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Posted to hdfs-issues@hadoop.apache.org by "dhruba borthakur (JIRA)" <ji...@apache.org> on 2010/02/14 12:00:28 UTC

[jira] Updated: (HDFS-976) Hot Standby for NameNode

     [ https://issues.apache.org/jira/browse/HDFS-976?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

dhruba borthakur updated HDFS-976:
----------------------------------

    Attachment: AvatarNode.patch
                AvatarNodeDescription.txt

A short writeup and code to implement a Hot failover for NameNode in hadoop 0.20. This code is by no means complete and extensive  testing is required before it can be deployed. It is developed purely as a contrib module so that the HA functionality is completely separated from the existing NameNode.

> Hot Standby for NameNode
> ------------------------
>
>                 Key: HDFS-976
>                 URL: https://issues.apache.org/jira/browse/HDFS-976
>             Project: Hadoop HDFS
>          Issue Type: New Feature
>          Components: name-node
>            Reporter: dhruba borthakur
>            Assignee: dhruba borthakur
>         Attachments: AvatarNode.patch, AvatarNodeDescription.txt
>
>
> This is a place holder to share our code and experiences about implementing a Hot Standby for the HDFS NameNode for hadoop 0.20. 

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