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From "Colin Patrick McCabe (Resolved) (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (HDFS-2971) some improvements to the manual NN metadata recovery tools
Date Thu, 23 Feb 2012 19:34:48 GMT

     [ https://issues.apache.org/jira/browse/HDFS-2971?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Colin Patrick McCabe resolved HDFS-2971.
----------------------------------------

    Resolution: Won't Fix

See previous comment.
                
> some improvements to the manual NN metadata recovery tools
> ----------------------------------------------------------
>
>                 Key: HDFS-2971
>                 URL: https://issues.apache.org/jira/browse/HDFS-2971
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: libhdfs
>    Affects Versions: 1.1.0
>            Reporter: Colin Patrick McCabe
>            Assignee: Colin Patrick McCabe
>         Attachments: 2012-02-17_0001-OEV-enhancements-pt.-2.patch, HDFS-2971__print_highest_generation_stamp.txt
>
>
> Some improvements to the manual NN metadata recovery tools.
> Specifically, we want the Offline Edit Viewer (oev) tool to prints out the highest generation
stamp that was encountered when processing the edit log.
> We also want OEV to look for large gaps in the generation stamp, as these can indicate
corruption.  The minimum gap to look for should be configurable with -G or --genStampGap.

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