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https://issues.apache.org/jira/browse/HDFS-15631?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17214364#comment-17214364
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Shen Yinjie commented on HDFS-15631:
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Yes，all the datanodes are shared. As I know, mixed cluster with federation and
independent cluster is also allowed in RBF. I take a simple fix: when calling
getStats() API , remove duplicate FederationNamespaceInfo by clusterId, then
invoke and merge in the same way as before.
> dfsadmin -report with RBF returns multiple capacity and used info
> -----------------------------------------------------------------
>
> Key: HDFS-15631
> URL: https://issues.apache.org/jira/browse/HDFS-15631
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: rbf
> Affects Versions: 3.0.1
> Reporter: Shen Yinjie
> Assignee: Shen Yinjie
> Priority: Major
>
> When RBF enabled,we execute `hdfs dfsadmin -report` with RBF ns, the return
> capacity is a multiple of the number of nss
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