It isn't the NN that does the SSH technically, its the scripts we ship
for an easier start/stop:
http://wiki.apache.org/hadoop/FAQ#Does_Hadoop_require_SSH.3F
So wherever you launch the script, the SSH may happen from that point.
On Wed, Feb 6, 2013 at 4:36 AM, Jay Vyas wrote:
> When setting up p
The JobTracker will also SSH in to start TaskTracker's.
So basically, the masters need SSH to any slave(s) you define. The slave
nodes (DN, TT) do not need SSH to each other.
On Tue, Feb 5, 2013 at 5:06 PM, Jay Vyas wrote:
> When setting up passwordless ssh on a cluster, its clear that the na