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https://issues.apache.org/jira/browse/HADOOP-1133?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12486523
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Hadoop QA commented on HADOOP-1133:
-----------------------------------
+1, because
http://issues.apache.org/jira/secure/attachment/12354889/metasave3.patch
applied and successfully tested against trunk revision
http://svn.apache.org/repos/asf/lucene/hadoop/trunk/525290. Results are at
http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Patch
> Tools to analyze and debug namenode on a production cluster
> -----------------------------------------------------------
>
> Key: HADOOP-1133
> URL: https://issues.apache.org/jira/browse/HADOOP-1133
> Project: Hadoop
> Issue Type: Improvement
> Components: dfs
> Reporter: dhruba borthakur
> Assigned To: dhruba borthakur
> Attachments: metasave3.patch
>
>
> I would like to have a tool that dumps namenode data structures to a log
> file. This is especially useful in debugging a production cluster where
> attaching a debugger to the namenode is not a feasible option.
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