Neither of those. We stream data directly over a TCP network socket. Please read http://wiki.apache.org/hadoop/FAQ#Does_Hadoop_require_SSH.3F regarding your SSH confusion.
On Mon, Nov 11, 2013 at 10:21 AM, rab ra <[email protected]> wrote: > Hello > > I have a question. To transfer the files to datanodes what protocol hadoop > uses? SSH or http or https -- Harsh J
