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From "Wang Xu (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HDFS-839) The NameNode should forward block reports to BackupNode
Date Wed, 13 Jan 2010 00:22:54 GMT

    [ https://issues.apache.org/jira/browse/HDFS-839?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12799490#action_12799490
] 

Wang Xu commented on HDFS-839:
------------------------------

Hello dhruba,

I am interesting in this work, and we did some similar job like this before
 http://gnawux.info/hadoop/2010/01/pratice-of-namenode-cluster-for-hdfs-ha/

Could you tell me the progress of this work and whether I could contribute
anything on this job.

Thank you!

Regards,
Wang Xu

> The NameNode should forward block reports to BackupNode
> -------------------------------------------------------
>
>                 Key: HDFS-839
>                 URL: https://issues.apache.org/jira/browse/HDFS-839
>             Project: Hadoop HDFS
>          Issue Type: New Feature
>          Components: name-node
>            Reporter: dhruba borthakur
>            Assignee: dhruba borthakur
>
> The BackupNode (via HADOOP-4539) receives a stream of transactions from NameNode. However,
the BackupNode does not have block locations of blocks. It would be nice if the NameNode can
forward all block reports (that it receives from DataNodes) to the BackupNode.

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