shell命令 *** 作hdfs

hdfs dfs -setfattr -n user.form -v http://www.baidu.com /001/mydemo/hdfs1.txt
hdfs dfs -getfattr -d /001/mydemo/hdfs1.txt

hdfs dfsadmin -safemode get
hdfs dfsadmin -safemode enter
hdfs dfsadmin -safemode leave

hdfs dfsadmin -allowSnapshot /001/mydemo
hdfs dfsadmin -disallowSnapshot /001/mydemo
hdfs dfs -createSnapshot /001/mydemo s1
hdfs dfs -renameSnapshot /001/mydemo s1 s2
hdfs dfs -deleteSnapshot /001/mydemo s2

hdfs dfsadmin -setQuota 3 /001/mydemo3
hdfs dfsadmin -clrQuota /001/mydemo3

hdfs dfsadmin -setSpaceQuota 402653184 /001/mydemo3
hdfs dfsadmin -clrSpaceQuota /001/mydemo3

hdfs dfsadmin -report

hdfs dfsadmin -printTopology

hdfs fsck /user/hadoop/hadoop-2.7.3.tar.gz -files -blocks

hdfs fsck /user/hadoop/hadoop-2.7.3.tar.gz -files -blocks -locations