Hi Christian, I'm not sure the exact code path, but HDFS, not MapReduce, is in charge of getting the bytes from the remote node.
-Sandy On Mon, Jun 23, 2014 at 1:57 AM, Christian Grote < cgr...@mail.uni-paderborn.de> wrote: > Hey, > > I'm looking for the place where the actual map input is transfered to the > 'map worker'/container (in case it's assigned to a host that doesn't have > the data already). > > Something similar to the copyFromHost(..) method in Fetcher.java > (org.apache.hadoop.mapreduce.task.reduce), where the map output is > transfered. > > > Best Regards, > Christian Grote > > > > > > > >
