> Von: Harsh J [mailto:ha...@cloudera.com]
> Gesendet: Dienstag, 16. August 2011 07:15
> An: mapreduce-user@hadoop.apache.org
> Betreff: Re: Under-replication warnings for Distributed Cache?
>
> On Mon, Aug 15, 2011 at 7:10 PM, Christoph Schmitz
> wrote:
> >
On Mon, Aug 15, 2011 at 7:10 PM, Christoph Schmitz
wrote:
> Still, I have two questions: Shouldn't there be an automatic limit of
> mapred.submit.replication to the number of data nodes? And more generally,
> should I worry about this warning?
1> That'd somehow bind MR to HDFS more tightly. Bes
Hi,
we're running an 8-node Hadoop cluster with CDH2. Recently, our monitoring
tools caught warnings like this one when fsck'ing the HDFS:
/tmp/hadoop-tgp/mapred/system/job_201105191458_1857/job.jar: Under replicated
blk_-6996370258385460742_366223. Target Replicas is 10 but found 8 replica(s)