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From Nigel Daley <nda...@yahoo-inc.com>
Subject Re: [jira] Commented: (HADOOP-1185) dynamically change dfs log levels
Date Tue, 30 Oct 2007 03:03:51 GMT
It shouldn't be very hard to add a test for this new feature.

On Oct 29, 2007, at 6:31 PM, Raghu Angadi (JIRA) wrote:

>
>     [ https://issues.apache.org/jira/browse/HADOOP-1185? 
> page=com.atlassian.jira.plugin.system.issuetabpanels:comment- 
> tabpanel#action_12538645 ]
>
> Raghu Angadi commented on HADOOP-1185:
> --------------------------------------
>
> Looks good.
>
> The code sets <form action> to request url that server sees. This  
> won't work if the server is behind a (server side) proxy. You can  
> just remove 'action' attribute and the browser defaults to current  
> url (that browser sees, which is what you really want).
>
>
>> 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_20071029b.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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