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From "dhruba borthakur (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-1605) Automatic namenode restart when it encounters an error situation
Date Tue, 24 Jul 2007 09:04:31 GMT

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

dhruba borthakur updated HADOOP-1605:
-------------------------------------

    Attachment: namenodeRestart3.patch

I would like to get some early comments on the changes I have made to the Namenode to support
restarting within the same JVM. There are still some debugging prints that will go away in
the final submission.

> 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: namenodeRestart3.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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