Yeah, zero-copying is a great LMDB feature, even using LuaJIT stored procs you can pass pointer to mmap window and process the data in that window using ffi (di

Yeah, zero-copying is a great LMDB feature, even using LuaJIT stored procs you can pass pointer to mmap window and process the data in that window using ffi (did I say LuaJIT is just damn great?) and (optionally) DynASM.