[jira] [Created] (HDFS-13251) Avoid using hard coded datanode data dirs in unit tests

["Xiaoyu Yao (JIRA)" <ji...@apache.org>]

Xiaoyu Yao created HDFS-13251:
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             Summary: Avoid using hard coded datanode data dirs in unit tests
                 Key: HDFS-13251
                 URL: https://issues.apache.org/jira/browse/HDFS-13251
             Project: Hadoop HDFS
          Issue Type: Bug
          Components: test
            Reporter: Xiaoyu Yao
            Assignee: Ajay Kumar


There are a few unit tests that rely on hard-coded MiniDFSCluster data dir names.

 
 * TestDataNodeVolumeFailureToleration
 * TestDataNodeVolumeFailureReporting
 * TestDiskBalancerCommand
 * TestBlockStatsMXBean
 * TestDataNodeVolumeMetrics
 * TestDFSAdmin
 * TestDataNodeHotSwapVolumes
 * TestDataNodeVolumeFailure

This ticket is opened to use

{code} MiniDFSCluster#getInstanceStorageDir() \{code} instead of 
new File(cluster.getDataDirectory(), "data1");



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