Yeah, the Dynamo paper is very clear about the rationale behind creating DynamoDB and its usage: - downtime (lack of availability) is very expensive to them, b

Yeah, the Dynamo paper is very clear about the rationale behind creating DynamoDB and its usage: - downtime (lack of availability) is very expensive to them, both directly and also reputationally - traditional ACID stores don't scale with writes whereas an eventually consistent store can achieve this So I completely agree with you in short: Amazon have great reasons to pursue approaches based on eventual consistency.