It's about time. Google AppEngine (Map Reduce, GFS, etc) has always lacked behind the Dynamo architecture in terms of winning developer mind share and specing

It's about time. Google AppEngine (Map Reduce, GFS, etc) has always lacked behind the Dynamo architecture in terms of winning developer mind share and specing the right features. The inherent problem with Google App Engine is it's not backwards compatible with existing system.