Introducing the Oracle-SimpleDB Hybrid
I have been building an eventually-consistent, multi-master data store at Netflix. This system is comprised of an Oracle replica and several SimpleDB replicas.
I think that loading 1 Billion Rows into Amazon SimpleDB was part of the experiment.
via: http://rooksfury.tumblr.com/post/285434697/multimasterreplicationbetweenoracleandsdb