[GitHub] spark pull request #20864: [SPARK-23745][SQL]Remove the directories of the �...

[zuotingbing]

GitHub user zuotingbing opened a pull request:

    https://github.com/apache/spark/pull/20864

    [SPARK-23745][SQL]Remove the directories of the 
“hive.downloaded.resources.dir” when HiveThriftServer2 stopped

    
    ## What changes were proposed in this pull request?
    
    
![2018-03-20_164832](https://user-images.githubusercontent.com/24823338/37647937-871ff346-2c68-11e8-9ca4-1b3ebb291530.png)
    
    when start the HiveThriftServer2, we create some  directories for 
hive.downloaded.resources.dir, but when stop the HiveThriftServer2 we do not 
remove these directories.The directories could accumulate a lot.
    
    ## How was this patch tested?
    
    manual tests
    
    
    Please review http://spark.apache.org/contributing.html before opening a 
pull request.


You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/zuotingbing/spark SPARK-23745

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/spark/pull/20864.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #20864
    
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