alt Hacker News> so if you’re hosted there, it should be about the same latency as using their managed DB service.
yes and no. In my AWS account I can explicitly pick an AZ (us-east-2a, us-east-2b or us-east-2c) but Availability Zones are not consistent between AWS accounts.
See https://docs.aws.amazon.com/ram/latest/userguide/working-wit...
But that's exactly why they introduced the AZ IDs (use1-az1 as opposed to us-east-1a), so you can tell whether you're really in the same zone, regardless of the name you see in a particular account.