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From "Chao Sun (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-12976) Introduce StandbyReadProxyProvider
Date Sat, 02 Jun 2018 05:20:00 GMT

    [ https://issues.apache.org/jira/browse/HDFS-12976?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16498885#comment-16498885
] 

Chao Sun commented on HDFS-12976:
---------------------------------

Sorry for the slow progress on this - I posted a WIP patch which still has many rough edges.
In particular, I'll split the configuration ({{dfs.client.observer.read.enabled}}) and the
retry logic into separate JIRAs. 

Also I named the new proxy {{ObserverReadProxyProvider}}. Let me know if there's any objection.
:)

> Introduce StandbyReadProxyProvider
> ----------------------------------
>
>                 Key: HDFS-12976
>                 URL: https://issues.apache.org/jira/browse/HDFS-12976
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: hdfs-client
>            Reporter: Konstantin Shvachko
>            Assignee: Chao Sun
>            Priority: Major
>         Attachments: HDFS-12976.WIP.patch
>
>
> {{StandbyReadProxyProvider}} should implement {{FailoverProxyProvider}} interface and
be able to submit read requests to ANN and SBN(s).



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