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From "dhruba borthakur (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HDFS-1145) When NameNode is shutdown it tries to exit safemode
Date Fri, 14 May 2010 17:42:44 GMT

    [ https://issues.apache.org/jira/browse/HDFS-1145?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12867588#action_12867588
] 

dhruba borthakur commented on HDFS-1145:
----------------------------------------

Can somebody pl review this minor patch?

> 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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