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<[email protected]> 於 2019年1月5日 週六 上午2:14寫道： > > > -----Original Message----- > From: Jay Vyas <[email protected]> > Sent: Friday, January 4, 2019 08:53 AM > To: [email protected] > Cc: [email protected] > Subject: Re: Starting Hadoop in Distributed Mode > > Hey free to chat ? > > > On Jul 22, 2014, at 12:04 PM, Konstantin Boudnik <[email protected]> wrote: > > > >> On July 22, 2014 6:08:11 AM PDT, jay vyas <[email protected]> > wrote: > >> No prob cos. > >> Y > >> Now I'm getting curious : What is our take on passwordless SSH for > >> bigtop hadoop distro ? > >> > >> I never set up passwordless ssh in bigtop that i remember (but maybe > >> im forgetting). > >> > >> 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 NNs. > > > > Cos > > > >> On Tue, Jul 22, 2014 at 12:20 AM, Konstantin Boudnik <[email protected]> > >> wrote: > >> > >>> Well done - thank you very much Jay! > >>> > >>> Cos > >>> > >>>> On Mon, Jul 21, 2014 at 10:52PM, jay vyas wrote: > >>>> Okay ! Here you go. > >>>> > >>>> > >>> > >> https://cwiki.apache.org/confluence/display/BIGTOP/How+to+install+Big > >> Top+0.7.0+hadoop+on+CentOS+with+puppet > >>>> > >>>> I got it working from scratch in very short order. I think you've > >> gone > >>> and > >>>> done some manual stuff unnecessarily. > >>>> > >>>> Use puppet, its good for your health :) > >>> > > > > -- > > Regards, > > Cos > > > > -- > > > > > > Listed on the London Stock Exchange: WAND > > <http://www.bloomberg.com/quote/WAND:LN> > > > > THIS MESSAGE AND ANY ATTACHMENTS ARE CONFIDENTIAL, PROPRIETARY, AND > > MAY BE PRIVILEGED. If this message was misdirected, WANdisco, Inc. > > and its subsidiaries, ("WANdisco") does not waive any confidentiality or > privilege. > > If you are not the intended recipient, please notify us immediately > > and destroy the message without disclosing its contents to anyone. > > Any distribution, use or copying of this e-mail or the information it > > contains by other than an intended recipient is unauthorized. The > > views and opinions expressed in this e-mail message are the author's > > own and may not reflect the views and opinions of WANdisco, unless the > > author is authorized by WANdisco to express such views or opinions on > > its behalf. All email sent to or from this address is subject to > > electronic storage and review by WANdisco. Although WANdisco operates > > anti-virus programs, it does not accept responsibility for any damage > > whatsoever caused by viruses being passed. > >
