删除hadfs文件
export HADOOP_USER_NAME=hdfs
hadoop fs -rm -r -skipTrash /datafs/5gmr/parameter/neighborhood/*
export HADOOP_USER_NAME=hdfs
hadoop dfs -rm -r /datafs/5gmr/parameter/city_latitude_longitude/*
上传文件
hadoop dfs -put 目录/* /datafs/5gmr/parameter/neighborhood/
