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https://issues.apache.org/jira/browse/HDFS-8209?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14513119#comment-14513119
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surendra singh lilhore commented on HDFS-8209:
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[~szetszwo] Thanks for reviewing. I think this assert condition is not working
and I am not getting why. When I got {{ArrayIndexOutOfBoundsException}} that
time *storageTypes.length* is 1 and *storagesPerDatanode* is 2 but assert
condition didn't failed. I have submitted the patch, we will see the test
result here.
> 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
> Attachments: HDFS-8209.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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