Around 200 write tx/s as a baseline. Spikes to 2000 write tx/s at the start of every minute, and 4000 write tx/s every 10 minutes.
> Any reason not to use a hosted postgres provider?
* Cost
* Schrems II
* From what I remember, both Google Cloud SQL and AWS RDS used to have mandatory maintenance windows. The fail-over was not instant, so there was some unavoidable downtime every month. This was a while ago – maybe it is different now.