[Hadoop]常用hdfs shell 命令

http://hadoop.apache.org/docs/r0.17.2/hdfs_shell.html

copyFromLocal

Usage: hadoop dfs -copyFromLocal <localsrc> URI

ls

Usage: hadoop dfs -ls <args>

cat

Usage: hadoop dfs -cat URI [URI …]

copyToLocal

Usage: hadoop dfs -copyToLocal [-ignorecrc] [-crc] URI <localdst>

待续