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https://issues.apache.org/jira/browse/KNOX-1167?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Work on KNOX-1167 started by Phil Zampino.
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> Support HDFS Federation in Knox topologies
> ------------------------------------------
>
>                 Key: KNOX-1167
>                 URL: https://issues.apache.org/jira/browse/KNOX-1167
>             Project: Apache Knox
>          Issue Type: Bug
>          Components: Server
>    Affects Versions: 0.14.0, 1.0.0
>            Reporter: Phil Zampino
>            Assignee: Phil Zampino
>            Priority: Major
>             Fix For: 1.1.0
>
>
> In HDP 3, there will be support for multiple NameNode clusters (HDFS 
> Federation), qualified by disitinct namespaces, in a single Hadoop cluster.
> Knox needs to provide the ability to distinguish these NN clusters in its 
> topologies for proxying WEBHDFS; the most practical means is a service 
> parameter.
> The behavior for the following needs to be defined:
>  * Given multiple NN clusters, and a descriptor which does not specify such a 
> namespace; which NN cluster will be chosen at discovery-time?
>  
> [https://hadoop.apache.org/docs/r2.7.2/hadoop-project-dist/hadoop-hdfs/Federation.html#Configuration:]



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