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Posted to common-dev@hadoop.apache.org by "Hadoop QA (JIRA)" <ji...@apache.org> on 2007/04/04 00:47:32 UTC

[jira] Commented: (HADOOP-1133) Tools to analyze and debug namenode on a production cluster

    [ https://issues.apache.org/jira/browse/HADOOP-1133?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12486523 ] 

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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