> 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 > <christoph.schm...@1und1.de> 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. Besides, your HDFS > won't attack busy nodes for job jar writes/etc forms of replication. > if they report themselves as busy (loaded) or unavailable. The idea > sounds good though, please file a JIRA for this?
Ok, will do! Thank for the help, Christoph