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https://issues.apache.org/jira/browse/HDFS-2885?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13280309#comment-13280309
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Tsz Wo (Nicholas), SZE commented on HDFS-2885:
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Eli, thanks for reviewing and committing this!
> Remove "federation" from the nameservice config options
> -------------------------------------------------------
>
> Key: HDFS-2885
> URL: https://issues.apache.org/jira/browse/HDFS-2885
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: name-node
> Affects Versions: 0.23.1
> Reporter: Eli Collins
> Assignee: Tsz Wo (Nicholas), SZE
> Fix For: 2.0.1
>
> Attachments: h2885_20120518.patch, h2885_20120518b.patch
>
>
> HDFS-1623, and potentially other HDFS features will use the nameservice
> abstraction, even if federation is not enabled (eg you need to configure
> {{dfs.federation.nameservices}} in HA even if you're not using federation
> just to declare your nameservice). This is confusing to users. We should
> consider deprecating and removing "federation" from the
> {{dfs.federation.nameservices}} and {{dfs.federation.nameservice.id}} config
> options, as {{dfs.nameservices}} and {{dfs.nameservice.id}} are more
> intuitive.
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