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https://issues.apache.org/jira/browse/HDFS-8241?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14512716#comment-14512716
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Konstantin Shvachko commented on HDFS-8241:
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> I'm astounded as to how many people were watching that JIRA and still thought 
> it was OK

Well, not everybody, but Aaron seemed quite confident about changing startup 
options and their semantics.

> 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
>
> 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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