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https://issues.apache.org/jira/browse/HDFS-6878?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14103407#comment-14103407
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Tsz Wo Nicholas Sze commented on HDFS-6878:
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I think we need a two dimension array for storageTypes. Otherwise, all
datanodes must have the same directory storage type layout. We cannot test the
some cases such as
- 5 datanode cluster: one has only DISK storage, one has only ARCHiVE storage
and the rest 3 has combination of DISK and ARCHIVE storage.
> Change MiniDFSCluster to support StorageType configuration for individual
> directories
> -------------------------------------------------------------------------------------
>
> Key: HDFS-6878
> URL: https://issues.apache.org/jira/browse/HDFS-6878
> Project: Hadoop HDFS
> Issue Type: Test
> Components: test
> Reporter: Tsz Wo Nicholas Sze
> Assignee: Arpit Agarwal
> Priority: Minor
> Attachments: HDFS-6878.01.patch
>
>
> Currently, MiniDFSCluster only supports a single StorageType configuration
> for all datadnodes, i.e. setting all directories in all datanodes to one
> StorageType. It should support setting individual StorageType for each
> directory in each datanode.
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