> This doesn't affect availability - except insofar as unavailability might be caused by insufficient capacity, which is not the typical definition.
I agree, but it seemed to me that GP was using it as such: "You cannot meaningfully scale vertically to improve write availability"
This doesn't affect availability - except insofar as unavailability might be caused by insufficient capacity, which is not the typical definition.
> Depending on your availability SLOs, of course
Yes, exactly. Which is the point the GP was making. You generally make the trade-off in question not for performance, but because you have SLOs demanding higher availability. If you do not have these SLOs, then of course you don't want to make that trade-off.