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From "Jason Lowe (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-3688) Namenode loses datanode hostname if datanode re-registers
Date Fri, 20 Jul 2012 16:35:35 GMT

     [ https://issues.apache.org/jira/browse/HDFS-3688?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jason Lowe updated HDFS-3688:
-----------------------------

    Status: Patch Available  (was: Open)
    
> Namenode loses datanode hostname if datanode re-registers
> ---------------------------------------------------------
>
>                 Key: HDFS-3688
>                 URL: https://issues.apache.org/jira/browse/HDFS-3688
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: data-node
>    Affects Versions: 0.23.3
>            Reporter: Jason Lowe
>         Attachments: HDFS-3688.patch
>
>
> If a datanode ever re-registers with the namenode (e.g.: namenode restart, temporary
network cut, etc.) then the datanode ends up registering with an IP address as the datanode
name rather than the hostname.

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