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From David Ginzburg <ginz...@hotmail.com>
Subject RE: Dead data nodes during job excution and failed tasks.
Date Thu, 30 Jun 2011 19:36:46 GMT

Is it possible though the server runs with vm.swappiness =5



> Subject: Re: Dead data nodes during job excution and failed tasks.
> From: aw@apache.org
> Date: Thu, 30 Jun 2011 11:46:25 -0700
> To: mapreduce-user@hadoop.apache.org
> 
> 
> 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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