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From Andrei Savu <savu.and...@gmail.com>
Subject Re: hbase cluster setup works - ssh to machine doesnt
Date Mon, 31 Oct 2011 14:22:39 GMT
Thanks for sharing. I would love to see the test results!

Let me know if you face any problems while testing.

-- Andrei Savu / andreisavu.ro

On Mon, Oct 31, 2011 at 3:15 PM, Christian Schäfer <syrious3000@yahoo.de>wrote:

> Hello Andrei,
>
> mainly I will use whirr to create comparable hbase and cassandra test
> clusters.
>
> On these I will perform some benchmarks to make a afterwards an
> comprehensible decision for a kind of a often called "web of things"
> project
> where a lot of rfid-scan-event need to be stored and processed to monitor
> logistics.
>
> Because there are also some good benchmark papers (like
> http://research.yahoo.com/files/ycsb.pdf)
> I will look closer to HBase and will compare performance of using
> hbase-raw-api with datanucleus-hbase-jpa
>
> If anybody knows further (not too old) benchmark papers concerning hbase
> and cassandra they are welcome :-)
>
> regards
> Christian
>
> P.S. just a kind notice: it would be sufficient if you would let the "mail
> to" only on user@whirr.apache.org as I'm get all mails twice because my
> mail address is additionally in the "mail to"
> ------------------------------
> *Von:* Andrei Savu <savu.andrei@gmail.com>
> *An:* user@whirr.apache.org; Christian Schäfer <syrious3000@yahoo.de>
> *Gesendet:* 12:57 Montag, 31.Oktober 2011
> *Betreff:* Re: hbase cluster setup works - ssh to machine doesnt
>
> Christian -
>
> I'm glad it works for you!
>
> Can you share more about how are you using or planning to use Apache
> Whirr?
>
> Thanks,
>
> -- Andrei Savu
>
> On Mon, Oct 31, 2011 at 1:52 PM, Christian Schäfer <syrious3000@yahoo.de>wrote:
>
> tried b) and it works ...thanks for the help :)
>
>
> ------------------------------
> *Von:* Andrei Savu <savu.andrei@gmail.com>
> *An:* user@whirr.apache.org; Christian Schäfer <syrious3000@yahoo.de>
> *Gesendet:* 12:07 Montag, 31.Oktober 2011
> *Betreff:* Re: hbase cluster setup works - ssh to machine doesnt
>
> Both approaches should have the same end result: a successful ssh login on
> the remote machine.
>
> whirr.cluster-user defaults to the local user running Whirr.
>
> On Mon, Oct 31, 2011 at 1:02 PM, Christian Schäfer <syrious3000@yahoo.de>wrote:
>
> So before I burn another $ for nothing....should I try
>
> a)  ssh-i ~/.ssh/id_rsa ec2-50-17-89-76.compute-1.amazonaws.com
>
> or did you mean
>
> b) define whirr.cluster-user  = myName
> and after cluster launch connect with:
> ssh-i ~/.ssh/id_rsa myName@ec2-50-17-89-76.compute-1.amazonaws.com
>
>
> ?
>
> ------------------------------
> *Von:* Andrei Savu <savu.andrei@gmail.com>
> *An:* user@whirr.apache.org; Christian Schäfer <syrious3000@yahoo.de>
> *Gesendet:* 10:23 Montag, 31.Oktober 2011
> *Betreff:* Re: hbase cluster setup works - ssh to machine doesnt
>
> It is just discard *ubuntu@*host.
>
> whirr.cluster-user  = your local user
>
> -- Andrei Savu
>
> On Mon, Oct 31, 2011 at 11:19 AM, Christian Schäfer <syrious3000@yahoo.de>wrote:
>
> As written in my inital mail I exactly do installl and login as in the
> whirr faq/tutorial
>
> e.g.
>
> hbase-ec2.properties
>
> >whirr.private-key-file=${sys:user.home}/.ssh/id_rsa
> >whirr.public-key-file=${sys:user.home}/.ssh/id_rsa.pub
>
>
> >ssh -i ~/.ssh/id_rsa ubuntu@ec2-204-236-242-13.compute-1.amazonaws.com
>
> the jira is maybe helpful...but when I configure whirr with freshly
> generated rsa key pair it should after install be possible to login with
> the same keys...but isnt :(
> ------------------------------
> *Von:* Andrei Savu <savu.andrei@gmail.com>
> *An:* user@whirr.apache.org; Christian Schäfer <syrious3000@yahoo.de>
> *Gesendet:* 8:49 Montag, 31.Oktober 2011
> *Betreff:* Re: hbase cluster setup works - ssh to machine doesnt
>
> From the FAQ: http://whirr.apache.org/faq.html
>  How do I log in to a node in the cluster?
> On EC2, if you know the node's address you can do:
>
> ssh -i ~/.ssh/id_rsa <whirr.cluster-user>@host
>
> This assumes that you use the default private key; if this is not the case
> then specify the one you used at cluster launch.
> whirr.cluster-user defaults to the name of the local user running Whirr.
> I have also created this new JIRA issue so that we can actually display
> the SSH command in the console:
> https://issues.apache.org/jira/browse/WHIRR-419
> Cheers,
> -- Andrei Savu / andreisavu.ro
>
>
> On Mon, Oct 31, 2011 at 1:22 AM, Christian Schäfer <syrious3000@yahoo.de>wrote:
>
>
> Hi there,
>
> just trying to get my first hbase test cluster of 6 machines working using
> whirr-0.6.0-incubating...
>
>
>
> before cluster launch I generated public/private key
>
> >ssh-keygen -t rsa -P '' -f ~/.ssh/id_rsa
>
> ..and set key files in hbase-ec2.properties as follows
>
> >whirr.private-key-file=${sys:user.home}/.ssh/id_rsa
> >whirr.public-key-file=${sys:user.home}/.ssh/id_rsa.pub
>
>
> After:
> >/whirr-0.6.0-incubating$ bin/whirr launch-cluster --config
> hbase-ec2.properties (prop. copied from recipes to parent dir)
>
> ..cluster setup finished without a problem..
>
>
> But when I try (<user>@<machine> is copied from the aws console after
> choosing "connect" on an  actually running machine ):
> >ssh -i ~/.ssh/id_rsa ubuntu@ec2-204-236-242-13.compute-1.amazonaws.com
>
> ...I get permission denied:
>
> >The authenticity of host 'ec2-204-236-242-13.compute-1.amazonaws.com(204.236.242.13)'
can't be established.
> >RSA key fingerprint is **********************
> >Are you sure you want to continue connecting (yes/no)? yes
> >Warning: Permanently added 'ec2-204-236-242-13.compute-1.amazonaws.com,204.236.242.13'
> (RSA) to the list of known hosts.
> >Permission denied (publickey).
>
>
> Has anybody a clue why that happens?
>
> Another thing I dont understand is that whirr is creating a security group
> (jcloud...) and when I choose "connect" in the aws console it proposes a
> jclouds...pem file  that I dont own and dont know where to get it from
>
>
>
> regards
> Chris
>
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