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by atonse 1296 days ago
I do have a question about this – (as I've said in another comment here) after investing a lot in building our own terraform/aws stack, we've started moving all our smaller apps to fly and it's downright delightful to the point where we are considering moving even our HIPAA-compliant software to Fly as soon as I saw the BAA option in your pricing, (and the only hesitation is that there is no Vanta integration and we'd probably have to fill out a bunch of stuff manually to make auditors happy).

But to my actual question: I remember seeing somewhere that Fly Postgres is not a managed database and isn't as fire-and-forget (somewhere in the docs), and that honestly scares me a bit. It shouldn't, because at the end of the day, RDS is probably downright hairy and ugly under the hood, it's just hidden from us.

I've also seen a handful of reliability issues on the forums around postgres. So what is Fly's position on actually running these clusters? Are you guys feeling pretty good about its stability for critical workloads?

On a related note, these folks that are continuing to use RDS via fly... what are the latencies like with a us-east-1 RDS? I know you're in Ashburn so it must be sub 5ms?

That itself would be worth keeping our RDS and moving everything else to Fly to be honest.

1 comments

I recently setup fly -> ec2 -> rds using their wireguard + pgbouncer template.

I'm getting 7ms RTT on us-east-1. Of course I messed up my setup the first time and had RDS in Ohio... That was 30ms.

You would probably get sub 5ms if you did public RDS connection. Don't know if that would ever pass an audit though.

Yeah we’d never even consider adding a public ip to our databases (or web servers)