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Posted to hdfs-issues@hadoop.apache.org by "Ajay Kumar (JIRA)" <ji...@apache.org> on 2017/09/11 23:43:00 UTC
[jira] [Work stopped] (HDFS-12420) Disable Namenode format when
data already exist
[ https://issues.apache.org/jira/browse/HDFS-12420?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Work on HDFS-12420 stopped by Ajay Kumar.
-----------------------------------------
> Disable Namenode format when data already exist
> -----------------------------------------------
>
> Key: HDFS-12420
> URL: https://issues.apache.org/jira/browse/HDFS-12420
> Project: Hadoop HDFS
> Issue Type: Improvement
> Reporter: Ajay Kumar
> Assignee: Ajay Kumar
> Attachments: HDFS-12420.01.patch
>
>
> Disable NameNode format to avoid accidental formatting of Namenode in production cluster. If someone really wants to delete the complete fsImage they can first delete the metadata dir and then run {code} hdfs namenode -format{code} manually.
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