dynamically change dfs log levels
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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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