%% riak_core_bucket_props.erl, line 132 %% do a noop transform on the ring, to make the fixups re-run catch(riak_core_ring_manager:ring_trans(fun(Ring, _) -> {new_ring, Ring} end, undefined)),
這個方法能夠通知集羣中的全部節點,從新更新集羣的節點信息。oop