tried a few things out today as an experiment. Seems well. Played with lava and water and covered a hillside didn't notice any real lag or hiccups. Used a few extra commands like /tp and some mod ones seemed to be working fine as far as I could tell.
Playing: Minecraft, FFXIV, World of Tanks, EvE
Retired from many, incl: WoW: Aesha, Kael'thas; FFXI: Ehlynia, Pandy; Tera: Ehlynia, PvE.