040000 tree 5bc5850bf6f015519c8cfd1a7292de2aa9dd7ec1	bookie
040000 tree 654e4997ea02f72c252b2c350171613382a233fd	broker
040000 tree ee64bdea096ad23c44d2a7459c0522c2e2dce011	common
040000 tree a76ead56f233661c0c6a6209023391388dc33c24	zookeeper