[marcosdumay]

Complete atomicity carries with it the idea that the world is frozen, and any data only needs to change when you allow it to.

That's to say, it's an incredibly good idea when you can physically implement it. It's not something that everybody can do.

[newsoftheday]

No, complete atomicity doesn't require a frozen state, it requires common sense and fail-proof, fool-proof guarantees derived from assurances gained from testing.

There is another name for rolling forward, it's called tripping up.