Re: Extra CPU

Nope. It's a standard loop construction. You can try it yourself:
begin
for i in 1..200000 loop
null;
end loop;
end;

Spins the single processor fairly well on any NT platform.

And I really do wonder will it spin all CPUs if we have more than one.

Sincerely, Ilya.

Jim Kennedy <kennedy-family_at_home.com> wrote in message news:TFwA6.700568$U46.21940953_at_news1.sttls1.wa.home.com...
> Find out why it is using so much processor time. Is it all dynamic sql?
> Jim
>
> "Ilya Kuzkin" <elliew_at_hotmail.com> wrote in message
> news:9ati6g$fai$1_at_news3.cadvision.com...
> > Hi, All.
> > Environment:
> > Oracle 8.0.4 (yes, desupported), Dec Alpha NT 4.0 (of course desupported
> > too) :)
> > Here's the problem - We've got several concurrent processes and one of
 them
> > performs heavy PL/SQL code and another executes queries one after
 another
> > (lets call them Process 1 and Process 2 for the further reference).
> > Process 1 is basically spinning the server for the 80% of its working
 cycle
> > with PL/SQL long lasting loop so the performance of Process 2 falls
> > drastically (4 times) and we really cannot afford this.
> > So, I wonder... If we add the second processor to this dinosaur. Would
 it
> > really improve the situation? Wont it happen that that loop will occupy
 and
> > spin both CPUs as it spins the single one?
> > My concern is - we cannot just take that proc out of the blue, we have
 to
> > destroy the standby server machine so it may be costly for us... But if
 we
> > will be able to obtain seriuous benefits from this move, please let me
 know.
> >
> > Sincerely, Ilya.
> >
> >
> >
> >
>
>
Received on Tue Apr 10 2001 - 10:20:11 CDT