Executing HDFS commandsΒΆ

You can run the hadoop dfs command (FsShell) within tsql. \dfs command provides a shortcut to the hadoop dfs commands. If you want to use this command, just specify FsShell arguments and add the semicolon at the end as follows:

default> \dfs -ls /
Found 3 items
drwxr-xr-x   - tajo supergroup          0 2014-08-14 04:04 /tajo
drwxr-xr-x   - tajo supergroup          0 2014-09-04 02:20 /tmp
drwxr-xr-x   - tajo supergroup          0 2014-09-16 13:41 /user

default> \dfs -ls /tajo
Found 2 items
drwxr-xr-x   - tajo supergroup          0 2014-08-14 04:04 /tajo/system
drwxr-xr-x   - tajo supergroup          0 2014-08-14 04:15 /tajo/warehouse

default> \dfs -mkdir /tajo/temp

default> \dfs -ls /tajo
Found 3 items
drwxr-xr-x   - tajo supergroup          0 2014-08-14 04:04 /tajo/system
drwxr-xr-x   - tajo supergroup          0 2014-09-23 06:48 /tajo/temp
drwxr-xr-x   - tajo supergroup          0 2014-08-14 04:15 /tajo/warehouse