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Date: Fri, 2 Nov 2007 13:17:51 -0700 (PDT)
From: "Tsz Wo (Nicholas), SZE (JIRA)" <jira@apache.org>
To: hadoop-dev@lucene.apache.org
Subject: [jira] Updated: (HADOOP-1185) dynamically change log levels
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     [ https://issues.apache.org/jira/browse/HADOOP-1185?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

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

    Status: Patch Available  (was: Open)

> dynamically change log levels
> -----------------------------
>
>                 Key: HADOOP-1185
>                 URL: https://issues.apache.org/jira/browse/HADOOP-1185
>             Project: Hadoop
>          Issue Type: Improvement
>          Components: util
>    Affects Versions: 0.16.0
>            Reporter: dhruba borthakur
>            Assignee: Tsz Wo (Nicholas), SZE
>             Fix For: 0.16.0
>
>         Attachments: 1185_20071101.patch
>
>
> I would like to switch on the debug log level of the namenode (or other components) 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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