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From "W S Chung (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-976) Hot Standby for NameNode
Date Tue, 28 Jun 2011 19:53:17 GMT

    [ https://issues.apache.org/jira/browse/HDFS-976?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13056723#comment-13056723

W S Chung commented on HDFS-976:

I try applying the patch AvatarNode.20.patch against the current stable release
I also get the compilation error that FSImage does not have the saveNamespace() method. Which
version of 0.20 should I be apply the patch against?

> 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: Dmytro Molkov
>         Attachments: 0001-0.20.3_rc2-AvatarNode.patch, AvatarNode.20.patch, AvatarNode.patch,
AvatarNodeDescription.txt, AvatarPatch.2.patch
> 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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