rakeshadr opened a new pull request #895:
URL: https://github.com/apache/hadoop-ozone/pull/895


   ## What changes were proposed in this pull request?
   
   This Jira proposes to add a functionality to freon tool to create 
directories in tree structure. 
   
   **Proposed structure:**
     /*
         Nested directories will be created like this,
         suppose you pass depth=3, span=3 and number of tests=2
   
         Directory Structure:-
                               |-- Dir111
                               |
                   |-- Dir11 --|-- Dir112
                   |           |
                   |           |-- Dir113
                   |
                   |
                   |           |-- Dir121
                   |           |
          Dir1   --|-- Dir12 --|-- Dir122
                   |           |
                   |           |-- Dir123
                   |
                   |
                   |           |-- Dir131
                   |           |
                   |-- Dir13 --|-- Dir132
                               |
                               |-- Dir133
   
        In each directory 'c' number of files to be written in each directory 
with file size 'g' will be created.
      */
   
   This is basically useful to determine the performance evaluation of ozone, 
when creating defined number of nested directories and also create given number 
of files into each directory.
   
   ## What is the link to the Apache JIRA
   
   https://issues.apache.org/jira/browse/HDDS-3518
   
   ## How was this patch tested?
   
   Added unit test case..
   


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