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https://issues.apache.org/jira/browse/HDFS-13782?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16593789#comment-16593789
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Erik Krogen commented on HDFS-13782:
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{quote}
{{ObserverReadProxyProvider}} is not tied to CFPP, rather it uses CFPP by 
default. I did add {{ObserverReadProxyProviderWithIPFailover}}, but I think 
that most people use CFPP, so it seems natural to default ORPP to CFPP for 
failover, rather than creating an extra class.
Don't like adding another config parameter - it is really not necessary.
{quote}
Fair points, thanks for addressing my concerns!

> ObserverReadProxyProvider should work with IPFailoverProxyProvider
> ------------------------------------------------------------------
>
>                 Key: HDFS-13782
>                 URL: https://issues.apache.org/jira/browse/HDFS-13782
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: test
>            Reporter: Konstantin Shvachko
>            Assignee: Konstantin Shvachko
>            Priority: Major
>             Fix For: HDFS-12943
>
>         Attachments: HDFS-13782-HDFS-12943.001.patch, 
> HDFS-13782-HDFS-12943.002.patch
>
>
> Currently {{ObserverReadProxyProvider}} is based on 
> {{ConfiguredFailoverProxyProvider}}. We should also be able perform SBN reads 
> in case of {{IPFailoverProxyProvider}}.



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