Nope, currently we don't do any smart scheduling for reduces since they need to fetch map outputs from many nodes anyway.
Arun On Aug 4, 2011, at 10:24 PM, Suhendry Effendy wrote: > I understand that we can decide which task run by which reducer in Hadoop by > using custom partitioner, but is there anyway to decide which reducer run on > which machine? > > > Suhendry Effendy
