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Posted to common-dev@hadoop.apache.org by "Enis Soztutar (JIRA)" <ji...@apache.org> on 2007/07/23 09:00:35 UTC
[jira] Commented: (HADOOP-1604) admins should be able to finalize
namenode upgrades without running the cluster
[ https://issues.apache.org/jira/browse/HADOOP-1604?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12514576 ]
Enis Soztutar commented on HADOOP-1604:
---------------------------------------
A funny mistake, but once we have somehow "forgotten" to finalize the upgrade from 0.9 to 0.13. We haven't realized this until DFS grew to use all the disk space (because of the previous directories) . So it would be really informative, if the UI and the command line logs show that the dfs is in the status of upgrading, and it should the finalized, similar to the safety-mode messages.
> 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: Critical
> 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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