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https://issues.apache.org/jira/browse/HADOOP-1185?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tsz Wo (Nicholas), SZE updated HADOOP-1185:
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Attachment: (was: 1185_20071031.patch)
> dynamically change log levels
> -----------------------------
>
> Key: HADOOP-1185
> URL: https://issues.apache.org/jira/browse/HADOOP-1185
> Project: Hadoop
> Issue Type: Improvement
> Components: util
> Affects Versions: 0.16.0
> Reporter: dhruba borthakur
> Assignee: Tsz Wo (Nicholas), SZE
> Fix For: 0.16.0
>
>
> I would like to switch on the debug log level of the namenode (or other
> components) without restarting it. This is needed to analyze a production
> system.
> Can somebody please advice on how to set the loglevel dyncamically on a
> running namenode? I was thinking of enhancing dfsadmin to make an RPC to the
> namenode to set a specified logging level. But the apache common logging APi
> does not export an API to change logging levels.
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