https://groups.google.com/forum/#!topic/comp.sys.mac.system/jIWY8VRl3cw > Recommended "vm_compressor=2" or "vm_compressor=4". > Compressor mode 4 (VM compressed + swap) and all the steps between 1st-4th descripted before, is equal than compressor mode 2 (VM compressed/encrypted without swap). > In compressor mode 1, if you disable swap, system is always 100% memory pressure, and if memory is full at some point, the system will freeze. > So i recommended mode 2 or 4 with steps to disable swap applied.