At Oxford you are running Oracle8i, correct? Do you believe that
application partitioning is as important with 9i and cache fusion as it
is in 8i?
- Mladen Gogala <[EMAIL PROTECTED]> wrote:
>
> > Has anyone seen/run/stumbled over similar beast, if so - does it
> "fly"
> > or it "stinks"?
>
> Depends on the application system. RAC is a bit more tolerant, but
> you still
> want to minimize the block exchange between the nodes. Application
> system must
> be "functionally partitioned", meaning that related data should be
> accessed
> from the same node. Example: let's imagine that we have health care
> application system which has elements like members/groups/providers,
> claims
> and drug utilization/ 3rd party vendors. Each of the listed groups is
> a
> complex application system accessing several hundreds of related
> tables. Good
> thing would be to put each of the listed application groups on its
> own node
> with the 4th node reserved for batch processing. If block exchange is
> frequent
> and DLM has a lot of work to do, then "flying" means "free falling
> until you
> hit the ground".
> > P.S.
> >
> > I've looked at number of metalink articles and found none yet to
> > "scratch" this specific "itch" of mine.
> >
> > Oracle RAC on Win2K is for some bizarre reason REQUIREMENT.
>
> Requirement by who? It usually helps to make a business case for a
> specific
> configuration and benchmark it to see whether the performance is
> satisfactory.
> Let me suggest a little benchmark: 4 clustered, beefed up PC boxes
> vs. a
> single, 16-CPU IBM P690 with the latest "960" CPUs and AIX 5.2. You
> can
> benchmark price and performance. I'd be very intrigued to find out
> the
> outcome. It is very hard to predict it properly (wink, wink).
>
>
> >
> >
>
>
> --
> Mladen Gogala
> Oracle DBA
> --
> Please see the official ORACLE-L FAQ: http://www.orafaq.net
> --
> Author: Mladen Gogala
> INET: [EMAIL PROTECTED]
>
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Author: Paul Baumgartel
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Received on Wed Jun 25 2003 - 11:14:13 CDT
