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73416ba
(Get the code!)
@ccheney
Regardless if my crashes are gone, my experience is that having a swap file in recent Linux is deadly. If Linux starts swapping only a little then it's hardly usable any more. I believe this is because of the algorithm that decides which pages to remove from memory.
Your observation with 50% RAM could be related to VMLIM. VMLIM says how much of the RAM may be used for programs. By default this is half your RAM. The other half is for cache and buff only. (as I understood, this may be inaccurate). Try other values for VMLIM.