High availability is more important than scalability for most.
On average an AWS availability zone tends to suffer at least one failure a year. Some are disclosed. Many are not. And so that database you are running on a single instance will die.
Question is do you want to do something about it or just suffer the outage.
On average an AWS availability zone tends to suffer at least one failure a year. Some are disclosed. Many are not. And so that database you are running on a single instance will die.
Question is do you want to do something about it or just suffer the outage.