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From Harsh J <ha...@cloudera.com>
Subject Re: CopyFromLocal
Date Tue, 22 May 2012 02:22:39 GMT

Are you speaking of DistCp?

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.raghunath1@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

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