hadoop fs 更多用法，请参考官网：http://hadoop.apache.org/docs/r1.0.4/cn/hdfs_shell.html
以下是我的使用hadoop fs -du统计文件时使用的记录：
[t@dv00938 ~]$ hadoop fs -ls /jc_rc/rc_hive_db/llcfpd_s_join_n_over0innerdoor_lishui
// :: INFO hdfs.PeerCache: SocketCache disabled.
Found items
-rwxrwx---+ t_user t_user_group -- : /t_user/my_hive_db/my_hive_table_test01/000000_0
-rwxrwx---+ t_user t_user_group -- : /t_user/my_hive_db/my_hive_table_test01/000001_0
-rwxrwx---+ t_user t_user_group -- : /t_user/my_hive_db/my_hive_table_test01/000002_0
-rwxrwx---+ t_user t_user_group -- : /t_user/my_hive_db/my_hive_table_test01/000003_0
-rwxrwx---+ t_user t_user_group -- : /t_user/my_hive_db/my_hive_table_test01/000004_0
-rwxrwx---+ t_user t_user_group -- : /t_user/my_hive_db/my_hive_table_test01/000005_0
...
[t@dv00938 ~]$ hadoop fs -du /t_user/my_hive_db/my_hive_table_test01
// :: INFO hdfs.PeerCache: SocketCache disabled.
/t_user/my_hive_db/my_hive_table_test01/000000_0
/t_user/my_hive_db/my_hive_table_test01/000001_0
/t_user/my_hive_db/my_hive_table_test01/000002_0
/t_user/my_hive_db/my_hive_table_test01/000003_0
/t_user/my_hive_db/my_hive_table_test01/000004_0
/t_user/my_hive_db/my_hive_table_test01/000005_0
...
[t@dv00938 ~]$ hadoop fs -du -h /t_user/my_hive_db/my_hive_table_test01
// :: INFO hdfs.PeerCache: SocketCache disabled.
269.1 M /t_user/my_hive_db/my_hive_table_test01/000000_0
268.4 M /t_user/my_hive_db/my_hive_table_test01/000001_0
268.0 M /t_user/my_hive_db/my_hive_table_test01/000002_0
267.8 M /t_user/my_hive_db/my_hive_table_test01/000003_0
267.4 M /t_user/my_hive_db/my_hive_table_test01/000004_0
266.8 M /t_user/my_hive_db/my_hive_table_test01/000005_0
...
[t@dv00938 ~]$ hadoop fs -du -s /t_user/my_hive_db/my_hive_table_test01
// :: INFO hdfs.PeerCache: SocketCache disabled.
/t_user/my_hive_db/my_hive_table_test01 [t@dv00938 ~]$ hadoop fs -du -s -h /t_user/my_hive_db/my_hive_table_test01
// :: INFO hdfs.PeerCache: SocketCache disabled.
27.9 G /t_user/my_hive_db/my_hive_table_test01
hadoop fs -count
[dx@d- conf]$ hadoop fs -count /user/dx/
/user/dx
[dx@d- conf]$ hadoop fs -count /user/dx/*
12 4 45844 /user/dx/.Trash
15 502 2382220393 /user/dx/.sparkStaging
1 2 28116579 /user/dx/base_data
45212 109771 23930279854 /user/dx/streaming