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Posted to hdfs-issues@hadoop.apache.org by "Ray (JIRA)" <ji...@apache.org> on 2015/01/29 20:56:34 UTC

[jira] [Commented] (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:comment-tabpanel&focusedCommentId=14297455#comment-14297455 ] 

Ray commented on HDFS-7702:
---------------------------

Wrote a draft proposal.
https://cwiki.apache.org/confluence/display/FLINK/Metadata+Moving+Tool+Design+Proposal+-+Effort+to+a+real+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: New Feature
>            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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