[jira] [Created] (HDFS-11061) Fix dfs -count -t or update its documentation

["Wei-Chiu Chuang (JIRA)" <ji...@apache.org>]

Wei-Chiu Chuang created HDFS-11061:
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             Summary: Fix dfs -count -t or update its documentation
                 Key: HDFS-11061
                 URL: https://issues.apache.org/jira/browse/HDFS-11061
             Project: Hadoop HDFS
          Issue Type: Bug
          Components: fs
            Reporter: Wei-Chiu Chuang
            Priority: Minor


According to dfs -count command line help, -t option must be used along with -q.
* However, the current behavior is that  -t can be used without -q, it's just silently ignored. 
* In addition, -t may also be used with -u. 
* The FileSystemShell doc does not state -t must be used along with -q. This should either be enforced in the code, or update the doc/command line.
* Also, the list of possible parameters for -t option is not described in the doc. Looking at the code (Count.java), the list of possible parameters are either empty string (="all"), "all", "ram_disk", "ssd", "disk" or "archive" (caseless)



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