040000 tree 29bc18be1ce49c9785654720795ce59599cc0776	balancer
040000 tree 586ea1bbbd383bf42c9fccdb25d70ac3402cff0e	common
040000 tree 90d03b2d82e07e2771c466ba81d44bc00bb852dc	datanode
040000 tree 0435dce7d4171565d6aaeacc5f0b566fa26649b0	namenode
040000 tree 78cdb55c5c56d899fea1469a46513e1e09c2dbf1	protocol