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From Konstantin Boudnik <>
Subject Re: Starting Hadoop in Distributed Mode
Date Tue, 22 Jul 2014 16:04:25 GMT
On July 22, 2014 6:08:11 AM PDT, jay vyas <> wrote:
>No prob  cos.
>Now I'm getting curious : What is our take on passwordless SSH for
>hadoop distro ?
>I never set up passwordless ssh in bigtop that i remember (but maybe im
>I think that puppet apply on each slave is sufficient for a cluster,
>because it starts the slaves for you and connects them to the master -
>without need of master ssh'ing anyhwere.

Yup. Hadoop nor bigtop relies on password-less SSH. Except when you need to
configure HA in which case, puppet needs to SSH between primary and standby


>On Tue, Jul 22, 2014 at 12:20 AM, Konstantin Boudnik <>
>> Well done - thank you very much Jay!
>> Cos
>> On Mon, Jul 21, 2014 at 10:52PM, jay vyas wrote:
>> > Okay ! Here you go.
>> >
>> >
>> >
>> > I got it working from scratch in very short order.  I think you've
>> and
>> > done some manual stuff unnecessarily.
>> >
>> > Use puppet, its good for your health :)



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