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https://issues.apache.org/jira/browse/HDFS-15757?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17275698#comment-17275698
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Íñigo Goiri commented on HDFS-15757:
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The PR looks good, do you mind providing the final data?
I would like to have data comparing the average case and a couple corner cases 
(very unfrequent requests and very frequent requests).

> RBF: Improving Router Connection Management
> -------------------------------------------
>
>                 Key: HDFS-15757
>                 URL: https://issues.apache.org/jira/browse/HDFS-15757
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: rbf
>            Reporter: Fengnan Li
>            Assignee: Fengnan Li
>            Priority: Major
>              Labels: pull-request-available
>         Attachments: RBF_ Improving Router Connection Management_v2.pdf, RBF_ 
> Router Connection Management.pdf
>
>          Time Spent: 1h 10m
>  Remaining Estimate: 0h
>
> We have seen high number of connections from Router to namenodes, leaving 
> namenodes unstable.
> This ticket is trying to reduce connections through some changes. Please take 
> a look at the design and leave comments. 
> Thanks!



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