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From Andrei Savu <savu.and...@gmail.com>
Subject Re: Ubuntu version and EC2 support
Date Wed, 30 Nov 2011 10:22:56 GMT
On Wed, Nov 30, 2011 at 9:19 AM, Periya.Data <periya.data@gmail.com> wrote:

> Hi,
>     I am exploring options to deploy a small hadoop cluster on EC2. I read
> about Whirr and would like to try it out. I have a few questions before I
> dive into this:
>    1. My laptop currently runs Ubuntu 11.10 (Oneiric Ocelot). I am
>    running Hadoop 0.20.2+923.142 - CDH3u2 on my laptop. Is there a compatible
>    Whirr for this Hadoop release? I read this:
>    http://ashenfad.blogspot.com/2011/01/hadoop-cluster-on-ec2-using-cloudera.html.
That should be fine. You can get the latest Whirr release from here:

To start a CDH3u2 Hadoop cluster customise recipes/hadoop-cdh.properties as
needed. Make sure you uncomment the following lines:

# Uncomment out these lines to run CDH

>    1. Is it really necessary to have the same Hadoop version running on
>    my laptop as what the Whirr instance is using?
Nope. You can use the cluster by ssh-ing into the remote nodes with no
extra software on your local machine.

>    1. Is there an example whirr config file that shows how to create an
>    EC-2 instance with Hadoop 20.2, Hive, Sqoop and Flume? I guess I can
>    configure Whirr to download and install all the latest hadoop ecosysem
>    tools and then create a custom AMI out of that first instance.
> We don't support Hive, Sqoop and Flume as Whirr services yet. Having a
custom AMI is not really that useful for Whirr - the scripts are designed
to work with a vanilla OS install.

> Please let me know the caveats and other fine points I need to know to use
> all the latest packages and Whirr. What should I keep in mind while I begin
> to use Whirr?
Before doing more advanced things I recommend that you should take a quick
look at the following doc pages:

* http://whirr.apache.org/docs/0.6.0/whirr-in-5-minutes.html
* http://whirr.apache.org/docs/0.6.0/quick-start-guide.html
* http://whirr.apache.org/docs/0.6.0/configuration-guide.html
* http://www.oscon.com/oscon2011/public/schedule/detail/19214

Also the following Github repos could be interesting for you:

* https://github.com/tomwhite/whirr-service-example (experimental support
for flume)
* https://github.com/tomwhite/whirr-scm (adds the ability to use Cloudera
SCM to setup the cluster)

> many thanks,
> PD/
Feel free to asks any questions. We can assist you as needed.


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