This is pretty neat, and different from many other "simple" KV stores, because it arranges things in key-order on disk, and permits forward/reverse iteration ov

This is pretty neat, and different from many other "simple" KV stores, because it arranges things in key-order on disk, and permits forward/reverse iteration over keys. (ie, range queries are cheap) edit: it's actually full log-structured merge, sstables, memtables etc.