Re: help:Oracle 9i Pin problem

"Jonathan Lewis" <jonathan_at_jlcomp.demon.co.uk> wrote in message news:999702126.17719.0.nnrp-01.9e984b29_at_news.demon.co.uk...
>
> You may have far fewer problems with
> pinging - if you define pinging as writing
> a buffer block to disc because a different
> instance wants to take it in exclusive mode.
>

If you define pinging like that, then there should be no pinging whatsoever, since in RAC blocks are transferred across the interconnect, not via disk.

It's true I may be missing a scenario or three, but I've yet to find one that requires a write to disk before the requesting Instance can obtain the resource.

Regards
HJR
> However, I think you would be over-optimistic
> to believe that you can forget about having to
> partition your application across your servers
> unless it is a lightweight application and there
> are only two instances.
>
>
> --
> Jonathan Lewis
> http://www.jlcomp.demon.co.uk
>
> Host to The Co-Operative Oracle Users' FAQ
> http://www.jlcomp.demon.co.uk/faq/ind_faq.html
>
> Author of:
> Practical Oracle 8i: Building Efficient Databases
>
> Screen saver or Life saver: http://www.ud.com
> Use spare CPU to assist in cancer research.
>
> u518615722_at_spawnkill.ip-mobilphone.net wrote in message ...
> >We are trying to implement 9i RAC. To my knowledge, we should design our
> application to avoid pin problem when install parallel server. Now
> > 9i has cache fusion, so we do not have to worry about pin now, am I
> >right?
> >
>
>
>
Received on Wed Sep 05 2001 - 15:17:23 CDT