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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:
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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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