使用hadoop上传文件 hdfs dfs -put XXX 17/12/08 17:00:39 WARN hdfs.DFSClient: DataStreamer Exception org.apache.hadoop.ipc.RemoteException(java.io.IOException): File /user/sanglp/hadoop-2.7.4.tar.gz._COPYING_ could only be replicated to 0 nodes instead of m…