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From "Boris Shkolnik (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HDFS-1722) HDFS Federation: Add flag to MiniDFSCluster to differentiate between two different modes-Federation and not.
Date Fri, 04 Mar 2011 01:35:36 GMT

    [ https://issues.apache.org/jira/browse/HDFS-1722?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13002388#comment-13002388
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Boris Shkolnik commented on HDFS-1722:
--------------------------------------

without a flag MiniDFScluster will try to figure it by itself - if number of namenodes is
1, then it is a classical case, if > 1, then it is Federation.

Federation flag is needed when you create cluster with 1 NameNode but plan to add more later.

> HDFS Federation: Add flag to MiniDFSCluster to differentiate between two different modes-Federation
and not. 
> -------------------------------------------------------------------------------------------------------------
>
>                 Key: HDFS-1722
>                 URL: https://issues.apache.org/jira/browse/HDFS-1722
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: name-node
>            Reporter: Boris Shkolnik
>            Assignee: Boris Shkolnik
>         Attachments: HDFS-1722.patch, HDFS-1722.patch
>
>


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