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https://issues.apache.org/jira/browse/HDFS-15631?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17214197#comment-17214197
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Ayush Saxena commented on HDFS-15631:
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Are the datanodes shared amongst the cluster. I guess the API assumption is
like, It doesn't expect the Datanodes to be shared.
What is the proposed fix, you can't just explicitly divide by number of
namespaces. calling getDatanodeReport and figuring out the stuff, is costly and
if some Datanodes are shared and some aren't then that would be a mess.
> 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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