Yellow Bricks: I have memory pages swapped, can vSphere unswap them?
“I have memory pages swapped out to disk, can vSphere swap them back in to memory again” is one of those questions that comes up occasionally. A while back I asked the engineering team why we don’t “swap in” pages when memory contention is lifted. There was no real good answer for it other than it was difficult to predict from a behavioural point of view. So I asked what about doing it manually? Unfortunately the answer was: well we will look in to it but it has no real priority it this point.