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From "surendra singh lilhore (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-8209) Support different number of datanode directories in MiniDFSCluster.
Date Thu, 07 May 2015 11:58:00 GMT

    [ https://issues.apache.org/jira/browse/HDFS-8209?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14532507#comment-14532507
] 

surendra singh lilhore commented on HDFS-8209:
----------------------------------------------

Failed test case and checkstyle is not related to this patch.

> Support different number of datanode directories in MiniDFSCluster.
> -------------------------------------------------------------------
>
>                 Key: HDFS-8209
>                 URL: https://issues.apache.org/jira/browse/HDFS-8209
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: test
>    Affects Versions: 2.6.0
>            Reporter: surendra singh lilhore
>            Assignee: surendra singh lilhore
>            Priority: Minor
>              Labels: BB2015-05-TBR
>         Attachments: HDFS-8209.patch, HDFS-8209_1.patch
>
>
> 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.
> {code}
> final MiniDFSCluster cluster = new MiniDFSCluster.Builder(conf)
> 				.numDataNodes(2)
> 				.storageTypes(new StorageType[][] {{ StorageType.DISK, StorageType.ARCHIVE },{ StorageType.DISK
} })
> 				.build();
> {code}
> *Exception* :
> {code}
> 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)
> {code}



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