Most of those things, like Java for an HP ILO, can be isolated to networks that are not on the Internet or are highly protected. They don't need to be on general use machines.
Fujitsu's own numbers suggest that the upgrade (which I checked, would quadruple the cores) would be expected to result in a 10 fold increase in petaflops.... from 10 to 100!! It could "easily" be three times the performance of the top ranked Tianhe-2.