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From "Tsz Wo (Nicholas), SZE (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-1185) dynamically change dfs log levels
Date Wed, 31 Oct 2007 22:24:50 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_20071031.patch

1185_20071031.patch: using Java 5 now and added a junit test.

Nigel, you idea of the junit test is great, thanks!

> 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_20071031.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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