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From "Jason Lowe (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-3688) Namenode loses datanode hostname if datanode re-registers
Date Thu, 19 Jul 2012 21:51:35 GMT

    [ https://issues.apache.org/jira/browse/HDFS-3688?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13418704#comment-13418704

Jason Lowe commented on HDFS-3688:

Yes, ran into that as well when looking into this bug.  Thanks for pointing out the JIRA,
as it saves me from filing the duplicate. ;-)
> 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
> 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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