Hello, I'm new to the list.

I was reviewing some conversations in the archives regarding distributed 
cache management -- at one point it was suggested that a whitepaper 
describing the options be created.

I need to use Castor JDO in a distributed, non-EJB environment -- 
multiple JDO instances on the application server tier will have 
connections to the same underlying datasource (in this case, RDBMS).  I 
am primarily concerned with the problem of keeping caches in sync 
between the different app servers; it can be conveniently assumed that 
no external processes are directly modifying the RDBMS (i.e. not using 
Castor APIs).

Has any additional work been done either to implement a shared cache 
invalidation/mirroring scheme or to further analyze the problem?  Has 
anyone implemented their own hacks?

I would be interested in contributing to implement such a mechanism if 
necessary.

Thanks,

Wes

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