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https://issues.apache.org/jira/browse/HDFS-7702?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14306216#comment-14306216
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Zhe Zhang commented on HDFS-7702:
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Thanks [~raviprak] for clarifying. It does sound like a very good extension to
federation. [~xiyunyue] Maybe the JIRA title and description should be updated
to refer to federation? HDFS-7737 is currently named "Implement distributed
namenode".
> Move metadata across namenode - Effort to a real distributed namenode
> ---------------------------------------------------------------------
>
> Key: HDFS-7702
> URL: https://issues.apache.org/jira/browse/HDFS-7702
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Reporter: Ray
> Assignee: Ray
>
> Implement a tool can show in memory namespace tree structure with
> weight(size) and a API can move metadata across different namenode. The
> purpose is moving data efficiently and faster, without moving blocks on
> datanode.
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