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https://issues.apache.org/jira/browse/MAPREDUCE-7320?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17286079#comment-17286079
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Ahmed Hussein commented on MAPREDUCE-7320:
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This fix is cleaning up the clusters directories after finishing the unit tests.
* It touches {{MiniYARNCluster.java}} in order to change the base dir to
{{target/test-dir/$TEST_CLASS_NAME}}
* test classes affected
** TestMRJobClient,
** TestStreamingBadRecords,
** TestClusterMapReduceTestCase,
** TestBadRecords.
** TestMRCJCJobClient,
** TestJobName
I tested the TestUnits that use {{MiniYARNCluster.java}} such as:
{code:bash}
Class
MiniYARNCluster
TestOSSMiniYarnCluster (3 usages found)
TestMRTimelineEventHandling (4 usages found)
TestJobHistoryEventHandler (3 usages found)
TestHadoopArchiveLogs (3 usages found)
TestHadoopArchiveLogsRunner (3 usages found)
TestDynamometerInfra (3 usages found)
TestDSTimelineV10
TestDSTimelineV20
TestDSTimelineV15
TestUnmanagedAMLauncher (3 usages found)
TestApplicationMasterServiceProtocolForTimelineV2
TestFederationRMFailoverProxyProvider (3 usages found)
TestHedgingRequestRMFailoverProxyProvider (4 usages found)
TestNoHaRMFailoverProxyProvider (5 usages found)
TestRMFailover (4 usages found)
TestAMRMClient
TestAMRMClientPlacementConstraints
TestAMRMProxy (5 usages found)
TestNMClient (3 usages found)
TestOpportunisticContainerAllocationE2E (3 usages found)
TestYarnClient (3 usages found)
TestYarnClientWithReservation (12 usages found)
TestYarnCLI (7 usages found)
TestContainerManagerSecurity (2 usages found)
TestDiskFailures (2 usages found)
TestMiniYarnCluster (9 usages found)
TestMiniYARNClusterForHA (2 usages found)
TestMiniYarnClusterNodeUtilization (3 usages found)
{code}
> 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: 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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