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https://issues.apache.org/jira/browse/HDFS-6572?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14044974#comment-14044974
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Charles Lamb commented on HDFS-6572:
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Thanks for the review [~cnauroth].
The intent was to put this in fs-encryption and then let it percolate to the
trunk, but if you would like it in the trunk sooner, feel free to commit it at
your leisure.
> Add an option to the NameNode that prints the software and on-disk image
> versions
> ---------------------------------------------------------------------------------
>
> Key: HDFS-6572
> URL: https://issues.apache.org/jira/browse/HDFS-6572
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: namenode
> Reporter: Charles Lamb
> Assignee: Charles Lamb
> Priority: Minor
> Attachments: HDFS-6572.001.patch, HDFS-6572.002.patch
>
>
> The HDFS namenode should have a startup option that prints the metadata
> versions of both the software and the on-disk version. This will be useful
> for debugging certain situations.
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