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https://issues.apache.org/jira/browse/HDFS-14593?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16876993#comment-16876993
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Ayush Saxena commented on HDFS-14593:
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Well, Personally I think, Not displaying but still holding it in the state
store can be eliminated , and we can remove it out after waiting a considerable
amount of time(Keeping the default to be never).
The only thing that hits me is that, Doesn't the dead DN also stays in the NN
UI for indefinite period? if we don't restart NN I guess so. So does that
bother having it up.
Well, anyway if I have to give a opinion I little inclined towards having this
change, rather than not having, It won't hurt us in anyway and Takanobu already
has a Use case for this I think?
[~tasanuma] [~elgoiri] your opinions on this?
> RBF: RouterAdmin should be able to remove expired routers from Routers
> Information
> ----------------------------------------------------------------------------------
>
> Key: HDFS-14593
> URL: https://issues.apache.org/jira/browse/HDFS-14593
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: rbf
> Reporter: Takanobu Asanuma
> Assignee: Takanobu Asanuma
> Priority: Major
> Attachments: HDFS-14593.001.patch, HDFS-14593.002.patch
>
>
> Currently, any router seems to exist in the Router Information eternally.
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