Most databases including postgres use readonly replicas + a single writer when replicated. So as soon as you have to write, depending on where you place the primary, there will always be some people that have to pay the up-to-200ms tax of their request having to travel across the globe.
Most databases including postgres use readonly replicas + a single writer when replicated. So as soon as you have to write, depending on where you place the primary, there will always be some people that have to pay the up-to-200ms tax of their request having to travel across the globe.