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From "Tsz Wo (Nicholas), SZE (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-1185) dynamically change dfs log levels
Date Thu, 25 Oct 2007 00:36:51 GMT

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

Tsz Wo (Nicholas), SZE updated HADOOP-1185:

    Attachment: 1185_20071024.patch

1185_20071024.patch provides a web page (logLevel.jsp) to change log level in runtime.  I
copy the file to all jsp directories (i.e. src/webapps/dfs, src/webapps/job, etc).  Is there
a better way?

> 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: dhruba borthakur
>         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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