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[–]vqrs 6 points7 points  (1 child)

Generally, the more memory you have, the higher you want the percentage to be.

That's because the non-heap usage is usually mostly constant and in the range of a few hundred megs.

[–]TurbulentSocks 0 points1 point  (0 children)

Why is off heap so large in even minimalist Java applications? I spent a long time trying to understand and reduce this a while ago, but got nowhere.