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From "Owen O'Malley" <o...@yahoo-inc.com>
Subject Re: [jira] Commented: (HADOOP-3) Output directories are not cleaned up before the reduces run
Date Fri, 10 Feb 2006 23:44:31 GMT

On Feb 10, 2006, at 10:04 AM, Doug Cutting (JIRA) wrote:

>     [  
> http://issues.apache.org/jira/browse/HADOOP-3? 
> page=comments#action_12365934 ]
>
> Doug Cutting commented on HADOOP-3:
> -----------------------------------
>
> An even safer way to fix this would be to have JobClient throw an  
> exception if the output directory already exists.  That way folks  
> won't inadvertantly overwrite things.

Jira seems to be broken and not taking comments.

What about having a clobber configuration variable  
(mapred.output.clobber?) that defaults to false?

-- Owen


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