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https://issues.apache.org/jira/browse/HDFS-13856?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16728107#comment-16728107
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Fei Hui commented on HDFS-13856:
--------------------------------

[~elgoiri] Upload v002 patch
* remove the extra line in the imports of RouterAdmin.
* remove the semi colon In RouterAdmin#970
* void last line change in RouterAdmin
* Add this to the documentation
{quote}
Kind of weird the way genericRefresh shows the error in the finally. One could 
also do the returns directly without storing it in returnCode.
{quote}
I found that it 's the same as DFSAdmin.java. I guess this feature is from 
DFSAdmin.


> RBF: RouterAdmin should support dfsrouteradmin -refresh command
> ---------------------------------------------------------------
>
>                 Key: HDFS-13856
>                 URL: https://issues.apache.org/jira/browse/HDFS-13856
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: federation, hdfs
>    Affects Versions: 3.0.0, 3.1.0, 2.9.1
>            Reporter: yanghuafeng
>            Assignee: yanghuafeng
>            Priority: Major
>         Attachments: HDFS-13856-HDFS-13891.001.patch, 
> HDFS-13856-HDFS-13891.002.patch, HDFS-13856.001.patch, HDFS-13856.002.patch
>
>
> Like namenode router should support refresh policy individually. For example, 
> we have implemented simple password authentication per rpc connection. The 
> password dict can be refreshed by generic refresh policy. We also want to 
> support this in RouterAdminServer. 



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