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From "dhruba borthakur (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HDFS-1593) Allow a datanode to copy a block to a datanode on a foreign HDFS cluster.
Date Mon, 24 Jan 2011 08:06:47 GMT

     [ https://issues.apache.org/jira/browse/HDFS-1593?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

dhruba borthakur updated HDFS-1593:
-----------------------------------

    Attachment: copyBlockTrunk1.txt

This patch is useful for HighTide because it can be used to transfer a block from a datanode
in one cluster directly to another datanode in another cluster. 
Patch also available at : http://reviews.apache.org/r/346/

> Allow a datanode to copy a block to a datanode on a foreign HDFS cluster.
> -------------------------------------------------------------------------
>
>                 Key: HDFS-1593
>                 URL: https://issues.apache.org/jira/browse/HDFS-1593
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: dhruba borthakur
>            Assignee: dhruba borthakur
>         Attachments: copyBlockTrunk1.txt
>
>
> This patch introduces an RPC to the datanode to allow it to copy a block to a datanode
on a remote HDFS cluster.

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