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https://issues.apache.org/jira/browse/HDFS-13219?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16399738#comment-16399738
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maobaolong commented on HDFS-13219:
-----------------------------------
Maybe we can see something wrong from the following wrong:
- ns1-nn1-datanode
!screenshot-4.png!
ns10-nn20-datanode
!screenshot-5.png!
- ns-fed-r1-overview
!screenshot-3.png!
- ns-fed-r1-subcluster
!screenshot-2.png!
- ns-fed-r1-datanode
!screenshot-1.png!
We can see something wrong:
* Router overview page should not display the live datanode to 8, because we
have 4 datanode in all.
* Router datanode page should not display the ns1's datanode information,
because we have 2 ns (ns1 and ns10).
[~linyiqun] [~elgoiri], Please take a look at this issue, maybe we should
discuss for it.
> RBF: Cluster information on Router is not correct when the Federation shares
> datanodes
> --------------------------------------------------------------------------------------
>
> Key: HDFS-13219
> URL: https://issues.apache.org/jira/browse/HDFS-13219
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Affects Versions: 2.9.0
> Reporter: Tao Jie
> Priority: Major
> Attachments: screenshot-1.png, screenshot-2.png, screenshot-3.png,
> screenshot-4.png, screenshot-5.png
>
>
> Now summary information on Router website aggregates summary of each
> nameservice. However in a typical federation cluster deployment, datanodes
> are shared among nameservices. Consider we have 2 namespaces and 100
> datanodes in one cluster. 100 datanodes are available for each namespace, but
> we see 200 datanodes on the router website. So does other information such as
> {{Total capacity}}, {{Remaining capacity}}.
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