Short of enabling jumbo frames on network adapters I don't think there's much in terms of system-wide tuning. Every program that cares about IO performance woul

Short of enabling jumbo frames on network adapters I don't think there's much in terms of system-wide tuning. Every program that cares about IO performance would implement it on top of raw File API (CreateFile, ReadFile, etc), so the IO strategy will indeed be concealed in the guts of the program.