the difficulty starts happening when something goes wrong. FDB has a lot of moving parts (for good reasons, this is not to speak ill of FDB), and that conceptua

the difficulty starts happening when something goes wrong. FDB has a lot of moving parts (for good reasons, this is not to speak ill of FDB), and that conceptual complexity is a lot more what CouchDB has today with its very basic Dynamo sharding model. Resolving issues with CouchDB is also not trivial, make no mistake, but there is generally a lot less going on.