%% 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)),
这个方法能够通知集群中的全部节点,从新更新集群的节点信息。oop