com/
> >
>
>
> Sent via Deja.com
> http://www.deja.com/
Received on Wed Jan 24 2001 - 14:23:12 CST
![]() |
![]() |