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https://issues.apache.org/jira/browse/HADOOP-1185?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12488430
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dhruba borthakur commented on HADOOP-1185:
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The apache common logging API does not let me set logging levels. Can somebody
please suggest how I can get to the underlying log4j object?
> dynamically change dfs log levels
> ---------------------------------
>
> Key: HADOOP-1185
> URL: https://issues.apache.org/jira/browse/HADOOP-1185
> Project: Hadoop
> Issue Type: Improvement
> Components: dfs
> Reporter: dhruba borthakur
> Assigned To: dhruba borthakur
>
> I would like to switch on the debug log level of the namenode 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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