> Actually, I think a more interesting question is "should CHECKPOINT
> have permission restrictions? If so, what should they be?"
>
> A quite relevant precedent is that Unix systems (at least the ones
> I've used) do not restrict who can call sync().
Checkpoints 1. affect entire system, 2. increase log output and
3. it's hard operation. Command itself was added mostly for debug
purposes.
Vadim