While it does mean a retry, if the job eventually fails (after finite retries all fail as well), then you have a problem to investigate. If the job eventually succeeded, then this may have been a transient issue. Worth investigating either way.
On Thu, Mar 20, 2014 at 12:57 AM, Mahmood Naderan <nt_mahm...@yahoo.com> wrote: > Hi > In the middle of a map-reduce job I get > > map 20% reduce 6% > ... > The reduce copier failed > .... > map 20% reduce 0% > map 20% reduce 1% > map 20% reduce 2% > map 20% reduce 3% > > > Does that imply a *retry* process? Or I have to be worried about that > message? > > Regards, > Mahmood -- Harsh J