Dynamo might fill this need for you; you can provision a 1/1 table for less than a dollar per month and just put everything in it. Dynamo will bank some provisi

Dynamo might fill this need for you; you can provision a 1/1 table for less than a dollar per month and just put everything in it. Dynamo will bank some provisioned throughput for you to allow bursting, and the client apis all implement exponential backoff in the event of a throttle, so a 1/1 table isn't nearly as scary as you might initially think. Of course, then you're using Dynamo.