Is it possible though the server runs with vm.swappiness =5
> Subject: Re: Dead data nodes during job excution and failed tasks.
> From: a...@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.
