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From "Konstantin Shvachko (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-1604) admins should be able to finalize namenode upgrades without running the cluster
Date Wed, 18 Jul 2007 00:34:04 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-1604?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Konstantin Shvachko updated HADOOP-1604:
----------------------------------------

    Issue Type: New Feature  (was: Bug)

I agree it would be useful to have -finalize option for the name-node startup.
This is a new feature. Not a bug. Do we have feature freeze in progress for 0.14 already?

> admins should be able to finalize namenode upgrades without running the cluster
> -------------------------------------------------------------------------------
>
>                 Key: HADOOP-1604
>                 URL: https://issues.apache.org/jira/browse/HADOOP-1604
>             Project: Hadoop
>          Issue Type: New Feature
>          Components: dfs
>    Affects Versions: 0.14.0
>            Reporter: Owen O'Malley
>            Assignee: Konstantin Shvachko
>            Priority: Blocker
>             Fix For: 0.14.0
>
>
> Currently a HDFS cluster must be running in order to finalize an upgrade, but if you
shut down without finalizing the new software won't start up. I propose a command line option
to the namenode that lets you finalize an upgrade with the cluster down.
> {code}
> % bin/hadoop namenode -finalize
> {code}

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