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https://issues.apache.org/jira/browse/HDFS-3237?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Eli Collins resolved HDFS-3237.
-------------------------------
Resolution: Won't Fix
We rely on the current structure - DatanodeDescriptor extends DataNodeInfo
extends DatanodeID - in a lot of places. This requires more surgery than is
probably worthwhile.
> DatanodeInfo should have a DatanodeID rather than extend it
> -----------------------------------------------------------
>
> Key: HDFS-3237
> URL: https://issues.apache.org/jira/browse/HDFS-3237
> Project: Hadoop HDFS
> Issue Type: Improvement
> Reporter: Eli Collins
> Assignee: Eli Collins
> Priority: Minor
>
> DatanodeInfo currently extends DatanodeID, the code would be more clear if it
> had a DatanodeID member instead, as DatanodeInfo is private within the server
> side and DatanodeID is passed to clients.
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