return (ReplicaInPipeline)r;
}
@Test
public void testTransferRbw() throws Exception {
final HdfsConfiguration conf = new HdfsConfiguration();
final MiniDFSCluster cluster = new MiniDFSCluster.Builder(conf
).numDataNodes(REPLICATION).build();
try {
cluster.waitActive();
final DistributedFileSystem fs = cluster.getFileSystem();