preloading high-value entity metadata

[Cantor, Scott]

> The problem right now is that Dynamic can't run anywhere but the end of a
> chain because it doesn't cache failure. Until that's cleaned up it has to be used
> very carefully or it will take down your system performance-wise.

By which I just mean that's the one bit of subtlety to be careful of, it doesn't really have anything to do with the original question per se.

-- Scott