DatanodeRegistration newBpRegistration = bpos.createRegistration();
DatanodeRegistration newBpRegistration = bpos.createRegistration();
DatanodeRegistration newBpRegistration = bpos.createRegistration();
DatanodeRegistration newBpRegistration = bpos.createRegistration();
DatanodeRegistration newBpRegistration = bpos.createRegistration();
DatanodeRegistration newBpRegistration = bpos.createRegistration();