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https://issues.apache.org/jira/browse/HDFS-9355?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Surendra Singh Lilhore updated HDFS-9355:
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Attachment: HDFS-9355.001.patch
> Add client API to get Datanode list based on storage type
> ---------------------------------------------------------
>
> Key: HDFS-9355
> URL: https://issues.apache.org/jira/browse/HDFS-9355
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: hdfs-client
> Reporter: Surendra Singh Lilhore
> Assignee: Surendra Singh Lilhore
> Attachments: HDFS-9355.001.patch
>
>
> HDFS-2576 give option to hint namenode about favored nodes, but in
> heterogeneous cluster this will not work out. Suppose client wants to write
> his data in directory which have COLD policy, but he don't know which DN have
> ARCHIVE storage, So he will not able to give favoredNodes list.
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