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Posted to hdfs-issues@hadoop.apache.org by "Ray Zhang (JIRA)" <ji...@apache.org> on 2015/03/09 06:46:38 UTC

[jira] [Updated] (HDFS-7702) Move metadata across namenode - Effort to a real distributed namenode

     [ https://issues.apache.org/jira/browse/HDFS-7702?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ray Zhang updated HDFS-7702:
----------------------------
    Attachment:     (was: DATABFDT-MetadataMovingToolDesignProposal-Efforttoarealdistributednamenode-050215-1415-202.pdf)

> 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 Zhang
>            Assignee: Ray Zhang
>         Attachments: Overflow+Table+Design+–+Record+Moved+Namespace+Locations.pdf
>
>
> 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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