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From "Todd Lipcon (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-4114) Deprecate the BackupNode and CheckpointNode in 2.0
Date Tue, 06 Nov 2012 00:04:17 GMT

    [ https://issues.apache.org/jira/browse/HDFS-4114?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13491061#comment-13491061
] 

Todd Lipcon commented on HDFS-4114:
-----------------------------------

bq. In federation, we wanted to use CheckpointNode for sharing a single checkpointer for all
the namenodes in a cluster, triggered based on crontab

My question is why that doesn't apply to the SecondaryNameNode just as well? The 2NN and the
CheckpointNode offer identical functionality, except that one has been battle-tested whereas
the other hasn't been run in production AFAIK.
                
> Deprecate the BackupNode and CheckpointNode in 2.0
> --------------------------------------------------
>
>                 Key: HDFS-4114
>                 URL: https://issues.apache.org/jira/browse/HDFS-4114
>             Project: Hadoop HDFS
>          Issue Type: Bug
>            Reporter: Eli Collins
>            Assignee: Eli Collins
>
> Per the thread on hdfs-dev@ (http://s.apache.org/tMT) let's remove the BackupNode and
CheckpointNode.

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