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  1. Hadoop HDFS
  2. HDFS-8209

Support different number of datanode directories in MiniDFSCluster.

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Details

    • Improvement
    • Status: Resolved
    • Minor
    • Resolution: Fixed
    • 2.6.0
    • 2.8.0, 3.0.0-alpha1
    • test
    • None
    • Reviewed

    Description

      I want to create MiniDFSCluster with 2 datanode and for each datanode I want to set different number of StorageTypes, but in this case I am getting ArrayIndexOutOfBoundsException.

      My cluster schema is like this.

      final MiniDFSCluster cluster = new MiniDFSCluster.Builder(conf)
      				.numDataNodes(2)
      				.storageTypes(new StorageType[][] {{ StorageType.DISK, StorageType.ARCHIVE },{ StorageType.DISK } })
      				.build();
      

      Exception :

      java.lang.ArrayIndexOutOfBoundsException: 1
      	at org.apache.hadoop.hdfs.MiniDFSCluster.makeDataNodeDirs(MiniDFSCluster.java:1218)
      	at org.apache.hadoop.hdfs.MiniDFSCluster.startDataNodes(MiniDFSCluster.java:1402)
      	at org.apache.hadoop.hdfs.MiniDFSCluster.initMiniDFSCluster(MiniDFSCluster.java:832)
      

      Attachments

        1. HDFS-8209_1.patch
          4 kB
          Surendra Singh Lilhore
        2. HDFS-8209.patch
          4 kB
          Surendra Singh Lilhore

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            surendralilhore Surendra Singh Lilhore Assign to me
            surendralilhore Surendra Singh Lilhore
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              Updated:
              Resolved:

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