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From "Joep Rottinghuis (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-5123) Hftp should support namenode logical service names in URI
Date Fri, 20 Sep 2013 20:22:54 GMT

    [ https://issues.apache.org/jira/browse/HDFS-5123?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13773371#comment-13773371
] 

Joep Rottinghuis commented on HDFS-5123:
----------------------------------------

[~andrew.wang] saw your comment in HDFS-5221.
Seems approach 1) is great, but not enough to solve ability to copy Hadoop 1.x cluster to
a Hadoop 2.x cluster. For that we need approach 2).
                
> Hftp should support namenode logical service names in URI
> ---------------------------------------------------------
>
>                 Key: HDFS-5123
>                 URL: https://issues.apache.org/jira/browse/HDFS-5123
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: ha
>    Affects Versions: 2.1.0-beta
>            Reporter: Arpit Gupta
>
> For example if the dfs.nameservices is set to arpit
> {code}
> hdfs dfs -ls hftp://arpit:50070/tmp
> or 
> hdfs dfs -ls hftp://arpit/tmp
> {code}
> does not work
> You have to provide the exact active namenode hostname. On an HA cluster using dfs client
one should not need to provide the active nn hostname

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