[jira] [Created] (HADOOP-10724) `hadoop fs -du -h` incorrectly formatted

["Sam Steingold (JIRA)" <ji...@apache.org>]

Sam Steingold created HADOOP-10724:
--------------------------------------

             Summary: `hadoop fs -du -h` incorrectly formatted
                 Key: HADOOP-10724
                 URL: https://issues.apache.org/jira/browse/HADOOP-10724
             Project: Hadoop Common
          Issue Type: Bug
          Components: fs
            Reporter: Sam Steingold


{{hadoop fs -du -h}} prints sizes with a space between the number and the unit:

{code}
$ hadoop fs -du -h ..... 
91.7 G   ....
583.1 M  ....
97.6 K   .....
{code}

The standard unix {{du -h}} does not:

{code}
$ du -h
400K    ...
404K    ....
480K    .....
{code}

the result is that the output of {{du -h}} is properly sorted by {{sort -h}} while the output of {{hadoop fs -du -h}} is *not* properly sorted by it.

Please see 

* [sort|http://linux.die.net/man/1/sort]: "-h --human-numeric-sort
    compare human readable numbers (e.g., 2K 1G) "
* [du|http://linux.die.net/man/1/du]: "-h, --human-readable
    print sizes in human readable format (e.g., 1K 234M 2G) "



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