[elcritch]

Not necessarily, even small datasets can benefit from a distributed database. Configuring a HA database setup for any of the open source DB's requires a lot of work. For a startup, a small cluster can provide HA, redundancy, and ease of scalability should the need arise.

[haimez]

No one cares about the difference between 99.9 and 99.999 reliability at the DB layer and then adopts a new open source DB to solve that problem. Especially when that exciting, new, experimental database cripples your ability to back it up. Hilarious.