> -----Original Message-----
> From: Mark Neighbors [mailto:[EMAIL PROTECTED]
> Sent: 06 October 2004 20:54
> To: [EMAIL PROTECTED]
> Subject: We need to migrate from ODMG to clustering with opt  locking. If
this possible?
> We need to know if OJB will support clustering with a  low-cost migration
from
> where we are now: ODMG with pessimistic locking.

http://db.apache.org/ojb/docu/howtos/howto-work-with-clustering.html
 
> In OJB will ODMG ever support optimistic locking?

It already does. 

http://db.apache.org/ojb/docu/faq.html#optimisticLocking


> 
> Is there a viable caching solution?

See clustering reference above. Also see
http://db.apache.org/ojb/docu/guides/objectcache.html
 


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