How does it scale? After some reading it seems to be just a hosted database service with several vertical levels of scaling. What happens if Tera instance can't handle your load? Can FathomDB scale horizontally without sharding?
Sorry - it's difficult to be totally clear in 6 minutes! We have two offerings ... a fully-managed MySQL database-as-a-service which lets you grow up to the biggest server on the cloud, and a new database which we've built ourselves, which we've announced but isn't publicly available yet.
The scalable technology does horizontal scaling, and no - you don't have to shard. Of course, in some sense your data is sharded, because it is distributed across multiple machines, but we're not doing anything that you'd consider sharding in anything other than the most pedantic sense!
