a slightly harder question

I've been working at this new job for about 4 days, and they've just dropped a doozy on me. All reads are performed on one database, and all writes are performed on another. The writes are then pushed to the read db by a server process. So basically, all operations performed with the get(), find(), fetch(), count(), etc go to DB1, and all uses of update(), delete(), insert(), etc go to DB2. So, I figure I can basically have two sets of identical DataObject classes, one for reading and one for writing. But I'm having trouble figuring out how to configure them. Or could I simply have the two databases in the config file, but can it handle db's with identical tables? I'm sorry that I keep coming to you guys, I'd much rather figure stuff out on my own, but I kinda got blindsided by this issue. Any suggestions are appreciated. Sasha