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Posted to common-dev@hadoop.apache.org by "dhruba borthakur (JIRA)" <ji...@apache.org> on 2007/10/25 07:24:51 UTC

[jira] Assigned: (HADOOP-1185) dynamically change dfs log levels

     [ https://issues.apache.org/jira/browse/HADOOP-1185?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

dhruba borthakur reassigned HADOOP-1185:
----------------------------------------

    Assignee: Tsz Wo (Nicholas), SZE  (was: dhruba borthakur)

> 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
>            Assignee: Tsz Wo (Nicholas), SZE
>         Attachments: 1185_20071024.patch
>
>
> 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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