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https://issues.apache.org/jira/browse/MAPREDUCE-7320?focusedWorklogId=557946&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-557946
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ASF GitHub Bot logged work on MAPREDUCE-7320:
---------------------------------------------

                Author: ASF GitHub Bot
            Created on: 25/Feb/21 14:54
            Start Date: 25/Feb/21 14:54
    Worklog Time Spent: 10m 
      Work Description: amahussein commented on pull request #2722:
URL: https://github.com/apache/hadoop/pull/2722#issuecomment-785954763


   @jbrennan333 I made some changes to avoid using the global property.
   I think this current implementation looks more robust. Later it can be good 
to apply it to other unit tests.
   


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Issue Time Tracking
-------------------

    Worklog Id:     (was: 557946)
    Time Spent: 2h 10m  (was: 2h)

> ClusterMapReduceTestCase does not clean directories
> ---------------------------------------------------
>
>                 Key: MAPREDUCE-7320
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-7320
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>            Reporter: Ahmed Hussein
>            Assignee: Ahmed Hussein
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 2h 10m
>  Remaining Estimate: 0h
>
> Running Junits that extend {{ClusterMapReduceTestCase}} generate lots of 
> directories and folders without cleaning them up.
> For example:
> {code:bash}
> men test -Dtest=TestMRJobClient{code}
> generates the following directories:
> {code:bash}
> - target
>    -+ ConfigurableMiniMRCluster_315090884
>    -+ ConfigurableMiniMRCluster_1335188990
>    -+ ConfigurableMiniMRCluster_1973037511
>    -+ test-dir
>         -+ dfs
>         -+ hadopp-XYZ-01
>         -+ hadopp-XYZ-02 
>         -+ hadopp-XYZ-03
> {code}



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