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Posted to hdfs-issues@hadoop.apache.org by "W S Chung (JIRA)" <ji...@apache.org> on 2011/06/28 21:53:17 UTC

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

    [ 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 0.20.203.0. 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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