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From "Konstantin Shvachko (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-13848) Refactor NameNode failover proxy providers
Date Thu, 23 Aug 2018 00:51:00 GMT

     [ https://issues.apache.org/jira/browse/HDFS-13848?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Konstantin Shvachko updated HDFS-13848:
---------------------------------------
    Status: Patch Available  (was: Open)

The patch 
* unifies and moves common logic from {{Configured-}} and {{IP-FailoverProxyProviders}} into
{{AbstractNNFailoverProxyProvider}}
* removes inner class {{AddressRpcProxyPair<T>}}, which was specific for CFPP and replaced
it with {{ProxyInfo<T>}}
* Added address field to {{ProxyInfo<T>}}

> Refactor NameNode failover proxy providers
> ------------------------------------------
>
>                 Key: HDFS-13848
>                 URL: https://issues.apache.org/jira/browse/HDFS-13848
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: ha, hdfs-client
>    Affects Versions: 2.7.5
>            Reporter: Konstantin Shvachko
>            Assignee: Konstantin Shvachko
>            Priority: Major
>         Attachments: HDFS-13848.patch
>
>
> Looking at NN failover proxy providers in the context of HDFS-13782 I noticed that {{ConfiguredFailoverProxyProvider}}
and {{IPFailoverProxyProvider}} have a lot of common logic. We can move this common logic
into {{AbstractNNFailoverProxyProvider}}, which simplifies things a lot.



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