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From "Konstantin Shvachko (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HDFS-1145) When NameNode is shutdown it tries to exit safemode
Date Thu, 20 May 2010 01:07:54 GMT

    [ https://issues.apache.org/jira/browse/HDFS-1145?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12869440#action_12869440

Konstantin Shvachko commented on HDFS-1145:

+1. Looks good.
        ~Don't see errors in the log message.~

> When NameNode is shutdown it tries to exit safemode
> ---------------------------------------------------
>                 Key: HDFS-1145
>                 URL: https://issues.apache.org/jira/browse/HDFS-1145
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: name-node
>            Reporter: dhruba borthakur
>            Assignee: dhruba borthakur
>         Attachments: NNsafemodeMonitor.txt, NNsafemodeMonitor.txt
> Suppose the NameNode is in safemode. Then we try to shuut it down by invoking NameNode.stop().
The stop() method interrupts all waiting threads, which in turn, causes the SafeMode monitor
to exit and thus triggering replicating/deleting of blocks.

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