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From Allen Wittenauer ...@apache.org>
Subject Re: Dead data nodes during job excution and failed tasks.
Date Thu, 30 Jun 2011 18:46:25 GMT

On Jun 30, 2011, at 10:01 AM, David Ginzburg wrote:

> 
> Hi,
> I am running a certain job which constantly cause dead data nodes (who come back later,
spontaneously ).

	Check your memory usage during the job run.  Chances are good the DataNode is getting swapped
out.
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