What happens if the primary database fails?

[benkingcode]

I've been reading through lots of documentation trying to find an answer for this but there doesn't seem to be one. I understand that Neon is architected differently and as such doesn't have a traditional High Availability setup. But lets say I have a write and a read replica. What would happen if the write suddenly dies? Will it just be offline for a period until Neon spins up a new one? If so how long will that take?

I'm happy with a few seconds of read-only downtime, I'm just nervous about what exactly the worst case scenario is when it comes to the main/write database.