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From "dhruba borthakur (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-1623) High Availability Framework for HDFS NN
Date Wed, 15 Feb 2012 17:31:10 GMT

    [ https://issues.apache.org/jira/browse/HDFS-1623?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13208599#comment-13208599
] 

dhruba borthakur commented on HDFS-1623:
----------------------------------------

> I think for the first cut we should disallow the NN to start with HA enabled if the upgrade
flag is passed, or if there is a pending unfinalized upgrade.

sounds like a fine thing to do, in the interest of making HA be part of apache hdfs trunk
sooner rather than later.
                
> High Availability Framework for HDFS NN
> ---------------------------------------
>
>                 Key: HDFS-1623
>                 URL: https://issues.apache.org/jira/browse/HDFS-1623
>             Project: Hadoop HDFS
>          Issue Type: New Feature
>            Reporter: Sanjay Radia
>            Assignee: Sanjay Radia
>         Attachments: HA-tests.pdf, HDFS-High-Availability.pdf, NameNode HA_v2.pdf, NameNode
HA_v2_1.pdf, Namenode HA Framework.pdf, ha-testplan.pdf, ha-testplan.tex
>
>


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