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From "Allen Wittenauer (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-1605) Automatic namenode restart when it encounters an error situation
Date Wed, 19 Sep 2007 22:36:12 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-1605?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12528940
] 

Allen Wittenauer commented on HADOOP-1605:
------------------------------------------

I'm with Koji:  I want to be able to disable this so that I can use SMF, launchd, daemontools,
etc, etc, etc. instead.  Otherwise I'm left with daemontools -> watcher -> namenode,
which is overly complex.  I'd much rather use daemontools -> namenode.




> Automatic namenode restart when it encounters an error situation
> ----------------------------------------------------------------
>
>                 Key: HADOOP-1605
>                 URL: https://issues.apache.org/jira/browse/HADOOP-1605
>             Project: Hadoop
>          Issue Type: Improvement
>          Components: dfs
>            Reporter: dhruba borthakur
>            Assignee: dhruba borthakur
>             Fix For: 0.15.0
>
>         Attachments: namenodeRestart4.patch, watcher.patch
>
>
> The namenode dies when it encounters an unexpected Runtime Exception. Instead, it can
catch exceptions, clears up all its internal data structures and restarts. This was attempted
in HADOOP-1486 earlier.

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