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https://issues.apache.org/jira/browse/HDFS-5000?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14517999#comment-14517999
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Lars Francke commented on HDFS-5000:
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I know this is an old issue but has this been documented _anywhere_? I can't
find any information on how to actually use the feature (i.e. on how to "tag"
storages with their type). I had to read the patch.
> DataNode configuration should allow specifying storage type
> -----------------------------------------------------------
>
> Key: HDFS-5000
> URL: https://issues.apache.org/jira/browse/HDFS-5000
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: datanode
> Affects Versions: 3.0.0
> Reporter: Arpit Agarwal
> Assignee: Arpit Agarwal
> Fix For: Heterogeneous Storage (HDFS-2832)
>
> Attachments: HDFS-5000.001.patch, h5000.02.patch, h5000.03.patch,
> h5000.04.patch
>
>
> The DataNode configuration should allow the administrator to optionally
> specify the storage type for each storage directory.
> The DataNode should send the storage type with the block report.
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