1.在主分区集合(foo.date)的指定区间(20130101~20130120)下挂载子分区集合foo.range
db.foo.range.attachCL("foo.date",{LowBound:{date:"20130101"},UpBound:{date:"20130120"}})
(nofile):0 uncaught exception: -236
Invalid partitioned-collection
Takes 0.3859s.
2.假如1個數據組group,副本數設定是3,請問這個組由2個數據節點組成和3個數據節點組成有何區別?
