So, why it is necessary to configure ssh in Hadoop MR?

On 13 February 2013 12:58, Harsh J <[email protected]> wrote:

> Hi,
>
> Nodes in Hadoop do not communicate using SSH. See
> http://wiki.apache.org/hadoop/FAQ#Does_Hadoop_require_SSH.3F
>
> On Wed, Feb 13, 2013 at 5:16 PM, Pedro Sá da Costa <[email protected]>
> wrote:
> > I'm trying to configure ssh for the Hadoop mapreduce, but my nodes only
> > communicate with each others using RSA keys in pem format.
> >
> > (It doesn't work)
> > ssh user@host
> > Permission denied (publickey).
> >
> > (It works)
> > ssh -i ~/key.pem user@host
> >
> > The nodes in mapreduce communicate using ssh. How I configure the ssh, or
> > the mapreduce to work with the pem file.
> >
> >
> > --
> > Best regards,
> > P
>
>
>
> --
> Harsh J
>



-- 
Best regards,

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