Ranjith, Are you speaking of DistCp? http://hadoop.apache.org/common/docs/current/distcp.html
An 'fs -copyFromLocal' otherwise just runs as a single program that connects to your DFS nodes and writes data from a single client thread, and is not distributed on its own. On Tue, May 22, 2012 at 6:48 AM, Ranjith <ranjith.raghuna...@gmail.com> wrote: > > I have always wondered about this and and not sure as to phenomenon. When I > fire a map reduce job to copy data over in a distributed fashion I would > expect to see mappers executing the copy. What happens with a copy command > from Hadoop fs? > > Thanks, > Ranjith -- Harsh J
