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From "Allen Wittenauer (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-2231) Configuration changes for HA namenode
Date Fri, 05 Aug 2011 23:14:27 GMT

    [ https://issues.apache.org/jira/browse/HDFS-2231?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13080286#comment-13080286
] 

Allen Wittenauer commented on HDFS-2231:
----------------------------------------

bq. To discover NNStandbyAddress clients and datanode may try NNAddress1 and NNAddress2 or
use mechanism such as Zookeeper.

Why?  Shouldn't they only care about the VIP in a real HA scenario?  What is the value of
the VIP if clients are going to be aware of and try both addresses anyway?  

> Configuration changes for HA namenode
> -------------------------------------
>
>                 Key: HDFS-2231
>                 URL: https://issues.apache.org/jira/browse/HDFS-2231
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: Suresh Srinivas
>            Assignee: Suresh Srinivas
>             Fix For: HA branch (HDFS-1623)
>
>
> This jira tracks the changes required for configuring HA setup for namenodes.

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