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https://issues.apache.org/jira/browse/HDFS-8241?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14514487#comment-14514487
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Sanjay Radia commented on HDFS-8241:
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Yes it was unfortunate that this incompatibility was missed.
Q. do folks feel that a startup -finalize option to NN is a good interface in
ADDITION to admin command to finalize?
Clearly we needs the admin command to finalize since one does not want to
restart the NN to finalize.
> Remove unused Namenode startup option "FINALIZE"
> -------------------------------------------------
>
> Key: HDFS-8241
> URL: https://issues.apache.org/jira/browse/HDFS-8241
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: namenode
> Affects Versions: 2.7.0
> Reporter: Brahma Reddy Battula
> Assignee: Brahma Reddy Battula
> Attachments: HDFS-8241.patch
>
>
> Command : hdfs namenode -finalize
> 15/04/24 22:26:23 INFO namenode.NameNode: createNameNode [-finalize]
> *Use of the argument 'FINALIZE' is no longer supported.* To finalize an
> upgrade, start the NN and then run `hdfs dfsadmin -finalizeUpgrade'
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