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Posted to dev@knox.apache.org by "Phil Zampino (JIRA)" <ji...@apache.org> on 2018/02/19 20:50:00 UTC
[jira] [Work started] (KNOX-1167) Support HDFS Federation in Knox
topologies
[ https://issues.apache.org/jira/browse/KNOX-1167?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
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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