> > I don't know. Does that impact the above conclusion?
> > I just said that the above combination is impossible.
>
> moot point then...
Why? I only said "I don't know", not "there are no systems using this".
It only means "I don't know of any such systems", which really doesn't
say much since I don't know the details of many systems at all.
See the difference?
> I guess you could elaborate on how option A works in a clustered
> environment. Or is this also one of those things where it *is possible*, but
> only with a cluster that doesn't duplicate its beans in multiple containers?
There would be two ways I think:
* dedicate each node to a particular entity -> no need to update
* Use a CMP implementation that does synched cluster caching. Use, for
example, timestamps for optimistic concurrency control, or global locks
for pessimistic CC
The latter /w OCC would be the more likely case I guess.
/Rickard
--
Rickard �berg
Email: [EMAIL PROTECTED]
http://www.telkel.com
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